Back to the blog
Australian Rules

Bridge to Super: How to Fund the Gap Before Preservation Age

Retiring before 60 in Australia means funding a bridge until super unlocks. Three strategies, one trap, and the sizing rule that makes it possible.

ProjectFi Team··12 min read
Minimalist illustration of a long wooden pier extending across calm turquoise water toward a warm golden horizon, evoking the bridge between early retirement and super preservation age.

You are 52. You have $800,000 in super and $300,000 in shares, ETFs, and cash outside super. You want to stop working. The spreadsheet says your total nest egg is enough to fund the retirement you have in mind. But your super is locked away until 60. So what do you actually live on for the next eight years?

This is the bridge problem, and it is the single most underrated planning question in Australian early retirement. It does not exist in the US, where 401(k) rules and IRAs work very differently. It does not exist in the UK, where SIPP access starts at 55. It is a uniquely Australian gap, and if you are aiming to retire before 60, you will hit it.

The short version

Preservation age is 60 for almost everyone planning FIRE today. The gap between when you stop working and when you can touch super is the bridge. You cover it one of three ways: draw down non-super wealth, replace income via part-time work, or shorten the gap by delaying retirement. Most real plans combine two of these. A fourth approach (pre-funding super to use as the bridge) does not work and is a common trap worth naming.

Why the bridge exists

Australian superannuation is preservation-based. Every dollar that goes in (employer contributions, salary sacrifice, personal contributions, earnings) is locked away until you meet a condition of release. The most common condition is turning your preservation age and having retired. For anyone born on or after 1 July 1964, preservation age is 60. If you were born earlier there is a sliding scale (59 for 1963-64, 58 for 1962-63, and so on), but in practice almost every FIRE planner reading this post will hit 60.

The policy logic is that super exists to fund retirement, not earlier life phases. The tax concessions that make super such a good accumulation vehicle (15% tax on contributions and earnings, 0% in pension phase) come bolted to the preservation rule. You cannot have the concessions without accepting preservation. The two are a package.

For a retiree at the traditional Age Pension age of 67, there is no bridge problem. Super unlocks years earlier at 60 and can sit untouched until needed. For an early retiree at 52, 55, or 58, there is a gap of years where super is useless to you even though the money is yours.

Two footnote cases apply only after preservation age. Between 60 and 65, if you are still working, a Transition to Retirement Income Stream (TRIS) can unlock partial super income. From 65 onward, super is fully accessible regardless of whether you have retired. Neither helps the person retiring at 52. They only matter once you are already past 60, and they are covered in a separate post on preservation age.

How big is the gap, really?

Take six common FIRE target ages and see what a bridge costs at a $70,000 per year household spend (today's dollars). Scale up or down to your own spend.

Retirement ageYears bridging superUpper bound (no returns)Working estimate (5% real)
3525~$1.75m~$1.0m
4020~$1.4m~$880k
4515~$1.05m~$730k
5010~$700k~$540k
555~$350k~$305k
582~$140k~$135k

Two numbers because your bridge pot keeps earning while you draw from it. The left column is the blunt mental anchor: years × annual spend, assuming the pot sits in zero-interest cash. The right column is the present-value calculation at a 5% real return on a diversified bridge portfolio, which is a more realistic working target. For a 25-year bridge the difference is almost a million dollars; for a 2-year bridge the difference is a rounding error. The longer the bridge, the more compounding does for you.

The 5% real assumption is a planning average, not a guarantee. Actual returns will be lumpy and sequence matters: a bad market in the first few bridge years drains the pot faster than the same bad market later. Building in a 10-20% buffer on top of the working estimate, or keeping the first year or two of spend in cash, is how most real plans handle this.

The return assumption is the single biggest dial in this calculation, and it matters more the longer the bridge. Here is how the target capital moves when you slide the assumption between a conservative 3% real, the baseline 5%, and a bullish 7% real, all at $70k/yr spend:

Bridge3% real5% real7% real
25 years (retire at 35)~$1.22m~$1.0m~$820k
15 years (retire at 45)~$836k~$730k~$638k
5 years (retire at 55)~$321k~$305k~$287k

For a 25-year bridge, every 1% change in assumed real return moves the target by roughly $100k. For a 5-year bridge, the same 1% change moves it by about $8k. This is why the precision of the return assumption matters enormously for someone retiring at 35 and barely at all for someone retiring at 58. If you are using this table to back-plan your own target, think hard about which column you want to anchor on. A plan that looks clean at 7% real can look very tight at 3% real when the same 25 years unfold.

Two observations worth holding onto. First, the closer you retire to 60, the smaller the bridge and the easier the maths. That is why so many Australian FIRE plans end up targeting the late 50s rather than the early 50s, even when the spreadsheet technically allows earlier. Second, for someone aiming to stop at 35 or 40, the bridge is essentially the whole retirement pot. Super sits in the background as a future tailwind, but it is not helping you cover rent in year one. FIRE-at-35 is really a bridge-funding problem with a modest super bonus waiting 25 years out.

Three strategies to cover the bridge

Real Australian early-retirement plans use one or more of the three approaches below. They are not mutually exclusive, and combining two is the norm.

Strategy 1: draw down non-super wealth

The default. Build up enough outside super (ETFs, shares, managed funds, cash reserves) to fund the gap, and draw it down year by year until preservation age. Super continues to grow untouched during the bridge, then takes over.

What it looks like: retire at 52 with $400,000 in ETFs and a $50,000 cash buffer. Draw roughly $50,000 a year (inflation adjusted) for 8 years. Super grows from $800,000 at 52 to roughly $1.3 million at 60 with no further contributions at a 6% real return. At 60 the super pot takes over and funds the rest of retirement.

Who it fits: people who have built a meaningful non-super portfolio, want a clean single-moving-part plan, and accept that the riskiest drawdown years are funded from their more tax-exposed pot.

Where it breaks: capital-gains tax on drawdown can be meaningful, especially in year one when you realise accumulated gains. And non-super is bearing exactly the sequence-of-returns risk that hurts most: the first 5 to 10 years of retirement. A poorly timed market drop in the early bridge years does real damage because you are selling into weakness. A cash buffer of 1 to 2 years of spend inside the non-super pool is how most plans mitigate this.

Strategy 2: keep a part-time or semi-retired income

Instead of fully retiring at 52, drop to 2 or 3 days a week. A part-time income covers, say, 60% of your living expenses, and the non-super portfolio covers the other 40%. When you hit 60, you can stop working entirely if you want to, or keep going on your own terms.

This is sometimes called the barista FIREapproach. It works particularly well in Australia because the low-tax thresholds (the tax-free threshold at $18,200 plus the Low Income Tax Offset) mean the first $25,000 or so of part- time income pays almost nothing in tax. Two partners each earning $25,000 part-time cover $50,000 of household spend with very little tax drag.

What it looks like: a software engineer on $180,000 at 52 drops to 2 days a week for the next 6 years at roughly $75,000. Between that income and modest non-super drawdowns, they cover their $70,000 household spend without touching super. Super keeps growing. At 58, they stop entirely.

Who it fits: people who don't hate their work but want out of full-time intensity, or who want to test retirement with an income safety net. It is the single most common real-world shape of Australian early retirement, because it materially shrinks the non-super pot you need to accumulate before stopping.

Where it breaks: you have to actually want to keep working part-time, and be able to find work at the intensity you want. For some people that is a feature; for others it defeats the point. And if the plan leans heavily on part-time income and you can't find work (or health changes), the backup plan has to be real money, not a hope.

Strategy 3: delay retirement to 60

The simplest approach, and often the right answer. If your plan technically works at 55 but is tight, pushing to 60 eliminates the bridge problem entirely. Super unlocks the day you stop working. There is no gap to engineer.

What it looks like: retire the day you turn 60 (or a few years later), start an account-based pension from super immediately, and leave any non-super savings for later or for lumpy expenses. No bridge.

Who it fits: people whose plan at 55 is marginal, who value plan robustness over earliness, or who are happy enough at work that the extra years are low cost. It is also the implicit answer for anyone starting accumulation later (mid-40s or later) where there is simply not enough runway to build a big enough non-super pot for an early bridge.

Where it breaks: you are, by definition, not retiring early. For someone who specifically wants to stop at 52 because of burnout, family, or a project outside work, “just work eight more years” is not an answer. This strategy is on the list so it gets compared to the others honestly, rather than dismissed by default.

The one thing that breaks bridge plans: the pot split

Before working through the three strategies against your own numbers, one allocation rule matters more than any of them. How you split savings between super and non-super during the pre-retirement years determines whether any bridge plan is even possible.

The trap: high-earning FIRE planners often max concessional contributions every year (the $30,000 cap for FY2025-26), attracted by the 15% tax rate on contributions vs their 37% or 45% marginal rate. Over a 10-year accumulation run, that builds a very large super balance and a small non-super one. Arriving at 55 with $900,000 in super and $150,000 outside is a low-tax picture on paper, and a frozen one in practice: the money you actually need for the bridge is locked away for five more years.

The corrective framing: size the non-super pot to the bridge first, then route the excess into super. For a planned retirement at 55 with $70,000 spend, that means targeting roughly $350,000 outside super before maxing concessional contributions. Once the bridge target is on track, every further dollar of savings belongs in super, which compounds at 15% tax during accumulation and takes over funding from 60 onward. Super is the long-term pot. Non-super is the bridge pot. Get the two sized right and the bridge is solvable.

This is why the pattern of “pre-fund your bridge inside super” doesn't work as a strategy. Super cannot fund the bridge by definition, because the bridge is the years before super is accessible. Any plan that solves the bridge by putting more into super is solving the wrong problem.

A worked example

Consider a couple, both aged 50, with:

  • Combined salary: $230,000
  • Combined super: $650,000
  • Non-super savings: $250,000
  • Target retirement age: 55
  • Target annual spend in retirement: $85,000

Their bridge is 5 years long, which means they need roughly 5 × $85,000 = $425,000 (in real terms) to cover the gap between 55 and 60. Today they have $250,000 outside super. The gap in the gap, so to speak, is $175,000.

The bridgeRetire at 55Super unlocks at 60$0k$250k$500k$750k$1.0M$1.3M505560657075
Super (locked until 60, then drawn down)Non-super (funds the bridge)Bridge years
Illustrative baton pass for the worked-example couple. Both 50 today, combined super $650k, non-super $250k, retiring at 55 with $85k/yr household spend. Strategy 1 (pre-fund non-super) grows the non-super pot to $450k by 55, then draws it down through the bridge years while super compounds untouched. At 60 super takes over as the primary income source. Numbers assume a 6% real long-run return for illustration; they are not a simulation of your own plan.

The chart above traces Strategy 1 for this couple. From 50 to 55 both pots grow: super on employer SG and returns, non-super on redirected savings, ending at about $990k in super and $450k outside. At 55 they retire. For the next five years (the shaded bridge zone) super is untouched and compounds from $990k toward $1.33m, while non-super is drawn down to fund the $85k/yr household spend and finishes close to zero at 60. From 60 onward super takes over as the primary drawdown source. The baton passes cleanly if the non-super pot was sized correctly.

The three strategies play out like this.

StrategyWhat changes in the 5 years before 55What the bridge looks like
1. Pre-fund non-superReduce concessional contributions and redirect the freed cashflow into ETFs to grow the non-super pool from $250k to ~$450k by 55.Draw down $85k/yr × 5 years, exhausting non-super right as super unlocks. Sequence risk in years 1-3 is real and worth planning a 1-year cash buffer against.
2. Part-time income bridgeSave normally, keep $250k outside, plan to each work 2 days a week from 55 to 60 earning roughly $55k combined.Part-time income covers about 65% of spend. Non-super tops up the rest. The pot finishes the bridge mostly intact and adds a cushion on the super side.
3. Delay to 60Keep working normally, no bridge to engineer.No bridge. Super unlocks on day one of retirement. Likely finishes with the highest lifetime net worth of any option.

There is no single winner. Strategy 1 maximises the retire-at-55 outcome but carries the most sequence risk. Strategy 2 is the most robust if part-time work is realistic. Strategy 3 is the safest, and also the one that concedes the FIRE goal.

The point of laying them out side by side is not to pick one. It is to show what you are actually choosing between. You are trading off earliness, robustness, and lifetime net worth, and you cannot get all three at once.

Other levers you may see mentioned

Beyond the three core strategies, a few other tools come up in FIRE conversations. None of them replace the core plan; they adjust the edges.

  • Dividend and distribution income: a non-super portfolio tilted toward ASX dividend stocks or LICs can produce 4 to 5% gross yield, with franking credits meaningfully lifting after-tax yield for lower-income retirees. This is not a separate bridge source; it is a way to fund part of the bridge from portfolio yield rather than principal. Same money, less drawdown.
  • Investment property rental income: if you already hold rental property, the net rental yield can cover a slice of the bridge spend. If you are considering buying specifically to fund a bridge, weigh the concentrated risk (one or two properties, vacancy, interest rates, landlord work) against a diversified share portfolio producing similar yield. Property sometimes solves the bridge; sometimes it complicates it.
  • Downsizer contribution: the downsizer rule lets people 55+ contribute up to $300,000 per person from the sale of a qualifying home into super, outside the normal caps. It is a way to move money into super, not out. If you sell the family home at 58 and contribute the maximum, the balance goes straight into super and is still locked until you meet a condition of release. The non-super residue from the sale can help the bridge; the part that went into super cannot.
  • Inheritance or windfall: for some households, an expected inheritance in the 50-to-60 window materially reshapes the bridge. Planning a FIRE date around an inheritance carries obvious risk, but acknowledging it in the plan (rather than leaving it invisible) is honest.
  • Financial hardship early release: appears in search results but does not apply here. The hardship rules release small amounts (typically capped at $10,000) for people on Commonwealth income support who cannot meet reasonable living expenses. They are for genuine hardship, not FIRE planning.

The hidden variable: contributions stop when you do

One detail that catches people out: once you stop earning, you stop getting employer SG contributions. If you retire at 52 and plan to let super grow untouched until 60, the super balance at 60 depends entirely on investment returns, not on any further contributions.

You can still make voluntary contributions while unemployed (up to the caps), and many early retirees do this with remaining non-super cashflow. But the employer SG stream disappears the day you leave. For a high earner whose SG was putting $25,000 to $30,000 a year into super, that is a real number to model.

Plans that assume super keeps growing at “the employer rate” during the bridge are wrong. In retirement, super grows at the market return on the existing balance, nothing more. If you are modelling this yourself, make sure your FIRE calculator correctly stops contributions on your retirement date rather than assuming them continuing to 60.

Try it yourself

Model your own bridge

ProjectFi's engine models all three bridge strategies against your actual numbers, including Australian tax, preservation age, the specific condition-of-release rules, and the post-60 pension-phase transition. Pick the strategy that matches how much risk you want to carry and see the end-state net worth for each.

Run the numbers

A rough rule of thumb

If you are more than 10 years from preservation age, the bridge dominates the plan. Plan the non-super pot first, then back-fill the long-term super picture around it.

If you are 5 to 10 years out, you have genuine optionality. All three strategies are worth modelling, and the answer for you will depend on your tolerance for sequence risk, your appetite for part-time work, and how lumpy your remaining earnings are.

If you are less than 5 years out, the bridge is small enough that pre-funding non-super savings is usually enough. The interesting planning question shifts from “how do I cross the bridge” to “how do I manage the tax on the drawdown.”

Whatever the distance, the methodology page walks through how ProjectFi models each of the three strategies, and the James and Priya story shows one specific couple working through it in detail.

The bottom line

The bridge is not a problem to avoid. It is the structure of Australian early retirement. Plan for it, price it honestly, and pick a combination of the three strategies that matches your life rather than the one that looks cleanest on paper. Size your non-super pot to the bridge before maxing super, and most of the hard parts take care of themselves.

Model your own plan in two minutes.

ProjectFi handles Australian tax, super preservation, and Age Pension so your FIRE number reflects reality, not a US-centric calculator.