Australia's superannuation system creates a unique retirement planning constraint: the majority of compulsory savings are inaccessible until preservation age (typically 60-67). For someone wanting to retire at 45, or 50, or even 55, this creates a planning challenge that doesn't exist in countries without similar systems.
The "bridge" is a concept that describes using accessible wealth to fund living expenses during the years between retirement and super access. It's not a specific strategy or product—it's a framework for thinking about multi-phase retirement: first, live off non-super assets; later, transition to drawing from super.
Why Superannuation Preservation Matters to Early Retirees
Imagine someone with $2 million total wealth: $1.2 million in super, $0.8 million in accessible assets (stocks, property equity, cash). If preservation age is 60, they cannot access that $1.2 million until then. For early retirement, only the $0.8 million is available to fund spending. This explains why early retirement requires a different calculation than traditional retirement.
Preservation age varies by date of birth, but for most people born after 1954, it's 60. Some have later preservation ages (up to 67). Checking your personal preservation age in MySuper is essential for accurate planning.
What Counts as "Accessible" Wealth?
Accessible wealth for early retirement purposes includes:
- Cash and savings accounts (fully liquid)
- Shares and ETFs (liquid but with trading costs and tax implications)
- Investment property (accessible via sale or refinancing, but slower)
- Non-concessional super contributions (under specific release conditions)
- Anything outside your locked superannuation
It does NOT include:
- Locked superannuation (before preservation age)
- Assets you're not willing to convert to living expenses (family home if you plan to keep it)
The distinction matters because people sometimes miscount wealth, including assets that aren't actually accessible.
The Three Phases of Bridge Retirement
Understanding bridge retirement as three phases helps clarify planning:
Phase 1: Accumulation (Today Until Retirement)
You're building wealth. Some goes into super (with favorable tax treatment), some into accessible assets. The balance between these matters. If you focus all savings into super, you'll be asset-rich but cash-poor until preservation age. If you focus all savings outside super, you miss tax benefits.
Phase 2: Bridge (Retirement Until Super Access)
You stop working. You live off accessible assets. Super remains locked and (ideally) growing untouched. The bridge period is the riskiest time: you're withdrawing from a portfolio while unable to add new income, and market volatility has direct lifestyle impact.
Phase 3: Super-Powered (Super Access Onward)
At preservation age, super becomes accessible. You transition to drawing from super, potentially reducing pressure on accessible assets. For many early retirees, super is modeled as a "backup" that provides security in later retirement.
Modeling the Bridge: A Worked Example
Consider Alex, age 35, considering early retirement by 50. Preservation age is 60.
Current wealth: $200,000 accessible, $150,000 super. Target retirement age: 50. Bridge period: 10 years. Annual spending in retirement: $80,000.
Minimum bridge needed: $80,000 × 10 = $800,000. But this assumes 0% returns and 0% inflation, which is unrealistic. A buffer for returns volatility and inflation is essential. Add 30-40%: $1.04M minimum accessible wealth needed by age 50.
At age 50, Alex would also want super to have grown. If super returns 7% annually for 15 years, the $150,000 becomes ~$411,000. By age 60, if accessible assets remain at $1M (after bridge withdrawals), Alex has ~$1.4M at super access. That supports retirement.
But notice the fragility: if markets drop and accessible assets shrink faster than expected, or if spending is higher than budgeted, the bridge becomes stressed. This is why many modelers include a cash buffer (2-3 years of expenses) to avoid being forced to sell in downturns.
The Bridge Asset Allocation Question
How should bridge assets be allocated? This is debated among planners. Some argue for conservative (40/60 stocks/bonds) to minimize volatility during the critical withdrawal years. Others suggest 60/40 to maintain growth, with a separate cash buffer for near-term expenses. The right answer depends on risk tolerance, bridge length, and personal circumstances.
A common approach: hold 2-3 years of expenses in cash, allocate the rest 60/40. This provides a volatility buffer without sacrificing growth.
Withdrawal Strategy During the Bridge
Once in retirement, how should you withdraw from bridge assets? This matters more than asset allocation. Some approaches:
Systematic rebalancing: maintain a target allocation (60/40) by rebalancing annually. In bull markets, you sell winners; in bear markets, you sell bonds. This automates counter-cyclical selling.
Dynamic withdrawals: adjust spending based on portfolio performance. Good years = spend more; bad years = spend less. This requires flexibility but maximizes flexibility in your spending.
Fixed with buffer: withdraw a fixed amount but draw from the cash buffer in bad years, replenishing from gains in good years.
The worst approach: withdrawing blindly from a declining portfolio without strategy. This accelerates depletion and can force you back to work.