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The Social Security Bridge: Why Spending Your 401(k) First is the Smartest Move

Dec 12, 2025 Code Authority: Team BMT

The Social Security Bridge: Why Spending Your 401(k) First is the Smartest Move

COACHING POINTS

  • The Instinct Trap: Most retirees claim Social Security early (age 62) to “preserve” their investment portfolio. This is mathematically backward. You are protecting a volatile asset (stocks) while sacrificing a guaranteed asset (Social Security).
  • The 8% Guarantee: For every year you delay claiming Social Security past your Full Retirement Age (FRA), your benefit increases by 8% guaranteed (plus inflation adjustments). No stock bond in the world offers a risk-free, inflation-protected 8% yield.
  • The Strategy: Use your 401(k)/IRA cash to pay for living expenses from age 62 to 70 (The Bridge). This allows your Social Security benefit to max out. Essentially, you are spending your own money to buy a larger government pension for life.

Retirement is the only time in life where “spending down your savings” creates wealth.
The Social Security Bridge strategy flips conventional wisdom on its head.
Instead of hoarding your nest egg, you aggressively deplete it in your 60s to secure a “Super-Sized” check from Uncle Sam in your 70s, 80s, and 90s.
Source: Social Security Administration (Delayed Retirement Credits)

The “Longevity Insurance” Math

Scenario: PIA (Primary Insurance Amount) at age 67 is $3,000/month.

  • Claim at 62 (Early): Benefit reduced by 30%.

    Check: $2,100/mo (No COLA protection on the missing amount).
  • Claim at 67 (FRA): Full Benefit.

    Check: $3,000/mo.
  • Claim at 70 (Delayed): Benefit increased by 24% (3 years x 8%).

    Check: $3,720/mo.
  • The Alpha: By delaying, you secure an extra $1,620/month for life. If you live to 90, that’s ~$390,000 in additional inflation-adjusted income.

What-If Scenario: Surviving High Inflation

Comparison: Relying on Portfolio vs. Maxed Social Security.

Inflation Event (5% / Year) Stock/Bond Portfolio Social Security (Age 70 Claim)
Impact Purchasing power erodes. Bonds lose value. Benefit increases automatically (COLA).
Outcome Risk of running out of money. Income matches cost of living perfectly.

Result: Social Security is the only asset that is 100% immune to inflation and market crashes. Maximizing it is the ultimate hedge.

Visualizing the Guaranteed Growth

Claiming Age Monthly Benefit Amount ($) % of Full Benefit
Age 62 (Early) 2100 70%
Age 67 (Full) 3000 100%
Age 70 (Max) 3720 124%

*The jump from age 62 to 70 represents a 77% increase in monthly income (from $2,100 to $3,720), guaranteed by the US Treasury.

Execution Protocol

1
Build the Bridge Fund
Calculate your annual spending needs. Set aside 8 years of expenses (Age 62-70) in your Traditional IRA or 401(k). This money is destined to be spent to zero.

2
Roth Conversions (Bonus)
Since you have no wage income and no Social Security income during these “Bridge Years” (62-70), your tax bracket will be artificially low. Use this window to convert remaining IRA assets to Roth at a discount.

3
Flip the Switch at 70
On your 70th birthday, file for Social Security. Your “Bridge Fund” is now depleted, but your massive government check kicks in, covering your baseline expenses for the rest of your life.

COACHING DIRECTIVE

  • Do This: If you are in good health and longevity runs in your family. The “break-even” point is usually around age 80-82. If you live past 82, delaying wins massively.
  • Avoid This: If you have a serious illness or short life expectancy. In that case, claim early (62) to get as much cash out of the system as possible while you are alive.

Frequently Asked Questions

What is the Social Security Bridge?

It is a strategy where you delay claiming Social Security until age 70 to maximize the benefit, while using your own savings (401k/IRA) to pay for living expenses during the waiting period (Age 62-70).

Why is it better than investing?

To beat the 8% risk-free growth of delayed Social Security credits, your portfolio would need to earn significantly more than 8% consistently without risk. No market investment offers that guarantee.

What about the ‘Break-Even’ age?

Critics argue you miss out on years of checks. The mathematical break-even point is typically age 80-82. Since a healthy 65-year-old couple has a 50% chance of one partner living to 92, betting on longevity is the safer play.

Disclaimer: Social Security rules can change. If the trust fund depletes (projected 2034), benefits may be reduced, though unlikely for current retirees. This strategy depends on your personal health and cash flow needs.