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WHY YOU'RE SHORT

BRIDGE JOBS LOOK PROFITABLE. THE BALANCE SHEET IS STILL THIN.

QUICK ANSWER

Bridge subcontractors have no cash left for reasons specific to how the work is built and billed, on jobs that are making money. The three that cost the most in this trade are below, taken from bridge contractor research. Most are at 75 to 90 days from finishing work to holding the money, and 45 days is achievable.

Cash and profit are measured on different clocks. Your profit and loss records revenue when you invoice and costs when you incur them, while the bank account only knows what cleared. Labour goes out weekly and collects 45 to 90 days later, minus retention. That distance is what a growing, profitable bridge company funds out of pocket, and it widens as you grow. The specific things that widen it in this trade are what the rest of this page is about.

BY JOSH LUEBKERPublished 2026-08-06Updated 2026-11-02
WHERE THE CASH GOES IN BRIDGE

WHERE IT LEAKS OUT.

01 · The water window (marine permits over a highway schedule)

Bridges over water have the same permit calendar as marine work: USACE Section 404/401 authorizations, in-water work windows for fish passage and flows, and cofferdam/causeway falsework priced like temporary marine construction for its seasonal exposure. A missed window moves foundation work a season. The permit controls your schedule.

The system that controls this

THE THREE THAT DECIDE THE YEAR

WHAT MOVES MARGIN IN THIS TRADE.

LEAK 01

The Surety Ceiling

Your bonding capacity sets how big you can grow. It depends on statements the surety believes. In the bridge market, an accurate WIP and retained equity are how you win more work.

LEAK 02

The Window Hostage

In-water permits and work windows set the foundation schedule. Miss a window and the work moves a season. Plan mobilization around the permit calendar and price a contingency for the slide. That's your schedule insurance.

LEAK 03

The Invisible Structure

Falsework, cofferdams and causeways are engineered projects inside the project, and when they come out they're pure cost. Give temporary works their own cost codes so the bid doesn't give them away.

THE NUMBER TO MANAGE

DAYS SALES OUTSTANDING.

Ninety days is weak, 45 is the target, 30 is strong. Nothing else moves cash faster.

PositionDaysWhat it means
Weak90 daysRoughly three months of work funded out of your own pocket.
Target45 daysYou can get here on the days you control. Bill on time, send complete paperwork, and follow up in week two.
Strong30 daysTakes work every month. It's the cheapest money you can get.

Moving from 90 days to 45 frees roughly annual revenue divided by 365, times 45 days. At $4M that's about $493,000. At $8M it's about $986,000. That money costs no interest and needs no bank. So we fix billing and collections before we talk about financing.

WHERE YOU SHOULD BE

BRIDGE BENCHMARKS.

Bridge subcontractors at $1M to $5M net 7 percent, against the CFOS net profit target, set at your trade's net profit average at your revenue plus 3.5 points, never below 10 percent, before taxes. The working capital target is 13 percent of annual revenue, and the monthly close should finish by day 10 so the numbers can still change a decision.

Full bridge benchmarks
COMMON QUESTIONS

FREQUENTLY ASKED.

Because the jobs earn before the money comes in. Labour and material go out on a weekly cycle and collect 45 to 90 days later, with 5 to 10 percent held as retention behind that. In bridge specifically that distance is widened by the water window (marine permits over a highway schedule). None of that reads as a loss on any single job, which is why it goes unaddressed.

They set the foundation schedule. Environmental permits limit when piers, cofferdams and in-channel work can go ahead, and a missed window moves that work a season. Build mobilization around the permit calendar, price the slide contingency, and keep the falsework plan ready for the window that opens.

Three tiers, and which one you are in depends on how much of the work you want off your desk. On Core we build your plan every month and your team does the work: job costing built against the way you estimate, a 13 week cash forecast, monthly WIP, and a monthly meeting that ends in decisions, while your bookkeeper keeps doing the books. On Strategic we build the plan, track it and adjust it every month: our team does the bookkeeping and the bank reconciliations, and the job costing and WIP software is set up and managed for you, on your own online software or ours. On Platinum we manage the money side for you every week: our team handles your bills and receivables the way an in-house controller would, and you approve every payment. We don't do payroll.
$10.7M+
Client AR Recovered Since 2023
48
Active Trade Specializations
60 DAYS
Average Onboarding Time
WHAT THIS TIES INTO
Josh Luebker, SPM The Construction CFO
Josh Luebker
FRACTIONAL CFO · SPM THE CONSTRUCTION CFO

Josh Luebker is a master electrician turned construction CFO, president of SPM The Construction CFO and author of CONTROL: C.F.O.S. Construction Financial Operating System.

WHICH WEEK DO YOU COME UP SHORT?

Twenty minutes of questions about your open invoices, your payroll calendar, and how your general contractors really pay. Josh won't pitch you or send a proposal. If Josh can help, you'll set a longer second call.

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