Chicago bridge permit bonds.
From $100. Enter your amount.

The Chicago Department of Transportation (CDOT) manages more than 300 bridge and viaduct structures across the city, including the movable bridges over the Chicago and Calumet Rivers, and requires a permit — backed by a surety bond — for construction or utility work that affects a bridge, a viaduct, or the public way immediately adjacent to one. Premiums cost 2% of the bond amount, $100 minimum; the application collects no credit information, and most applications approve instantly.

Required for a CDOT bridge or public-way permit covering work affecting a City of Chicago bridge or viaduct
Amount is set by CDOT to the scope of the work — confirm your figure on your permit
From $100, no credit section in the application — enter your required bond amount and see your price at application
From $1002% of the bond amount, $100 minimumNo credit fieldsin the applicationFastinstant underwriting for most
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NYCEDC
BDG
Capital
McKinney
Terra
JLL
Triple Five
Georgetown
How it works

Apply to filed in one sitting.

No long underwriting queue for the standard bridge permit bond — enter your amount, pay, and file with CDOT. Here is the whole thing:

TODAY · ONLINE

Apply online

Your company details, the bond amount your bridge permit requires, and the effective date — that is the entire application.

INSTANTLY

Approved

The application collects no credit information, and most applications approve instantly. Because bridge work can run large, bigger bond amounts may get a brief underwriter review.

SAME DAY

File with CDOT

Submit the executed bond to the Chicago Department of Transportation with your bridge or public-way permit application. Wet-ink originals mailed on request.

About this bond

What it is and who needs it.

What the bridge permit bond actually guarantees

CDOT holds permitting authority over the public way, including the area in and around the roughly 300 bridges and viaducts it maintains — 37 of them movable spans over the Chicago and Calumet Rivers. No work in the public way, including work that touches or is adjacent to a bridge structure, may start without an approved permit, and CDOT can require a bond as a condition of issuing one.

It is a three-party arrangement: you (the principal), the surety carrier, and the City of Chicago (the obligee), with the public and the City as the protected parties. If permitted work damages a bridge structure, obstructs navigation or traffic beyond what the permit allows, or is left unrestored, the City can recover against the bond up to the amount your permit set.

It is not insurance for you — if the surety pays a claim, you repay the surety. There is no single citywide bond figure: CDOT sizes it to the scope of the specific bridge or public-way work your permit covers, so enter the amount stated on your permit paperwork.

Chicago Department of Transportation (CDOT)CDOT administers bridge and public-way permitting under its own regulations for construction, openings, and obstructions in the public way. We could not independently verify a single citable Municipal Code section and bond percentage from a fetchable source, so confirm your required bond amount directly on your CDOT bridge or public-way permit before you apply.

You need this bond if you are

A contractor performing work on or adjacent to a City bridge or viaduct structure
Doing utility, excavation, or construction work in the public way near a bridge under a CDOT permit
A marine or crane contractor whose work requires clearance near a movable bridge span
Renewing a bridge or public-way permit bond whose term is expiring

One application, then a fast decision.

Submit the application with the bond amount your CDOT bridge permit requires. The application collects no credit information, and most applications approve instantly.

Start the application →
FAQ

Common questions.

How much is the Chicago bridge permit bond?Premiums cost 2% of the bond amount your CDOT permit requires, with a $100 minimum. Enter the figure on your bridge or public-way permit and your exact price appears at the application.
What amount should I enter?Use the bond amount CDOT set on your bridge or public-way permit. It is not a single citywide figure — CDOT sizes it to the scope of the specific work, so confirm it with your permit paperwork if it is unclear.
What does the bond guarantee?That your permitted work is completed without damaging the bridge structure or obstructing the public way beyond what your permit allows, and that any damage caused is repaired. If the City is harmed and a valid claim is made, it can recover against the bond up to your permit amount.
Where do I file it?With the Chicago Department of Transportation, alongside your bridge or public-way permit application. Your e-signed bond and power of attorney arrive by email, ready to submit.
Is there a credit check?The application collects no credit information, so most applicants approve instantly. If a check ever runs on this bond, it's a soft pull that won't affect your score.
Related bonds

Other Illinois bonds.

Get your CDOT bridge permit bond filed today.

From $100, soft pull only. Enter your permit amount and file with CDOT the same day. Free until issued.

Your premiumfrom $100
Apply now →