US Bridges

Wilmington-Peotone over Forked Creek

Good

Will County, Illinois · Just W.Cougar RD · Structure no. 099334200000000

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
6,050
2023 count
Owner
County
County Highway Agency

About this bridge

Wilmington-Peotone over Forked Creek is a concrete continuous slab carrying Wilmington-Peotone over Forked Creek in Will County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,050 vehicles a day, roughly 35% of them trucks, projected to reach 7,200 by 2046. The structure is 58 ft (17.7 m) long and 41 ft wide.

CarriesWilmington-Peotone
CrossesForked Creek
LocationJust W.Cougar RD
Coordinates41.32176, -87.99839
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span23 ft (7 m)
Deck width41 ft (12.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,050 (2023)
Projected traffic7,200 by 2046
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilmington-Peotone over Forked Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Wilmington-Peotone over Forked Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Wilmington-Peotone over Forked Creek carry?

About 6,050 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is Wilmington-Peotone over Forked Creek?

The structure is 58 ft (17.7 m) long with a longest span of 23 ft (7 m) and a deck 41 ft wide.

Who owns Wilmington-Peotone over Forked Creek?

It is owned by the County Highway Agency.