US Bridges

Wil-Peo Rd. over Forked Creek

Fair

Will County, Illinois · 0.3M.E.OFIL-53 · Structure no. 099333100000000

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
6,250
2023 count
Owner
County
County Highway Agency

About this bridge

Wil-Peo Rd. over Forked Creek is a prestressed concrete box beam or girders - multiple carrying Wil-Peo Rd. over Forked Creek in Will County, Illinois. It was built in 1988, so it is 37 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,250 vehicles a day, roughly 33% of them trucks, projected to reach 9,576 by 2046. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWil-Peo Rd.
CrossesForked Creek
Location0.3M.E.OFIL-53
Coordinates41.32034, -88.12668
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54.7 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,250 (2023)
Projected traffic9,576 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Wil-Peo Rd. over Forked Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Wil-Peo Rd. over Forked Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Wil-Peo Rd. over Forked Creek carry?

About 6,250 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Wil-Peo Rd. over Forked Creek?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13 m) and a deck 40 ft wide.

Who owns Wil-Peo Rd. over Forked Creek?

It is owned by the County Highway Agency.