US Bridges

FAI 55 over Wolf Creek

Good

Livingston County, Illinois · 3.2 MI E of Ill 23 · Structure no. 053201700000000

Built
1976
49 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
22,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 55 over Wolf Creek is a concrete continuous culvert carrying FAI 55 over Wolf Creek in Livingston County, Illinois. It was built in 1976, so it is 49 years old, older 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 22,300 vehicles a day, roughly 36% of them trucks, projected to reach 16,665 by 2046. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAI 55
CrossesWolf Creek
Location3.2 MI E of Ill 23
RouteInterstate 55
Coordinates40.94611, -88.58321
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2023)
Projected traffic16,665 by 2046
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAI 55 over Wolf Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAI 55 over Wolf 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 2023.

How much traffic does FAI 55 over Wolf Creek carry?

About 22,300 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is FAI 55 over Wolf Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.6 m).

Who owns FAI 55 over Wolf Creek?

It is owned by the State Highway Agency.