US Bridges

I-72 (eb) over Wildcat Creek

Fair

Piatt County, Illinois · 2 MI W Monticello · Structure no. 074006300000000

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

I-72 (eb) over Wildcat Creek is a prestressed concrete stringer/multi-beam or girder carrying I-72 (eb) over Wildcat Creek in Piatt County, Illinois. It was built in 1975, so it is 50 years old, older 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 6 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 5,700 vehicles a day, roughly 26% of them trucks, projected to reach 5,656 by 2046. The structure is 107 ft (32.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-72 (eb)
CrossesWildcat Creek
Location2 MI W Monticello
RouteInterstate 72
Coordinates40.03088, -88.62266
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length107 ft (32.7 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic5,656 by 2046
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I-72 (eb) over Wildcat Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-72 (eb) over Wildcat 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 November 2024.

How much traffic does I-72 (eb) over Wildcat Creek carry?

About 5,700 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I-72 (eb) over Wildcat Creek?

The structure is 107 ft (32.7 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns I-72 (eb) over Wildcat Creek?

It is owned by the State Highway Agency.