US Bridges

I 80 over Oat Creek

Good

Henry County, Illinois · 2 MI E of Ill 82 · Structure no. 037200200000000

Built
1961
64 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
17,300
2023 count
Owner
State
State Highway Agency

About this bridge

I 80 over Oat Creek is a concrete culvert carrying I 80 over Oat Creek in Henry County, Illinois. It was built in 1961, so it is 64 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 17,300 vehicles a day, roughly 52% of them trucks, projected to reach 19,440 by 2046. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 80
CrossesOat Creek
Location2 MI E of Ill 82
RouteInterstate 80
Coordinates41.41535, -90.12614
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length46 ft (13.9 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,300 (2023)
Projected traffic19,440 by 2046
Trucks52%
Lanes on structure4
Traffic directionTwo-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 80 over Oat Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 80 over Oat 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 August 2023.

How much traffic does I 80 over Oat Creek carry?

About 17,300 vehicles per day (2023 count), of which roughly 52% are trucks.

How long is I 80 over Oat Creek?

The structure is 46 ft (13.9 m) long with a longest span of 17 ft (5.3 m).

Who owns I 80 over Oat Creek?

It is owned by the State Highway Agency.