US Bridges

Il 103 over Crooked CR Trib

Fair

Schuyler County, Illinois · .7M E US 24 · Structure no. 085201000000000

Built
1929
96 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

Il 103 over Crooked CR Trib is a concrete culvert carrying Il 103 over Crooked CR Trib in Schuyler County, Illinois. It was built in 1929, so it is 96 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 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 1,250 vehicles a day, roughly 6% of them trucks, projected to reach 1,364 by 2046. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesIl 103
CrossesCrooked CR Trib
Location.7M E US 24
RouteState Highway 103
Coordinates40.03477, -90.61275
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,364 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 Il 103 over Crooked CR Trib built?

It was built in 1929, making it 96 years old in 2025.

What condition is Il 103 over Crooked CR Trib 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 February 2025.

How much traffic does Il 103 over Crooked CR Trib carry?

About 1,250 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 103 over Crooked CR Trib?

The structure is 32 ft (9.9 m) long with a longest span of 10 ft (3 m).

Who owns Il 103 over Crooked CR Trib?

It is owned by the State Highway Agency.