US Bridges

FAS 2936 (unmarked over Crooked Creek

Fair

Union County, Illinois · 3 MI S of Dongola · Structure no. 091006300000000

Built
1985
40 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
1,250
2020 count
Owner
State
State Highway Agency

About this bridge

FAS 2936 (unmarked over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying FAS 2936 (unmarked over Crooked Creek in Union County, Illinois. It was built in 1985, so it is 40 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 1,250 vehicles a day, roughly 10% of them trucks, projected to reach 1,263 by 2046. The structure is 83 ft (25.2 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFAS 2936 (unmarked
CrossesCrooked Creek
Location3 MI S of Dongola
RouteCounty Highway 0
CountyUnion County
StateIllinois
Coordinates37.3414, -89.17219
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length83 ft (25.2 m)
Longest span78 ft (23.9 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2020)
Projected traffic1,263 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 FAS 2936 (unmarked over Crooked Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAS 2936 (unmarked over Crooked 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 February 2025.

How much traffic does FAS 2936 (unmarked over Crooked Creek carry?

About 1,250 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FAS 2936 (unmarked over Crooked Creek?

The structure is 83 ft (25.2 m) long with a longest span of 78 ft (23.9 m) and a deck 31 ft wide.

Who owns FAS 2936 (unmarked over Crooked Creek?

It is owned by the State Highway Agency.