US Bridges

FAS-2869 (ILL-37) over Casey Fork

Fair

Jefferson County, Illinois · 2 MI S ILL-148 · Structure no. 041003200000000

Built
1921
104 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
385 ft
2 main spans
Daily traffic
4,600
2023 count
Owner
State
State Highway Agency

About this bridge

FAS-2869 (ILL-37) over Casey Fork is a steel continuous stringer/multi-beam or girder carrying FAS-2869 (ILL-37) over Casey Fork in Jefferson County, Illinois. It was built in 1921 and reconstructed in 1986, so it is 104 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 5,000 by 2046. The structure is 385 ft (117.3 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFAS-2869 (ILL-37)
CrossesCasey Fork
Location2 MI S ILL-148
RouteState Highway 37
CountyJefferson County
StateIllinois
Coordinates38.27006, -88.89902
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+6 approach)
Design loadHS 20
Structure length385 ft (117.3 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2023)
Projected traffic5,000 by 2046
Trucks11%
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-2869 (ILL-37) over Casey Fork built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1986.

What condition is FAS-2869 (ILL-37) over Casey Fork 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 August 2023.

How much traffic does FAS-2869 (ILL-37) over Casey Fork carry?

About 4,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAS-2869 (ILL-37) over Casey Fork?

The structure is 385 ft (117.3 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns FAS-2869 (ILL-37) over Casey Fork?

It is owned by the State Highway Agency.