US Bridges

FAS 2796 (US-40) over Big Creek

Fair

Effingham County, Illinois · W of Altamont · Structure no. 025202200000000

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 2796 (US-40) over Big Creek is a concrete culvert carrying FAS 2796 (US-40) over Big Creek in Effingham County, Illinois. It was built in 1989, so it is 36 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 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 2,900 vehicles a day, roughly 6% of them trucks, projected to reach 3,074 by 2046. The structure is 23 ft (6.9 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 2796 (US-40)
CrossesBig Creek
LocationW of Altamont
RouteU.S. Route 40
Coordinates39.04609, -88.77728
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating73.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic3,074 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 2796 (US-40) over Big Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAS 2796 (US-40) over Big 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 2024.

How much traffic does FAS 2796 (US-40) over Big Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FAS 2796 (US-40) over Big Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.3 m) and a deck 35 ft wide.

Who owns FAS 2796 (US-40) over Big Creek?

It is owned by the State Highway Agency.