US Bridges

FAU 7643 over Cassel Creek

Fair

Coles County, Illinois · 2.0 MI S Charleston · Structure no. 015002700000000

Built
1937
88 years old, rebuilt 1983
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
203 ft
4 main spans
Daily traffic
2,400
2024 count
Owner
State
State Highway Agency

About this bridge

FAU 7643 over Cassel Creek is a steel continuous stringer/multi-beam or girder carrying FAU 7643 over Cassel Creek in Coles County, Illinois. It was built in 1937 and reconstructed in 1983, so it is 88 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 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 2,374 by 2046. The structure is 203 ft (61.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 7643
CrossesCassel Creek
Location2.0 MI S Charleston
Coordinates39.46299, -88.19275
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating78.3 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span56 ft (17 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2024)
Projected traffic2,374 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 FAU 7643 over Cassel Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1983.

What condition is FAU 7643 over Cassel 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 May 2023.

How much traffic does FAU 7643 over Cassel Creek carry?

About 2,400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FAU 7643 over Cassel Creek?

The structure is 203 ft (61.9 m) long with a longest span of 56 ft (17 m) and a deck 32 ft wide.

Who owns FAU 7643 over Cassel Creek?

It is owned by the State Highway Agency.