US Bridges

4th Street 8400 over Creek

Good

Fayette County, Illinois · Vandalia · Structure no. 026600900000000

Built
1941
84 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
375
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Street 8400 over Creek is a concrete culvert carrying 4th Street 8400 over Creek in Fayette County, Illinois. It was built in 1941, so it is 84 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 1% of them trucks, projected to reach 281 by 2046. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries4th Street 8400
CrossesCreek
LocationVandalia
RouteCity Street 0
Coordinates38.96522, -89.09466
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length36 ft (11.1 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic281 by 2046
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 4th Street 8400 over Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is 4th Street 8400 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does 4th Street 8400 over Creek carry?

About 375 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is 4th Street 8400 over Creek?

The structure is 36 ft (11.1 m) long with a longest span of 17 ft (5.3 m).

Who owns 4th Street 8400 over Creek?

It is owned by the City or Municipal Highway Agency.