US Bridges

FAU-8413 (US-40) over FAI-70

Fair

Fayette County, Illinois · W. Vandalia Int. · Structure no. 026008700000000

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

FAU-8413 (US-40) over FAI-70 is a steel continuous stringer/multi-beam or girder carrying FAU-8413 (US-40) over FAI-70 in Fayette County, Illinois. It was built in 1977, so it is 48 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 4,000 vehicles a day, roughly 24% of them trucks, projected to reach 4,539 by 2046. The structure is 254 ft (77.4 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU-8413 (US-40)
CrossesFAI-70
LocationW. Vandalia Int.
RouteU.S. Route 40
Coordinates38.96966, -89.13332
Functional classUrban Minor Arterial

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span102 ft (31.1 m)
Deck width64 ft (19.5 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic4,539 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU-8413 (US-40) over FAI-70 built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAU-8413 (US-40) over FAI-70 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 October 2024.

How much traffic does FAU-8413 (US-40) over FAI-70 carry?

About 4,000 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is FAU-8413 (US-40) over FAI-70?

The structure is 254 ft (77.4 m) long with a longest span of 102 ft (31.1 m) and a deck 64 ft wide.

Who owns FAU-8413 (US-40) over FAI-70?

It is owned by the State Highway Agency.