US Bridges

FAI 64 WB over ST Clair Ave E ST L

Fair

St. Clair County, Illinois · ST Clair Ave E ST L · Structure no. 082000100000000

Built
1960
65 years old, rebuilt 1992
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
98 ft
1 main span
Daily traffic
900
2024 count
Owner
State
State Highway Agency

About this bridge

FAI 64 WB over ST Clair Ave E ST L is a steel continuous stringer/multi-beam or girder carrying FAI 64 WB over ST Clair Ave E ST L in St. Clair County, Illinois. It was built in 1960 and reconstructed in 1992, so it is 65 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 900 vehicles a day, roughly 8% of them trucks, projected to reach 41,865 by 2046. The structure is 98 ft (29.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 64 WB
CrossesST Clair Ave E ST L
LocationST Clair Ave E ST L
Coordinates38.63138, -90.15293
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating107.1 US tons
Inventory rating65.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length98 ft (29.9 m)
Longest span94 ft (28.7 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2024)
Projected traffic41,865 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 FAI 64 WB over ST Clair Ave E ST L built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1992.

What condition is FAI 64 WB over ST Clair Ave E ST L 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 FAI 64 WB over ST Clair Ave E ST L carry?

About 900 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAI 64 WB over ST Clair Ave E ST L?

The structure is 98 ft (29.9 m) long with a longest span of 94 ft (28.7 m) and a deck 43 ft wide.

Who owns FAI 64 WB over ST Clair Ave E ST L?

It is owned by the State Highway Agency.