US Bridges

FAI 64 EB over US 51

Fair

Washington County, Illinois · 1.39 MI W CO Line · Structure no. 095006300000000

Built
1971
54 years old, rebuilt 1991
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
14,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 64 EB over US 51 is a steel stringer/multi-beam or girder carrying FAI 64 EB over US 51 in Washington County, Illinois. It was built in 1971 and reconstructed in 1991, so it is 54 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 14,300 vehicles a day, roughly 30% of them trucks, projected to reach 17,727 by 2046. The structure is 116 ft (35.4 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI 64 EB
CrossesUS 51
Location1.39 MI W CO Line
RouteInterstate 64
Coordinates38.38936, -89.17067
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span116 ft (35.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2023)
Projected traffic17,727 by 2046
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 EB over US 51 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1991.

What condition is FAI 64 EB over US 51 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 2025.

How much traffic does FAI 64 EB over US 51 carry?

About 14,300 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is FAI 64 EB over US 51?

The structure is 116 ft (35.4 m) long with a longest span of 116 ft (35.4 m) and a deck 44 ft wide.

Who owns FAI 64 EB over US 51?

It is owned by the State Highway Agency.