US Bridges

I 64 WB over FAP-724 (ILL-37)

Fair

Jefferson County, Illinois · I-64/ILL-37 Int · Structure no. 041006700000000

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
2 main spans
Daily traffic
6,400
2024 count
Owner
State
State Highway Agency

About this bridge

I 64 WB over FAP-724 (ILL-37) is a steel continuous stringer/multi-beam or girder carrying I 64 WB over FAP-724 (ILL-37) in Jefferson County, Illinois. It was built in 1972, so it is 53 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 5 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 6,400 vehicles a day, roughly 42% of them trucks, projected to reach 7,626 by 2046. The structure is 193 ft (58.8 m) long and 47 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesI 64 WB
CrossesFAP-724 (ILL-37)
LocationI-64/ILL-37 Int
RouteInterstate 64
Coordinates38.27384, -88.90085
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2024)
Projected traffic7,626 by 2046
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed31.1 mi (50 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 I 64 WB over FAP-724 (ILL-37) built?

It was built in 1972, making it 53 years old in 2025.

What condition is I 64 WB over FAP-724 (ILL-37) 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 April 2024.

How much traffic does I 64 WB over FAP-724 (ILL-37) carry?

About 6,400 vehicles per day (2024 count), of which roughly 42% are trucks.

How long is I 64 WB over FAP-724 (ILL-37)?

The structure is 193 ft (58.8 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns I 64 WB over FAP-724 (ILL-37)?

It is owned by the State Highway Agency.