US Bridges

FAI 70 EB over Ill 157

Fair

Madison County, Illinois · JCT 70 W Collnville · Structure no. 060001200000000

Built
1960
65 years old, rebuilt 1989
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
318 ft
4 main spans
Daily traffic
23,000
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 70 EB over Ill 157 is a steel continuous stringer/multi-beam or girder carrying FAI 70 EB over Ill 157 in Madison County, Illinois. It was built in 1960 and reconstructed in 1989, 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 23,000 vehicles a day, roughly 26% of them trucks, projected to reach 24,503 by 2046. The structure is 318 ft (96.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 70 EB
CrossesIll 157
LocationJCT 70 W Collnville
RouteInterstate 55
Coordinates38.68064, -90.0117
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length318 ft (96.8 m)
Longest span87 ft (26.6 m)
Deck width49 ft (15 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2023)
Projected traffic24,503 by 2046
Trucks26%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 70 EB over Ill 157 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is FAI 70 EB over Ill 157 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 December 2024.

How much traffic does FAI 70 EB over Ill 157 carry?

About 23,000 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is FAI 70 EB over Ill 157?

The structure is 318 ft (96.8 m) long with a longest span of 87 ft (26.6 m) and a deck 49 ft wide.

Who owns FAI 70 EB over Ill 157?

It is owned by the State Highway Agency.