US Bridges

FAI 70 EB over Ill 111

Fair

Madison County, Illinois · N of Fairmont City · Structure no. 060000600000000

Built
1961
64 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
5 main spans
Daily traffic
26,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 70 EB over Ill 111 is a steel continuous stringer/multi-beam or girder carrying FAI 70 EB over Ill 111 in Madison County, Illinois. It was built in 1961, so it is 64 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 26,800 vehicles a day, roughly 19% of them trucks, projected to reach 27,660 by 2046. The structure is 242 ft (73.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 70 EB
CrossesIll 111
LocationN of Fairmont City
RouteInterstate 55
Coordinates38.66267, -90.09311
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
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 inspectionDecember 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 alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span53 ft (16.2 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,800 (2023)
Projected traffic27,660 by 2046
Trucks19%
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 111 built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAI 70 EB over Ill 111 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 111 carry?

About 26,800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is FAI 70 EB over Ill 111?

The structure is 242 ft (73.8 m) long with a longest span of 53 ft (16.2 m) and a deck 59 ft wide.

Who owns FAI 70 EB over Ill 111?

It is owned by the State Highway Agency.