US Bridges

FAI 80 SB over FAI 74

Fair

Henry County, Illinois · 3 MI SE Colona · Structure no. 037003100000000

Built
1961
64 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
274 ft
4 main spans
Daily traffic
10,750
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 80 SB over FAI 74 is a steel stringer/multi-beam or girder carrying FAI 80 SB over FAI 74 in Henry County, Illinois. It was built in 1961 and reconstructed in 1988, 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 10,750 vehicles a day, roughly 41% of them trucks, projected to reach 11,718 by 2046. The structure is 274 ft (83.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 80 SB
CrossesFAI 74
Location3 MI SE Colona
RouteInterstate 80
Coordinates41.44047, -90.33006
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length274 ft (83.6 m)
Longest span89 ft (27 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,750 (2023)
Projected traffic11,718 by 2046
Trucks41%
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
Strategic Highway NetworkNon-Interstate 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 80 SB over FAI 74 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1988.

What condition is FAI 80 SB over FAI 74 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 2023.

How much traffic does FAI 80 SB over FAI 74 carry?

About 10,750 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is FAI 80 SB over FAI 74?

The structure is 274 ft (83.6 m) long with a longest span of 89 ft (27 m) and a deck 55 ft wide.

Who owns FAI 80 SB over FAI 74?

It is owned by the State Highway Agency.