US Bridges

FAI 74 & 280 EB over US6 Bn RR & TR38

Fair

Henry County, Illinois · 1 MI SW Green Rock · Structure no. 037000300000000

Built
1961
64 years old, rebuilt 1990
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
475 ft
9 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 74 & 280 EB over US6 Bn RR & TR38 is a steel stringer/multi-beam or girder carrying FAI 74 & 280 EB over US6 Bn RR & TR38 in Henry County, Illinois. It was built in 1961 and reconstructed in 1990, 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 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 7,500 vehicles a day, roughly 33% of them trucks, projected to reach 8,802 by 2046. The structure is 475 ft (144.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAI 74 & 280 EB
CrossesUS6 Bn RR & TR38
Location1 MI SW Green Rock
RouteInterstate 74
CountyHenry County
StateIllinois
Coordinates41.45749, -90.37836
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length475 ft (144.7 m)
Longest span64 ft (19.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic8,802 by 2046
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 74 & 280 EB over US6 Bn RR & TR38 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is FAI 74 & 280 EB over US6 Bn RR & TR38 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 May 2023.

How much traffic does FAI 74 & 280 EB over US6 Bn RR & TR38 carry?

About 7,500 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is FAI 74 & 280 EB over US6 Bn RR & TR38?

The structure is 475 ft (144.7 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns FAI 74 & 280 EB over US6 Bn RR & TR38?

It is owned by the State Highway Agency.