US Bridges

FAI 280 WB over Iais RR

Fair

Rock Island County, Illinois · .5 MI W of US 67 · Structure no. 081001900000000

Built
1968
57 years old, rebuilt 2011
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
202 ft
3 main spans
Daily traffic
9,850
2021 count
Owner
State
State Highway Agency

About this bridge

FAI 280 WB over Iais RR is a steel continuous stringer/multi-beam or girder carrying FAI 280 WB over Iais RR in Rock Island County, Illinois. It was built in 1968 and reconstructed in 2011, so it is 57 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 9,850 vehicles a day, roughly 28% of them trucks, projected to reach 9,949 by 2046. The structure is 202 ft (61.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAI 280 WB
CrossesIais RR
Location.5 MI W of US 67
RouteInterstate 280
CountyRock Island County
StateIllinois
Coordinates41.44613, -90.57528
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating59.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.5 m)
Longest span75 ft (23 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,850 (2021)
Projected traffic9,949 by 2046
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$854,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI 280 WB over Iais RR built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2011.

What condition is FAI 280 WB over Iais RR 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 280 WB over Iais RR carry?

About 9,850 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is FAI 280 WB over Iais RR?

The structure is 202 ft (61.5 m) long with a longest span of 75 ft (23 m) and a deck 44 ft wide.

Who owns FAI 280 WB over Iais RR?

It is owned by the State Highway Agency.