US Bridges

FAI 280 WB over Case Creek

Fair

Rock Island County, Illinois · 2 MI W of I-74 · Structure no. 081003100000000

Built
1960
65 years old, rebuilt 1996
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
10,400
2021 count
Owner
State
State Highway Agency

About this bridge

FAI 280 WB over Case Creek is a steel stringer/multi-beam or girder carrying FAI 280 WB over Case Creek in Rock Island County, Illinois. It was built in 1960 and reconstructed in 1996, 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 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 10,400 vehicles a day, roughly 26% of them trucks, projected to reach 10,504 by 2046. The structure is 58 ft (17.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 280 WB
CrossesCase Creek
Location2 MI W of I-74
RouteInterstate 280
Coordinates41.45621, -90.53278
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating61.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length58 ft (17.6 m)
Longest span54 ft (16.5 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2021)
Projected traffic10,504 by 2046
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI 280 WB over Case Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1996.

What condition is FAI 280 WB over Case Creek 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 January 2025.

How much traffic does FAI 280 WB over Case Creek carry?

About 10,400 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is FAI 280 WB over Case Creek?

The structure is 58 ft (17.6 m) long with a longest span of 54 ft (16.5 m) and a deck 44 ft wide.

Who owns FAI 280 WB over Case Creek?

It is owned by the State Highway Agency.