US Bridges

FAI 280 WB over Mill Creek

Fair

Rock Island County, Illinois · .6 MI E of US 67 · Structure no. 081002700000000

Built
1968
57 years old, rebuilt 2012
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
2 main spans
Daily traffic
9,850
2021 count
Owner
State
State Highway Agency

About this bridge

FAI 280 WB over Mill Creek is a steel continuous stringer/multi-beam or girder carrying FAI 280 WB over Mill Creek in Rock Island County, Illinois. It was built in 1968 and reconstructed in 2012, 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 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 9,850 vehicles a day, roughly 28% of them trucks, projected to reach 9,949 by 2046. The structure is 209 ft (63.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 280 WB
CrossesMill Creek
Location.6 MI E of US 67
RouteInterstate 280
Coordinates41.44759, -90.55586
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating94.2 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length209 ft (63.6 m)
Longest span105 ft (31.9 m)
Deck width45 ft (13.6 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
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 Mill Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2012.

What condition is FAI 280 WB over Mill 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 December 2024.

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

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

How long is FAI 280 WB over Mill Creek?

The structure is 209 ft (63.6 m) long with a longest span of 105 ft (31.9 m) and a deck 45 ft wide.

Who owns FAI 280 WB over Mill Creek?

It is owned by the State Highway Agency.