US Bridges

I-280 WB over Airport Road

Fair

Rock Island County, Illinois · E. Edge of Milan · Structure no. 081014700000000

Built
2004
21 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
181 ft
3 main spans
Daily traffic
10,400
2021 count
Owner
State
State Highway Agency

About this bridge

I-280 WB over Airport Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I-280 WB over Airport Road in Rock Island County, Illinois. It was built in 2004, so it is 21 years old, younger 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 10,400 vehicles a day, roughly 26% of them trucks, projected to reach 10,504 by 2046. The structure is 181 ft (55.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-280 WB
CrossesAirport Road
LocationE. Edge of Milan
RouteInterstate 280
CountyRock Island County
StateIllinois
Coordinates41.45313, -90.54781
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length181 ft (55.3 m)
Longest span93 ft (28.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 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
CarriesOverpass structure at an interchange
CrossesHighway
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 I-280 WB over Airport Road built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-280 WB over Airport Road 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 I-280 WB over Airport Road carry?

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

How long is I-280 WB over Airport Road?

The structure is 181 ft (55.3 m) long with a longest span of 93 ft (28.2 m) and a deck 43 ft wide.

Who owns I-280 WB over Airport Road?

It is owned by the State Highway Agency.