US Bridges

Milan Beltway over I-280

Good

Rock Island County, Illinois · S. of Rock Island · Structure no. 081015400000000

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
281 ft
3 main spans
Daily traffic
19,400
2023 count
Owner
State
State Highway Agency

About this bridge

Milan Beltway over I-280 is a steel continuous stringer/multi-beam or girder carrying Milan Beltway over I-280 in Rock Island County, Illinois. It was built in 2006, so it is 19 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,400 vehicles a day, roughly 5% of them trucks, projected to reach 19,089 by 2046. The structure is 281 ft (85.8 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMilan Beltway
CrossesI-280
LocationS. of Rock Island
CountyRock Island County
StateIllinois
Coordinates41.4562, -90.53729
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length281 ft (85.8 m)
Longest span121 ft (36.9 m)
Deck width58 ft (17.6 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,400 (2023)
Projected traffic19,089 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Milan Beltway over I-280 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Milan Beltway over I-280 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Milan Beltway over I-280 carry?

About 19,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Milan Beltway over I-280?

The structure is 281 ft (85.8 m) long with a longest span of 121 ft (36.9 m) and a deck 58 ft wide.

Who owns Milan Beltway over I-280?

It is owned by the State Highway Agency.