US Bridges

Milan Beltway over Airport RD

Fair

Rock Island County, Illinois · S. of Rock Island · Structure no. 081015500000000

Built
2006
19 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
16,800
2023 count
Owner
State
State Highway Agency

About this bridge

Milan Beltway over Airport RD is a prestressed concrete continuous stringer/multi-beam or girder carrying Milan Beltway over Airport RD 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 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 16,800 vehicles a day, roughly 7% of them trucks, projected to reach 18,180 by 2046. The structure is 154 ft (46.9 m) long and 102 ft wide.

Location

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CarriesMilan Beltway
CrossesAirport RD
LocationS. of Rock Island
CountyRock Island County
StateIllinois
Coordinates41.45303, -90.53732
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span51 ft (15.5 m)
Deck width102 ft (31 m)
Roadway width95 ft (28.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2023)
Projected traffic18,180 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Milan Beltway over Airport RD built?

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

What condition is Milan Beltway over Airport RD 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 February 2023.

How much traffic does Milan Beltway over Airport RD carry?

About 16,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Milan Beltway over Airport RD?

The structure is 154 ft (46.9 m) long with a longest span of 51 ft (15.5 m) and a deck 102 ft wide.

Who owns Milan Beltway over Airport RD?

It is owned by the State Highway Agency.