US Bridges

Anch Intl Airport over Aia Access Road Ramp

FairPosted for load

Anchorage Municipality, Alaska · Mile Point 0.1 · Structure no. 1278

Built
1968
57 years old, rebuilt 1995
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
802 ft
12 main spans
Daily traffic
2,020
2020 count
Owner
State
Other State Agency

About this bridge

Anch Intl Airport over Aia Access Road Ramp is a prestressed concrete continuous box beam or girders - multiple carrying Anch Intl Airport over Aia Access Road Ramp in Anchorage Municipality, Alaska. It was built in 1968 and reconstructed in 1995, so it is 57 years old, older than the Alaska average of 35.9 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. Its operating status is: posted for load restriction.

It carries about 2,020 vehicles a day, roughly 4% of them trucks, projected to reach 5,340 by 2039. The structure is 802 ft (244.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAnch Intl Airport
CrossesAia Access Road Ramp
LocationMile Point 0.1
RouteState Highway 0
CountyAnchorage Municipality
StateAlaska
Coordinates61.17306, -149.97972
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.1 US tons
Inventory rating16.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12 (+14 approach)
Design loadH 15
Structure length802 ft (244.4 m)
Longest span42 ft (12.8 m)
Deck width54 ft (16.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,020 (2020)
Projected traffic5,340 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Anch Intl Airport over Aia Access Road Ramp built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1995.

What condition is Anch Intl Airport over Aia Access Road Ramp 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 August 2023.

How much traffic does Anch Intl Airport over Aia Access Road Ramp carry?

About 2,020 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Anch Intl Airport over Aia Access Road Ramp?

The structure is 802 ft (244.4 m) long with a longest span of 42 ft (12.8 m) and a deck 54 ft wide.

Who owns Anch Intl Airport over Aia Access Road Ramp?

It is owned by the Other State Agency.