US Bridges

Intl Airport RD over Campbell Creek Intl Air

GoodPosted for load

Anchorage Municipality, Alaska · Mile Point 3.5 · Structure no. 1343

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
1,760
2020 count
Owner
State
State Highway Agency

About this bridge

Intl Airport RD over Campbell Creek Intl Air is a prestressed concrete tee beam carrying Intl Airport RD over Campbell Creek Intl Air in Anchorage Municipality, Alaska. It was built in 1976, so it is 49 years old, older than the Alaska average of 35.9 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. Its operating status is: posted for load restriction.

It carries about 1,760 vehicles a day, roughly 5% of them trucks, projected to reach 2,310 by 2039. The structure is 72 ft (21.9 m) long and 55 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIntl Airport RD
CrossesCampbell Creek Intl Air
LocationMile Point 3.5
RouteState Highway 538
StateAlaska
Coordinates61.17389, -149.86417
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating22.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width55 ft (16.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,760 (2020)
Projected traffic2,310 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Intl Airport RD over Campbell Creek Intl Air built?

It was built in 1976, making it 49 years old in 2025.

What condition is Intl Airport RD over Campbell Creek Intl Air 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 August 2023.

How much traffic does Intl Airport RD over Campbell Creek Intl Air carry?

About 1,760 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Intl Airport RD over Campbell Creek Intl Air?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 55 ft wide.

Who owns Intl Airport RD over Campbell Creek Intl Air?

It is owned by the State Highway Agency.