US Bridges

West Dowling Road over W Dowling Road Oc

Good

Anchorage Municipality, Alaska · Mile Point 3.0 · Structure no. 2273

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Steel
Length
200 ft
1 main span
Daily traffic
9,450
2020 count
Owner
State
State Highway Agency

About this bridge

West Dowling Road over W Dowling Road Oc is a steel box beam or girders - multiple carrying West Dowling Road over W Dowling Road Oc in Anchorage Municipality, Alaska. It was built in 2015, so it is 10 years old, younger 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.

It carries about 9,450 vehicles a day, roughly 4% of them trucks, projected to reach 11,600 by 2039. The structure is 200 ft (60.9 m) long and 104 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Dowling Road
CrossesW Dowling Road Oc
LocationMile Point 3.0
RouteState Highway 532
StateAlaska
Coordinates61.16567, -149.89772
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 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 rating53.4 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length200 ft (60.9 m)
Longest span195 ft (59.4 m)
Deck width104 ft (31.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,450 (2020)
Projected traffic11,600 by 2039
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was West Dowling Road over W Dowling Road Oc built?

It was built in 2015, making it 10 years old in 2025.

What condition is West Dowling Road over W Dowling Road Oc 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 West Dowling Road over W Dowling Road Oc carry?

About 9,450 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is West Dowling Road over W Dowling Road Oc?

The structure is 200 ft (60.9 m) long with a longest span of 195 ft (59.4 m) and a deck 104 ft wide.

Who owns West Dowling Road over W Dowling Road Oc?

It is owned by the State Highway Agency.