US Bridges

West Lake Ridge DR over Fire Creek

Good

Anchorage Municipality, Alaska · Mile Point 0.1 · Structure no. 2274

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Lake Ridge DR over Fire Creek is a prestressed concrete slab carrying West Lake Ridge DR over Fire Creek in Anchorage Municipality, Alaska. It was built in 2007, so it is 18 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2035. The structure is 29 ft (8.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Lake Ridge DR
CrossesFire Creek
LocationMile Point 0.1
RouteCounty Highway 0
StateAlaska
Coordinates61.34868, -149.55205
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.9 US tons
Inventory rating48.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic600 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 West Lake Ridge DR over Fire Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is West Lake Ridge DR over Fire Creek 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 June 2024.

How much traffic does West Lake Ridge DR over Fire Creek carry?

About 500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is West Lake Ridge DR over Fire Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 32 ft wide.

Who owns West Lake Ridge DR over Fire Creek?

It is owned by the City or Municipal Highway Agency.