US Bridges

Whittier Access RD over Placer Creek

Good

Anchorage Municipality, Alaska · Mile Point 0.9 · Structure no. 1962

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
830
2020 count
Owner
State
State Highway Agency

About this bridge

Whittier Access RD over Placer Creek is a prestressed concrete tee beam carrying Whittier Access RD over Placer Creek in Anchorage Municipality, Alaska. It was built in 1999, so it is 26 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 830 vehicles a day, roughly 12% of them trucks, projected to reach 1,080 by 2039. The structure is 131 ft (40 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWhittier Access RD
CrossesPlacer Creek
LocationMile Point 0.9
RouteState Highway 0
StateAlaska
Coordinates60.787, -148.8243
Functional classRural Minor Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.1 US tons
Inventory rating56.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length131 ft (40 m)
Longest span127 ft (38.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2020)
Projected traffic1,080 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Whittier Access RD over Placer Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Whittier Access RD over Placer 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 2023.

How much traffic does Whittier Access RD over Placer Creek carry?

About 830 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Whittier Access RD over Placer Creek?

The structure is 131 ft (40 m) long with a longest span of 127 ft (38.7 m) and a deck 43 ft wide.

Who owns Whittier Access RD over Placer Creek?

It is owned by the State Highway Agency.