US Bridges

N Prince of Wales over Sarkar River

Good

Prince of Wales-Hyder Census Area, Alaska · Mile Point 28.0 · Structure no. 1721

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Steel
Length
162 ft
2 main spans
Daily traffic
340
2020 count
Owner
State
State Highway Agency

About this bridge

N Prince of Wales over Sarkar River is a steel box beam or girders - multiple carrying N Prince of Wales over Sarkar River in Prince of Wales-Hyder Census Area, Alaska. It was built in 1978, so it is 47 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.

It carries about 340 vehicles a day, roughly 10% of them trucks, projected to reach 1,190 by 2039. The structure is 162 ft (49.4 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN Prince of Wales
CrossesSarkar River
LocationMile Point 28.0
RouteState Highway 0
StateAlaska
Coordinates55.9511, -133.236
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating88.2 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span90 ft (27.4 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic1,190 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 N Prince of Wales over Sarkar River built?

It was built in 1978, making it 47 years old in 2025.

What condition is N Prince of Wales over Sarkar River 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 July 2023.

How much traffic does N Prince of Wales over Sarkar River carry?

About 340 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N Prince of Wales over Sarkar River?

The structure is 162 ft (49.4 m) long with a longest span of 90 ft (27.4 m) and a deck 29 ft wide.

Who owns N Prince of Wales over Sarkar River?

It is owned by the State Highway Agency.