US Bridges

N Prince of Wales over Clam Creek 2

Good

Prince of Wales-Hyder Census Area, Alaska · Mile Point 26.4 · Structure no. 2290

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
340
2020 count
Owner
State
State Highway Agency

About this bridge

N Prince of Wales over Clam Creek 2 is a prestressed concrete tee beam carrying N Prince of Wales over Clam Creek 2 in Prince of Wales-Hyder Census Area, Alaska. It was built in 1986, so it is 39 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 76 ft (23.2 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN Prince of Wales
CrossesClam Creek 2
LocationMile Point 26.4
RouteState Highway 0
StateAlaska
Coordinates55.93119, -133.22075
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.7 US tons
Inventory rating44.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span74 ft (22.6 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 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 Clam Creek 2 built?

It was built in 1986, making it 39 years old in 2025.

What condition is N Prince of Wales over Clam Creek 2 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 Clam Creek 2 carry?

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

How long is N Prince of Wales over Clam Creek 2?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 30 ft wide.

Who owns N Prince of Wales over Clam Creek 2?

It is owned by the State Highway Agency.