US Bridges

Salmon River Road over Fish Creek

Fair

Prince of Wales-Hyder Census Area, Alaska · Mile Point 4.5 · Structure no. 1217

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
1 main span
Daily traffic
390
2020 count
Owner
State
State Highway Agency

About this bridge

Salmon River Road over Fish Creek is a wood or timber stringer/multi-beam or girder carrying Salmon River Road over Fish Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 1965, so it is 60 years old, older than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 390 vehicles a day, roughly 28% of them trucks, projected to reach 460 by 2039. The structure is 41 ft (12.5 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSalmon River Road
CrossesFish Creek
LocationMile Point 4.5
RouteState Highway NSP00
StateAlaska
Coordinates55.96167, -130.06139
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.6 US tons
Inventory rating27.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2020)
Projected traffic460 by 2039
Trucks28%
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 Salmon River Road over Fish Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Salmon River Road over Fish Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Salmon River Road over Fish Creek carry?

About 390 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is Salmon River Road over Fish Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Salmon River Road over Fish Creek?

It is owned by the State Highway Agency.