US Bridges

Port ST Nicholas over Dog Salmon Creek

Good

Prince of Wales-Hyder Census Area, Alaska · Mile Point 5.0 · Structure no. 2089

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
175
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Port ST Nicholas over Dog Salmon Creek is a steel stringer/multi-beam or girder carrying Port ST Nicholas over Dog Salmon Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 2015, so it is 10 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 175 vehicles a day, roughly 7% of them trucks, projected to reach 300 by 2035. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPort ST Nicholas
CrossesDog Salmon Creek
LocationMile Point 5.0
RouteCity Street 0
StateAlaska
Coordinates55.45636, -133.03292
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating42.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2018)
Projected traffic300 by 2035
Trucks7%
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

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 Port ST Nicholas over Dog Salmon Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Port ST Nicholas over Dog Salmon 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 July 2023.

How much traffic does Port ST Nicholas over Dog Salmon Creek carry?

About 175 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Port ST Nicholas over Dog Salmon Creek?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Port ST Nicholas over Dog Salmon Creek?

It is owned by the City or Municipal Highway Agency.