US Bridges

Winter Trail Road over North River

Fair

Nome Census Area, Alaska · Intersection of Dike Road · Structure no. 00000000000E801

Built
2011
14 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
130 ft
1 main span
Daily traffic
50
2021 count
Owner
Tribal
Indian Tribal Government

About this bridge

Winter Trail Road over North River is a steel truss - thru carrying Winter Trail Road over North River in Nome Census Area, Alaska. It was built in 2011, so it is 14 years old, younger 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 6 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 50 vehicles a day, projected to reach 60 by 2041. The structure is 130 ft (39.6 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesWinter Trail Road
CrossesNorth River
LocationIntersection of Dike Road
RouteFederal Lands Road 0
CountyNome Census Area
StateAlaska
Coordinates63.89778, -160.63154
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span125 ft (38.1 m)
Deck width14 ft (4.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic60 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerIndian Tribal Government
Maintained byIndian Tribal Government
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Winter Trail Road over North River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Winter Trail Road over North River 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 Winter Trail Road over North River carry?

About 50 vehicles per day (2021 count).

How long is Winter Trail Road over North River?

The structure is 130 ft (39.6 m) long with a longest span of 125 ft (38.1 m) and a deck 14 ft wide.

Who owns Winter Trail Road over North River?

It is owned by the Indian Tribal Government.