US Bridges

Irr:nome-Teller RD over Feather River

Good

Nome Census Area, Alaska · Mile Point 36.4 · Structure no. 0421

Built
1967
58 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
20
2020 count
Owner
State
State Highway Agency

About this bridge

Irr:nome-Teller RD over Feather River is a steel stringer/multi-beam or girder carrying Irr:nome-Teller RD over Feather River in Nome Census Area, Alaska. It was built in 1967, so it is 58 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 20 vehicles a day, roughly 8% of them trucks, projected to reach 30 by 2039. The structure is 180 ft (55 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIrr:nome-Teller RD
CrossesFeather River
LocationMile Point 36.4
RouteState Highway 131
StateAlaska
Coordinates64.82946, -166.0872
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length180 ft (55 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic30 by 2039
Trucks8%
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 Irr:nome-Teller RD over Feather River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Irr:nome-Teller RD over Feather 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 August 2024.

How much traffic does Irr:nome-Teller RD over Feather River carry?

About 20 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Irr:nome-Teller RD over Feather River?

The structure is 180 ft (55 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Irr:nome-Teller RD over Feather River?

It is owned by the State Highway Agency.