US Bridges

Irr:nome-Teller RD over Sinuk River

Poor

Nome Census Area, Alaska · Mile Point 26.0 · Structure no. 0300

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

About this bridge

Irr:nome-Teller RD over Sinuk River is a steel stringer/multi-beam or girder carrying Irr:nome-Teller RD over Sinuk 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, roughly 8% of them trucks, projected to reach 30 by 2039. The structure is 361 ft (109.9 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesIrr:nome-Teller RD
CrossesSinuk River
LocationMile Point 26.0
RouteState Highway 131
CountyNome Census Area
StateAlaska
Coordinates64.71839, -165.92163
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length361 ft (109.9 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 Sinuk River built?

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

What condition is Irr:nome-Teller RD over Sinuk River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

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

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

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

The structure is 361 ft (109.9 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 Sinuk River?

It is owned by the State Highway Agency.