US Bridges

Irr:jafet Drive over Snake River

Good

Nome Census Area, Alaska · Mile Point 0.1 · Structure no. 0881

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
318 ft
3 main spans
Daily traffic
1,000
2020 count
Owner
State
State Highway Agency

About this bridge

Irr:jafet Drive over Snake River is a prestressed concrete tee beam carrying Irr:jafet Drive over Snake River in Nome Census Area, Alaska. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,220 by 2039. The structure is 318 ft (96.9 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIrr:jafet Drive
CrossesSnake River
LocationMile Point 0.1
RouteState Highway 0
StateAlaska
Coordinates64.50546, -165.42432
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHL 93
Structure length318 ft (96.9 m)
Longest span106 ft (32.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,220 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:jafet Drive over Snake River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Irr:jafet Drive over Snake 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:jafet Drive over Snake River carry?

About 1,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Irr:jafet Drive over Snake River?

The structure is 318 ft (96.9 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.

Who owns Irr:jafet Drive over Snake River?

It is owned by the State Highway Agency.