US Bridges

Tok Cutoff over Little Tok River

Fair

County 066, Alaska · Mile Point 96.0 · Structure no. 1092

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
3 main spans
Daily traffic
280
2020 count
Owner
State
State Highway Agency

About this bridge

Tok Cutoff over Little Tok River is a steel stringer/multi-beam or girder carrying Tok Cutoff over Little Tok River in County 066, 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 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 280 vehicles a day, roughly 21% of them trucks, projected to reach 370 by 2039. The structure is 136 ft (41.5 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTok Cutoff
CrossesLittle Tok River
LocationMile Point 96.0
RouteInterstate 0A12
StateAlaska
Coordinates63.045, -143.36944
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span45 ft (13.7 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic370 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Tok Cutoff over Little Tok River built?

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

What condition is Tok Cutoff over Little Tok 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 July 2023.

How much traffic does Tok Cutoff over Little Tok River carry?

About 280 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is Tok Cutoff over Little Tok River?

The structure is 136 ft (41.5 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.

Who owns Tok Cutoff over Little Tok River?

It is owned by the State Highway Agency.