US Bridges

Tok Cutoff over Tok River

Good

County 066, Alaska · Mile Point 101.5 · Structure no. 0663

Built
2016
9 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
336 ft
3 main spans
Daily traffic
330
2020 count
Owner
State
State Highway Agency

About this bridge

Tok Cutoff over Tok River is a prestressed concrete tee beam carrying Tok Cutoff over Tok River in County 066, Alaska. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 330 vehicles a day, roughly 19% of them trucks, projected to reach 490 by 2039. The structure is 336 ft (102.4 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTok Cutoff
CrossesTok River
LocationMile Point 101.5
RouteInterstate 0A12
StateAlaska
Coordinates63.10917, -143.29444
Functional classRural Principal Arterial - Interstate

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating60.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHL 93
Structure length336 ft (102.4 m)
Longest span112 ft (34.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic490 by 2039
Trucks19%
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 Tok River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Tok Cutoff over Tok 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 July 2023.

How much traffic does Tok Cutoff over Tok River carry?

About 330 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is Tok Cutoff over Tok River?

The structure is 336 ft (102.4 m) long with a longest span of 112 ft (34.1 m) and a deck 39 ft wide.

Who owns Tok Cutoff over Tok River?

It is owned by the State Highway Agency.