US Bridges

Tok Cutoff over Tok River Overflow

Good

Southeast Fairbanks Census Area, Alaska · Mile Point 102.2 · Structure no. 4106

Built
1963
62 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
330
2020 count
Owner
State
State Highway Agency

About this bridge

Tok Cutoff over Tok River Overflow is a steel culvert carrying Tok Cutoff over Tok River Overflow in Southeast Fairbanks Census Area, Alaska. It was built in 1963, so it is 62 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 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 330 vehicles a day, roughly 19% of them trucks, projected to reach 490 by 2039. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTok Cutoff
CrossesTok River Overflow
LocationMile Point 102.2
RouteInterstate 0A12
StateAlaska
Coordinates63.11833, -143.30722
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating90.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length28 ft (8.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 Overflow built?

It was built in 1963, making it 62 years old in 2025.

What condition is Tok Cutoff over Tok River Overflow 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 Overflow carry?

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

How long is Tok Cutoff over Tok River Overflow?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.5 m).

Who owns Tok Cutoff over Tok River Overflow?

It is owned by the State Highway Agency.