US Bridges

Elliott Highway over West Fork Tolovana River

Good

Yukon-Koyukuk Census Area, Alaska · Mile Point 69.8 · Structure no. 0325

Built
1971
54 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
3 main spans
Daily traffic
70
2020 count
Owner
State
State Highway Agency

About this bridge

Elliott Highway over West Fork Tolovana River is a steel stringer/multi-beam or girder carrying Elliott Highway over West Fork Tolovana River in Yukon-Koyukuk Census Area, Alaska. It was built in 1971, so it is 54 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 17% of them trucks, projected to reach 90 by 2039. The structure is 200 ft (61.1 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesElliott Highway
CrossesWest Fork Tolovana River
LocationMile Point 69.8
RouteState Highway 680
StateAlaska
Coordinates65.46668, -148.66864
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating32.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length200 ft (61.1 m)
Longest span66 ft (20.1 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic90 by 2039
Trucks17%
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 Elliott Highway over West Fork Tolovana River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Elliott Highway over West Fork Tolovana 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 Elliott Highway over West Fork Tolovana River carry?

About 70 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Elliott Highway over West Fork Tolovana River?

The structure is 200 ft (61.1 m) long with a longest span of 66 ft (20.1 m) and a deck 29 ft wide.

Who owns Elliott Highway over West Fork Tolovana River?

It is owned by the State Highway Agency.