US Bridges

Elliott Highway over Tolovana River

Fair

Yukon-Koyukuk Census Area, Alaska · Mile Point 54.6 · Structure no. 0440

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
115 ft
3 main spans
Daily traffic
270
2020 count
Owner
State
State Highway Agency

About this bridge

Elliott Highway over Tolovana River is a steel continuous stringer/multi-beam or girder carrying Elliott Highway over Tolovana River in Yukon-Koyukuk Census Area, Alaska. It was built in 1969, so it is 56 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 5 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 270 vehicles a day, roughly 44% of them trucks, projected to reach 320 by 2039. The structure is 115 ft (35.1 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesElliott Highway
CrossesTolovana River
LocationMile Point 54.6
RouteState Highway 65
StateAlaska
Coordinates65.47117, -148.26896
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating34.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic320 by 2039
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 Tolovana River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Elliott Highway over Tolovana 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 August 2024.

How much traffic does Elliott Highway over Tolovana River carry?

About 270 vehicles per day (2020 count), of which roughly 44% are trucks.

How long is Elliott Highway over Tolovana River?

The structure is 115 ft (35.1 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Elliott Highway over Tolovana River?

It is owned by the State Highway Agency.