US Bridges

Elliott Highway over Chatanika River

Fair

Fairbanks North Star Borough, Alaska · Mile Point 10.5 · Structure no. 0836

Built
1971
54 years old, rebuilt 2019
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
249 ft
3 main spans
Daily traffic
910
2020 count
Owner
State
State Highway Agency

About this bridge

Elliott Highway over Chatanika River is a steel stringer/multi-beam or girder carrying Elliott Highway over Chatanika River in Fairbanks North Star Borough, Alaska. It was built in 1971 and reconstructed in 2019, 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 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 910 vehicles a day, roughly 33% of them trucks, projected to reach 1,820 by 2039. The structure is 249 ft (75.9 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesElliott Highway
CrossesChatanika River
LocationMile Point 10.5
RouteState Highway 65
StateAlaska
Coordinates65.08439, -147.7257
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 rating86.6 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length249 ft (75.9 m)
Longest span82 ft (25 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2020)
Projected traffic1,820 by 2039
Trucks33%
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 Chatanika River built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2019.

What condition is Elliott Highway over Chatanika 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 Chatanika River carry?

About 910 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is Elliott Highway over Chatanika River?

The structure is 249 ft (75.9 m) long with a longest span of 82 ft (25 m) and a deck 37 ft wide.

Who owns Elliott Highway over Chatanika River?

It is owned by the State Highway Agency.