US Bridges

Chena Hot Spr RD over Little Chena River

Fair

Fairbanks North Star Borough, Alaska · Mile Point 11.8 · Structure no. 0270

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
3 main spans
Daily traffic
1,850
2020 count
Owner
State
State Highway Agency

About this bridge

Chena Hot Spr RD over Little Chena River is a steel stringer/multi-beam or girder carrying Chena Hot Spr RD over Little Chena River in Fairbanks North Star Borough, Alaska. It was built in 1965, so it is 60 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 1,850 vehicles a day, roughly 9% of them trucks, projected to reach 2,150 by 2039. The structure is 123 ft (37.5 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChena Hot Spr RD
CrossesLittle Chena River
LocationMile Point 11.8
RouteState Highway 650
StateAlaska
Coordinates64.88546, -147.24982
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2020)
Projected traffic2,150 by 2039
Trucks9%
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 Chena Hot Spr RD over Little Chena River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Chena Hot Spr RD over Little Chena 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 Chena Hot Spr RD over Little Chena River carry?

About 1,850 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Chena Hot Spr RD over Little Chena River?

The structure is 123 ft (37.5 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Chena Hot Spr RD over Little Chena River?

It is owned by the State Highway Agency.