US Bridges

Chena Hot Spr RD over North Fork Chena River

Good

Fairbanks North Star Borough, Alaska · Mile Point 37.1 · Structure no. 4058

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
2,229
2018 count
Owner
State
State Highway Agency

About this bridge

Chena Hot Spr RD over North Fork Chena River is a steel culvert carrying Chena Hot Spr RD over North Fork Chena River in Fairbanks North Star Borough, Alaska. It was built in 2003, so it is 22 years old, younger 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 2,229 vehicles a day, roughly 5% of them trucks, projected to reach 2,400 by 2035. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChena Hot Spr RD
CrossesNorth Fork Chena River
LocationMile Point 37.1
RouteState Highway 650
StateAlaska
Coordinates64.90032, -146.43372
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,229 (2018)
Projected traffic2,400 by 2035
Trucks5%
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 North Fork Chena River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Chena Hot Spr RD over North Fork Chena 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 Chena Hot Spr RD over North Fork Chena River carry?

About 2,229 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Chena Hot Spr RD over North Fork Chena River?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns Chena Hot Spr RD over North Fork Chena River?

It is owned by the State Highway Agency.