US Bridges

River Road over Chena River

Good

Fairbanks North Star Borough, Alaska · Int of Gaffney RD · Structure no. DAPPACWAI0XBRIA

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
262 ft
3 main spans
Daily traffic
1,500
2015 count
Owner
Federal
Army

About this bridge

River Road over Chena River is a steel continuous box beam or girders - single or spread carrying River Road over Chena River in Fairbanks North Star Borough, Alaska. It was built in 1988, so it is 37 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 1,500 vehicles a day, roughly 40% of them trucks, projected to reach 3,000 by 2044. The structure is 262 ft (79.9 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRiver Road
CrossesChena River
LocationInt of Gaffney RD
StateAlaska
Coordinates64.83413, -147.6514
Functional classUrban Local

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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.7 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span180 ft (54.9 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2015)
Projected traffic3,000 by 2044
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Chena River built?

It was built in 1988, making it 37 years old in 2025.

What condition is River Road over 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 2023.

How much traffic does River Road over Chena River carry?

About 1,500 vehicles per day (2015 count), of which roughly 40% are trucks.

How long is River Road over Chena River?

The structure is 262 ft (79.9 m) long with a longest span of 180 ft (54.9 m) and a deck 35 ft wide.

Who owns River Road over Chena River?

It is owned by the Army.