US Bridges

Richardson Highway over Dawson Road Uc

Good

Fairbanks North Star Borough, Alaska · Mile Point 348.8 · Structure no. 2147

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
8,690
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Dawson Road Uc is a prestressed concrete tee beam carrying Richardson Highway over Dawson Road Uc in Fairbanks North Star Borough, Alaska. It was built in 2008, so it is 17 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 8,690 vehicles a day, roughly 7% of them trucks, projected to reach 10,400 by 2039. The structure is 131 ft (39.9 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRichardson Highway
CrossesDawson Road Uc
LocationMile Point 348.8
RouteInterstate 0A24
StateAlaska
Coordinates64.74305, -147.30949
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.7 US tons
Inventory rating44.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length131 ft (39.9 m)
Longest span128 ft (39.1 m)
Deck width81 ft (24.8 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,690 (2020)
Projected traffic10,400 by 2039
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Richardson Highway over Dawson Road Uc built?

It was built in 2008, making it 17 years old in 2025.

What condition is Richardson Highway over Dawson Road Uc 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 July 2024.

How much traffic does Richardson Highway over Dawson Road Uc carry?

About 8,690 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Richardson Highway over Dawson Road Uc?

The structure is 131 ft (39.9 m) long with a longest span of 128 ft (39.1 m) and a deck 81 ft wide.

Who owns Richardson Highway over Dawson Road Uc?

It is owned by the State Highway Agency.