US Bridges

Richardson Highway over Shaw Creek

Good

Southeast Fairbanks Census Area, Alaska · Mile Point 289.0 · Structure no. 0525

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
1,000
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Shaw Creek is a prestressed concrete tee beam carrying Richardson Highway over Shaw Creek in Southeast Fairbanks Census Area, Alaska. It was built in 2011, so it is 14 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 1,000 vehicles a day, roughly 18% of them trucks, projected to reach 1,190 by 2039. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRichardson Highway
CrossesShaw Creek
LocationMile Point 289.0
RouteInterstate 0A23
StateAlaska
Coordinates64.26014, -146.10782
Functional classRural 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,190 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Richardson Highway over Shaw Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Richardson Highway over Shaw Creek 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 Shaw Creek carry?

About 1,000 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is Richardson Highway over Shaw Creek?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Richardson Highway over Shaw Creek?

It is owned by the State Highway Agency.