US Bridges

Richardson Highway over Banner Creek

Good

Fairbanks North Star Borough, Alaska · Mile Point 297.4 · Structure no. 0526

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
185 ft
2 main spans
Daily traffic
1,000
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Banner Creek is a prestressed concrete tee beam carrying Richardson Highway over Banner Creek in Fairbanks North Star Borough, Alaska. It was built in 2016, so it is 9 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 185 ft (56.4 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRichardson Highway
CrossesBanner Creek
LocationMile Point 297.4
RouteInterstate 0A23
StateAlaska
Coordinates64.28923, -146.35194
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 protection9 ExcellentNo 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHL 93
Structure length185 ft (56.4 m)
Longest span91 ft (27.7 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.7 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Richardson Highway over Banner Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Richardson Highway over Banner 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 Banner Creek carry?

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

How long is Richardson Highway over Banner Creek?

The structure is 185 ft (56.4 m) long with a longest span of 91 ft (27.7 m) and a deck 45 ft wide.

Who owns Richardson Highway over Banner Creek?

It is owned by the State Highway Agency.