US Bridges

Richardson Highway over Moose Creek Overhead SB

Good

Fairbanks North Star Borough, Alaska · Mile Point 346.9 · Structure no. 2123

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
3,990
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Moose Creek Overhead SB is a prestressed concrete tee beam carrying Richardson Highway over Moose Creek Overhead SB in Fairbanks North Star Borough, Alaska. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,990 vehicles a day, roughly 7% of them trucks, projected to reach 4,985 by 2039. The structure is 80 ft (24.5 m) long and 41 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRichardson Highway
CrossesMoose Creek Overhead SB
LocationMile Point 346.9
RouteInterstate 0A24
StateAlaska
Coordinates64.72276, -147.24516
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating59 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length80 ft (24.5 m)
Longest span78 ft (23.9 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,990 (2020)
Projected traffic4,985 by 2039
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Richardson Highway over Moose Creek Overhead SB built?

It was built in 2014, making it 11 years old in 2025.

What condition is Richardson Highway over Moose Creek Overhead SB 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 Moose Creek Overhead SB carry?

About 3,990 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Richardson Highway over Moose Creek Overhead SB?

The structure is 80 ft (24.5 m) long with a longest span of 78 ft (23.9 m) and a deck 41 ft wide.

Who owns Richardson Highway over Moose Creek Overhead SB?

It is owned by the State Highway Agency.