US Bridges

Richardson Highway over Rich HWY Oh MP 359 NB

Good

Fairbanks North Star Borough, Alaska · Mile Point 360.8 · Structure no. 2367

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
16,900
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Rich HWY Oh MP 359 NB is a prestressed concrete tee beam carrying Richardson Highway over Rich HWY Oh MP 359 NB in Fairbanks North Star Borough, Alaska. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,900 vehicles a day, roughly 7% of them trucks, projected to reach 34,600 by 2039. The structure is 83 ft (25.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRichardson Highway
CrossesRich HWY Oh MP 359 NB
LocationMile Point 360.8
RouteInterstate 0A24
StateAlaska
Coordinates64.81606, -147.64414
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating73.2 US tons
Inventory rating62.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span79 ft (24.1 m)
Deck width52 ft (15.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2020)
Projected traffic34,600 by 2039
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Rich HWY Oh MP 359 NB built?

It was built in 2023, making it 2 years old in 2025.

What condition is Richardson Highway over Rich HWY Oh MP 359 NB 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 Rich HWY Oh MP 359 NB carry?

About 16,900 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Richardson Highway over Rich HWY Oh MP 359 NB?

The structure is 83 ft (25.3 m) long with a longest span of 79 ft (24.1 m) and a deck 52 ft wide.

Who owns Richardson Highway over Rich HWY Oh MP 359 NB?

It is owned by the State Highway Agency.