US Bridges

Parks Highway over Cushman ST Uc

Good

Fairbanks North Star Borough, Alaska · Mile Point 323.7 · Structure no. 1705

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
13,700
2020 count
Owner
State
State Highway Agency

About this bridge

Parks Highway over Cushman ST Uc is a prestressed concrete tee beam carrying Parks Highway over Cushman ST Uc in Fairbanks North Star Borough, Alaska. It was built in 1988, so it is 37 years old, older 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 13,700 vehicles a day, roughly 8% of them trucks, projected to reach 17,500 by 2039. The structure is 106 ft (32.4 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesParks Highway
CrossesCushman ST Uc
LocationMile Point 323.7
RouteInterstate 0A44
StateAlaska
Coordinates64.82045, -147.71098
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating42.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length106 ft (32.4 m)
Longest span104 ft (31.8 m)
Deck width77 ft (23.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2020)
Projected traffic17,500 by 2039
Trucks8%
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 Parks Highway over Cushman ST Uc built?

It was built in 1988, making it 37 years old in 2025.

What condition is Parks Highway over Cushman ST 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 Parks Highway over Cushman ST Uc carry?

About 13,700 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Parks Highway over Cushman ST Uc?

The structure is 106 ft (32.4 m) long with a longest span of 104 ft (31.8 m) and a deck 77 ft wide.

Who owns Parks Highway over Cushman ST Uc?

It is owned by the State Highway Agency.