US Bridges

Parks Highway over Parks/Chena Ridge NB

Fair

Fairbanks North Star Borough, Alaska · Mile Point 318.5 · Structure no. 1879

Built
1997
28 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
4,605
2020 count
Owner
State
State Highway Agency

About this bridge

Parks Highway over Parks/Chena Ridge NB is a prestressed concrete tee beam carrying Parks Highway over Parks/Chena Ridge NB in Fairbanks North Star Borough, Alaska. It was built in 1997, so it is 28 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,605 vehicles a day, roughly 4% of them trucks, projected to reach 8,800 by 2039. The structure is 107 ft (32.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesParks Highway
CrossesParks/Chena Ridge NB
LocationMile Point 318.5
RouteInterstate 0A45
CountyFairbanks North Star Borough
StateAlaska
Coordinates64.84835, -147.86436
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length107 ft (32.6 m)
Longest span106 ft (32.2 m)
Deck width39 ft (12 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,605 (2020)
Projected traffic8,800 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-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 Parks/Chena Ridge NB built?

It was built in 1997, making it 28 years old in 2025.

What condition is Parks Highway over Parks/Chena Ridge NB in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Parks Highway over Parks/Chena Ridge NB carry?

About 4,605 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Parks Highway over Parks/Chena Ridge NB?

The structure is 107 ft (32.6 m) long with a longest span of 106 ft (32.2 m) and a deck 39 ft wide.

Who owns Parks Highway over Parks/Chena Ridge NB?

It is owned by the State Highway Agency.