US Bridges

Parks-Ak HWY Ramp over E-N Loop Ramp

Fair

Fairbanks North Star Borough, Alaska · Mile Point 0.1 · Structure no. 1912

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
173 ft
2 main spans
Daily traffic
1,070
2020 count
Owner
State
State Highway Agency

About this bridge

Parks-Ak HWY Ramp over E-N Loop Ramp is a prestressed concrete tee beam carrying Parks-Ak HWY Ramp over E-N Loop Ramp in Fairbanks North Star Borough, Alaska. It was built in 1994, so it is 31 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 1,070 vehicles a day, roughly 7% of them trucks, projected to reach 1,280 by 2039. The structure is 173 ft (52.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesParks-Ak HWY Ramp
CrossesE-N Loop Ramp
LocationMile Point 0.1
RouteState Highway 0A21
CountyFairbanks North Star Borough
StateAlaska
Coordinates64.82101, -147.70519
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.1 US tons
Inventory rating41.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20 + Mod
Structure length173 ft (52.6 m)
Longest span89 ft (27 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,070 (2020)
Projected traffic1,280 by 2039
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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-Ak HWY Ramp over E-N Loop Ramp built?

It was built in 1994, making it 31 years old in 2025.

What condition is Parks-Ak HWY Ramp over E-N Loop Ramp 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-Ak HWY Ramp over E-N Loop Ramp carry?

About 1,070 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Parks-Ak HWY Ramp over E-N Loop Ramp?

The structure is 173 ft (52.6 m) long with a longest span of 89 ft (27 m) and a deck 25 ft wide.

Who owns Parks-Ak HWY Ramp over E-N Loop Ramp?

It is owned by the State Highway Agency.