US Bridges

Parks HWY NB Ramp over Wasilla CR NB Ramp

Good

Matanuska-Susitna Borough, Alaska · Mile Point 0.1 · Structure no. 2036

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
1,190
2020 count
Owner
State
State Highway Agency

About this bridge

Parks HWY NB Ramp over Wasilla CR NB Ramp is a prestressed concrete tee beam carrying Parks HWY NB Ramp over Wasilla CR NB Ramp in Matanuska-Susitna Borough, Alaska. It was built in 2002, so it is 23 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 1,190 vehicles a day, roughly 5% of them trucks, projected to reach 1,780 by 2039. The structure is 117 ft (35.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesParks HWY NB Ramp
CrossesWasilla CR NB Ramp
LocationMile Point 0.1
RouteState Highway 0
CountyMatanuska-Susitna Borough
StateAlaska
Coordinates61.56848, -149.31419
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length117 ft (35.7 m)
Longest span112 ft (34.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,190 (2020)
Projected traffic1,780 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Parks HWY NB Ramp over Wasilla CR NB Ramp built?

It was built in 2002, making it 23 years old in 2025.

What condition is Parks HWY NB Ramp over Wasilla CR NB Ramp 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 June 2024.

How much traffic does Parks HWY NB Ramp over Wasilla CR NB Ramp carry?

About 1,190 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Parks HWY NB Ramp over Wasilla CR NB Ramp?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34.2 m) and a deck 27 ft wide.

Who owns Parks HWY NB Ramp over Wasilla CR NB Ramp?

It is owned by the State Highway Agency.