US Bridges

Parks Highway over Wasilla CR Southbound

Fair

Matanuska-Susitna Borough, Alaska · Mile Point 2.6 · Structure no. 2031

Built
2002
23 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
13,200
2020 count
Owner
State
State Highway Agency

About this bridge

Parks Highway over Wasilla CR Southbound is a prestressed concrete tee beam carrying Parks Highway over Wasilla CR Southbound 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 fair condition with a lowest component rating of 6 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 13,200 vehicles a day, roughly 5% of them trucks, projected to reach 15,300 by 2039. The structure is 85 ft (26 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesParks Highway
CrossesWasilla CR Southbound
LocationMile Point 2.6
RouteInterstate 0A41
StateAlaska
Coordinates61.56781, -149.31388
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating53.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length85 ft (26 m)
Longest span80 ft (24.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2020)
Projected traffic15,300 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Parks Highway over Wasilla CR Southbound built?

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

What condition is Parks Highway over Wasilla CR Southbound 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 June 2024.

How much traffic does Parks Highway over Wasilla CR Southbound carry?

About 13,200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Parks Highway over Wasilla CR Southbound?

The structure is 85 ft (26 m) long with a longest span of 80 ft (24.5 m) and a deck 40 ft wide.

Who owns Parks Highway over Wasilla CR Southbound?

It is owned by the State Highway Agency.