US Bridges

SR 512 over Park Ave

Good

Pierce County, Washington · 2.0 E JCT I-5 · Structure no. 0007024C0000000

Built
1963
62 years old, rebuilt 1990
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
67 ft
1 main span
Daily traffic
34,697
2023 count
Owner
State
State Highway Agency

About this bridge

SR 512 over Park Ave is a concrete slab carrying SR 512 over Park Ave in Pierce County, Washington. It was built in 1963 and reconstructed in 1990, so it is 62 years old, older than the Washington average of 49.8 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 34,697 vehicles a day, roughly 8% of them trucks, projected to reach 56,890 by 2039. The structure is 67 ft (20.4 m) long and 152 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 512
CrossesPark Ave
Location2.0 E JCT I-5
RouteState Highway 512
Coordinates47.1583, -122.4388
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span67 ft (20.4 m)
Deck width152 ft (46.2 m)
Roadway width148 ft (45.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,697 (2023)
Projected traffic56,890 by 2039
Trucks8%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 512 over Park Ave built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1990.

What condition is SR 512 over Park Ave 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 April 2024.

How much traffic does SR 512 over Park Ave carry?

About 34,697 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 512 over Park Ave?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.4 m) and a deck 152 ft wide.

Who owns SR 512 over Park Ave?

It is owned by the State Highway Agency.