US Bridges

SR 512 over SR 167

Good

Pierce County, Washington · 3.2 E JCT SR 161 · Structure no. 0009831A0000000

Built
1975
50 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
334 ft
4 main spans
Daily traffic
22,135
2023 count
Owner
State
State Highway Agency

About this bridge

SR 512 over SR 167 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 512 over SR 167 in Pierce County, Washington. It was built in 1975, so it is 50 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 22,135 vehicles a day, roughly 9% of them trucks, projected to reach 33,228 by 2039. The structure is 334 ft (101.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 512
CrossesSR 167
Location3.2 E JCT SR 161
RouteState Highway 512
CountyPierce County
StateWashington
Coordinates47.20211, -122.27903
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length334 ft (101.7 m)
Longest span125 ft (38 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,135 (2023)
Projected traffic33,228 by 2039
Trucks9%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 512 over SR 167 built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 512 over SR 167 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 2023.

How much traffic does SR 512 over SR 167 carry?

About 22,135 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 512 over SR 167?

The structure is 334 ft (101.7 m) long with a longest span of 125 ft (38 m) and a deck 41 ft wide.

Who owns SR 512 over SR 167?

It is owned by the State Highway Agency.