US Bridges

15th ST SW over SR 167

Good

King County, Washington · 2.3 N Pierce CO · Structure no. 0009236A0000000

Built
1975
50 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
369 ft
4 main spans
Daily traffic
25,000
2013 count
Owner
State
State Highway Agency

About this bridge

15th ST SW over SR 167 is a concrete continuous box beam or girders - multiple carrying 15th ST SW over SR 167 in King 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 25,000 vehicles a day, roughly 5% of them trucks. The structure is 369 ft (112.5 m) long and 103 ft wide.

Carries15th ST SW
CrossesSR 167
Location2.3 N Pierce CO
RouteCity Street 0
Coordinates47.29569, -122.25778
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length369 ft (112.5 m)
Longest span146 ft (44.5 m)
Deck width103 ft (31.5 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2013)
Projected traffic—
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$15.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 15th ST SW over SR 167 built?

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

What condition is 15th ST SW 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 February 2023.

How much traffic does 15th ST SW over SR 167 carry?

About 25,000 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is 15th ST SW over SR 167?

The structure is 369 ft (112.5 m) long with a longest span of 146 ft (44.5 m) and a deck 103 ft wide.

Who owns 15th ST SW over SR 167?

It is owned by the State Highway Agency.