US Bridges

SR 167 over Np RY

Fair

King County, Washington · 1.4 N JCT SR 516 · Structure no. 0008175F0000000

Built
1967
58 years old, rebuilt 1998
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
314 ft
3 main spans
Daily traffic
61,426
2023 count
Owner
State
State Highway Agency

About this bridge

SR 167 over Np RY is a steel continuous stringer/multi-beam or girder carrying SR 167 over Np RY in King County, Washington. It was built in 1967 and reconstructed in 1998, so it is 58 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 61,426 vehicles a day, roughly 7% of them trucks, projected to reach 85,627 by 2039. The structure is 314 ft (95.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 167
CrossesNp RY
Location1.4 N JCT SR 516
RouteState Highway 167
Coordinates47.39517, -122.23327
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length314 ft (95.7 m)
Longest span138 ft (42.1 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,426 (2023)
Projected traffic85,627 by 2039
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$8.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 167 over Np RY built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.

What condition is SR 167 over Np RY 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 May 2023.

How much traffic does SR 167 over Np RY carry?

About 61,426 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 167 over Np RY?

The structure is 314 ft (95.7 m) long with a longest span of 138 ft (42.1 m) and a deck 52 ft wide.

Who owns SR 167 over Np RY?

It is owned by the State Highway Agency.