US Bridges

SR 167 over 84th Ave South

Fair

King County, Washington · 1.7 N JCT SR 516 · Structure no. 0008114I0000000

Built
1967
58 years old, rebuilt 1998
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
3 main spans
Daily traffic
53,546
2023 count
Owner
State
State Highway Agency

About this bridge

SR 167 over 84th Ave South is a prestressed concrete stringer/multi-beam or girder carrying SR 167 over 84th Ave South 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 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 53,546 vehicles a day, roughly 7% of them trucks, projected to reach 74,944 by 2039. The structure is 229 ft (69.8 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 167
Crosses84th Ave South
Location1.7 N JCT SR 516
RouteState Highway 167
CountyKing County
StateWashington
Coordinates47.39825, -122.22839
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span92 ft (28 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,546 (2023)
Projected traffic74,944 by 2039
Trucks7%
Lanes on structure3
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$6.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 167 over 84th Ave South built?

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

What condition is SR 167 over 84th Ave South 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 July 2024.

How much traffic does SR 167 over 84th Ave South carry?

About 53,546 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 167 over 84th Ave South?

The structure is 229 ft (69.8 m) long with a longest span of 92 ft (28 m) and a deck 57 ft wide.

Who owns SR 167 over 84th Ave South?

It is owned by the State Highway Agency.