US Bridges

SR 167 SB Hov over SR 18

Good

King County, Washington · 2.8 N Pierce CO · Structure no. 0018665A0000000

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
311 ft
2 main spans
Daily traffic
8,847
2023 count
Owner
State
State Highway Agency

About this bridge

SR 167 SB Hov over SR 18 is a prestressed concrete stringer/multi-beam or girder carrying SR 167 SB Hov over SR 18 in King County, Washington. It was built in 2016, so it is 9 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,847 vehicles a day, roughly 3% of them trucks, projected to reach 62,716 by 2039. The structure is 311 ft (94.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 167 SB Hov
CrossesSR 18
Location2.8 N Pierce CO
RouteState Highway 167
CountyKing County
StateWashington
Coordinates47.30197, -122.253
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length311 ft (94.8 m)
Longest span184 ft (56.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,847 (2023)
Projected traffic62,716 by 2039
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll 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$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 167 SB Hov over SR 18 built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 167 SB Hov over SR 18 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 October 2024.

How much traffic does SR 167 SB Hov over SR 18 carry?

About 8,847 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 167 SB Hov over SR 18?

The structure is 311 ft (94.8 m) long with a longest span of 184 ft (56.1 m) and a deck 27 ft wide.

Who owns SR 167 SB Hov over SR 18?

It is owned by the State Highway Agency.