US Bridges

SR 169 over Ravensdale Creek

Good

King County, Washington · 10.0 N JCT SR 164 · Structure no. 0019698A0000000

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
14,429
2023 count
Owner
State
State Highway Agency

About this bridge

SR 169 over Ravensdale Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 169 over Ravensdale Creek in King County, Washington. It was built in 2022, so it is 3 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 14,429 vehicles a day, roughly 9% of them trucks, projected to reach 20,304 by 2039. The structure is 121 ft (36.9 m) long and 53 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 169
CrossesRavensdale Creek
Location10.0 N JCT SR 164
RouteState Highway 169
Coordinates47.34006, -122.01781
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length121 ft (36.9 m)
Longest span116 ft (35.4 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,429 (2023)
Projected traffic20,304 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free 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 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 169 over Ravensdale Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR 169 over Ravensdale Creek 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 169 over Ravensdale Creek carry?

About 14,429 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 169 over Ravensdale Creek?

The structure is 121 ft (36.9 m) long with a longest span of 116 ft (35.4 m) and a deck 53 ft wide.

Who owns SR 169 over Ravensdale Creek?

It is owned by the State Highway Agency.