US Bridges

W Dravus ST over 15th Ave W

Fair

King County, Washington · W Dravus ST & 15th Ave W · Structure no. 085198000000000

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
116 ft
2 main spans
Daily traffic
21,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Dravus ST over 15th Ave W is a concrete continuous tee beam carrying W Dravus ST over 15th Ave W in King County, Washington. It was built in 1959, so it is 66 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 21,000 vehicles a day, roughly 5% of them trucks, projected to reach 26,000 by 2040. The structure is 116 ft (35.4 m) long and 60 ft wide.

CarriesW Dravus ST
Crosses15th Ave W
LocationW Dravus ST & 15th Ave W
RouteCity Street 1140
Coordinates47.64847, -122.37646
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating16 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span57 ft (17.4 m)
Deck width60 ft (18.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2020)
Projected traffic26,000 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was W Dravus ST over 15th Ave W built?

It was built in 1959, making it 66 years old in 2025.

What condition is W Dravus ST over 15th Ave W 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 2024.

How much traffic does W Dravus ST over 15th Ave W carry?

About 21,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is W Dravus ST over 15th Ave W?

The structure is 116 ft (35.4 m) long with a longest span of 57 ft (17.4 m) and a deck 60 ft wide.

Who owns W Dravus ST over 15th Ave W?

It is owned by the City or Municipal Highway Agency.