US Bridges

11th Street over Wycoff Avenue

Fair

Kitsap County, Washington · 00.10 MI E JCT SR 3 · Structure no. 085224000000000

Built
1963
62 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
19,840
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

11th Street over Wycoff Avenue is a prestressed concrete stringer/multi-beam or girder carrying 11th Street over Wycoff Avenue in Kitsap County, Washington. It was built in 1963, so it is 62 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 19,840 vehicles a day, roughly 8% of them trucks, projected to reach 21,700 by 2040. The structure is 64 ft (19.5 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries11th Street
CrossesWycoff Avenue
Location00.10 MI E JCT SR 3
RouteCity Street 2152
Coordinates47.57186, -122.65503
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span56 ft (17.1 m)
Deck width64 ft (19.6 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,840 (2017)
Projected traffic21,700 by 2040
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 11th Street over Wycoff Avenue built?

It was built in 1963, making it 62 years old in 2025.

What condition is 11th Street over Wycoff Avenue 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 December 2023.

How much traffic does 11th Street over Wycoff Avenue carry?

About 19,840 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is 11th Street over Wycoff Avenue?

The structure is 64 ft (19.5 m) long with a longest span of 56 ft (17.1 m) and a deck 64 ft wide.

Who owns 11th Street over Wycoff Avenue?

It is owned by the City or Municipal Highway Agency.