US Bridges

City Street over Port Wash Narrows

Good

Kitsap County, Washington · 0.6 E JCT SR 303 · Structure no. 0017926A0000000

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,550 ft
7 main spans
Daily traffic
6,537
2011 count
Owner
State
State Highway Agency

About this bridge

City Street over Port Wash Narrows is a prestressed concrete continuous stringer/multi-beam or girder carrying City Street over Port Wash Narrows in Kitsap County, Washington. It was built in 2011, so it is 14 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,537 vehicles a day, roughly 3% of them trucks, projected to reach 10,949 by 2036. The structure is 1,550 ft (472.4 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCity Street
CrossesPort Wash Narrows
Location0.6 E JCT SR 303
RouteCity Street 303
Coordinates47.5693, -122.62327
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length1,550 ft (472.4 m)
Longest span250 ft (76.2 m)
Deck width55 ft (16.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,537 (2011)
Projected traffic10,949 by 2036
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$23.6 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was City Street over Port Wash Narrows built?

It was built in 2011, making it 14 years old in 2025.

What condition is City Street over Port Wash Narrows 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 December 2023.

How much traffic does City Street over Port Wash Narrows carry?

About 6,537 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is City Street over Port Wash Narrows?

The structure is 1,550 ft (472.4 m) long with a longest span of 250 ft (76.2 m) and a deck 55 ft wide.

Who owns City Street over Port Wash Narrows?

It is owned by the State Highway Agency.