US Bridges

SR 304 W-S Ramp over SR 3

Good

Kitsap County, Washington · JCT SR 3 · Structure no. 0013652A0000000

Built
1991
34 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
319 ft
2 main spans
Daily traffic
13,393
2023 count
Owner
State
State Highway Agency

About this bridge

SR 304 W-S Ramp over SR 3 is a prestressed concrete continuous box beam or girders - multiple carrying SR 304 W-S Ramp over SR 3 in Kitsap County, Washington. It was built in 1991, so it is 34 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 13,393 vehicles a day, roughly 3% of them trucks, projected to reach 19,132 by 2039. The structure is 319 ft (97.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 304 W-S Ramp
CrossesSR 3
LocationJCT SR 3
RouteState Highway 304
CountyKitsap County
StateWashington
Coordinates47.54819, -122.67125
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating56 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length319 ft (97.2 m)
Longest span166 ft (50.6 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,393 (2023)
Projected traffic19,132 by 2039
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$6.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 304 W-S Ramp over SR 3 built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 304 W-S Ramp over SR 3 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 February 2024.

How much traffic does SR 304 W-S Ramp over SR 3 carry?

About 13,393 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 304 W-S Ramp over SR 3?

The structure is 319 ft (97.2 m) long with a longest span of 166 ft (50.6 m) and a deck 42 ft wide.

Who owns SR 304 W-S Ramp over SR 3?

It is owned by the State Highway Agency.