US Bridges

SR307 over Dogfish Creek

Good

Kitsap County, Washington · 0.1 N JCT SR 305 · Structure no. 0017164A0000000

Built
2007
18 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
20,007
2023 count
Owner
State
State Highway Agency

About this bridge

SR307 over Dogfish Creek is a concrete culvert carrying SR307 over Dogfish Creek in Kitsap County, Washington. It was built in 2007, so it is 18 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 20,007 vehicles a day, roughly 4% of them trucks, projected to reach 26,809 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesSR307
CrossesDogfish Creek
Location0.1 N JCT SR 305
RouteState Highway 307
Coordinates47.75261, -122.64431
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,007 (2023)
Projected traffic26,809 by 2039
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$732,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR307 over Dogfish Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR307 over Dogfish 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 April 2022.

How much traffic does SR307 over Dogfish Creek carry?

About 20,007 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR307 over Dogfish Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns SR307 over Dogfish Creek?

It is owned by the State Highway Agency.