US Bridges

SR 305 over Murden Creek

Good

Kitsap County, Washington · 2.4 N Bainbridge F/T · Structure no. 0019774A0000000

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
8,377
2023 count
Owner
State
State Highway Agency

About this bridge

SR 305 over Murden Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 305 over Murden Creek in Kitsap County, Washington. It was built in 2023, so it is 2 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 8,377 vehicles a day, roughly 5% of them trucks, projected to reach 29,900 by 2039. The structure is 117 ft (35.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 305
CrossesMurden Creek
Location2.4 N Bainbridge F/T
RouteState Highway 305
CountyKitsap County
StateWashington
Coordinates47.65528, -122.52333
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length117 ft (35.7 m)
Longest span112 ft (34.1 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,377 (2023)
Projected traffic29,900 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 305 over Murden Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 305 over Murden 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 October 2023.

How much traffic does SR 305 over Murden Creek carry?

About 8,377 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 305 over Murden Creek?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34.1 m) and a deck 58 ft wide.

Who owns SR 305 over Murden Creek?

It is owned by the State Highway Agency.