US Bridges

SR 305 over Puget Sound @ Eagle Hrbr

Fair

Kitsap County, Washington · Bainbridge Island · Structure no. 0014513A0000000

Built
1972
53 years old, rebuilt 1994
Condition
Fair
inspected May 2023
Type
Movable - Lift
Steel
Length
105 ft
1 main span
Daily traffic
9,000
2010 count
Owner
State
State Highway Agency

About this bridge

SR 305 over Puget Sound @ Eagle Hrbr is a steel movable - lift carrying SR 305 over Puget Sound @ Eagle Hrbr in Kitsap County, Washington. It was built in 1972 and reconstructed in 1994, so it is 53 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 6 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 9,000 vehicles a day, roughly 1% of them trucks, projected to reach 15,318 by 2036. The structure is 105 ft (32 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesSR 305
CrossesPuget Sound @ Eagle Hrbr
LocationBainbridge Island
RouteState Highway 305
CountyKitsap County
StateWashington
Coordinates47.62333, -122.50833
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic9,000 (2010)
Projected traffic15,318 by 2036
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 305 over Puget Sound @ Eagle Hrbr built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1994.

What condition is SR 305 over Puget Sound @ Eagle Hrbr 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 May 2023.

How much traffic does SR 305 over Puget Sound @ Eagle Hrbr carry?

About 9,000 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is SR 305 over Puget Sound @ Eagle Hrbr?

The structure is 105 ft (32 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns SR 305 over Puget Sound @ Eagle Hrbr?

It is owned by the State Highway Agency.