US Bridges

SR 305 over Puget Sound @ Eagle Hrbr

Good

Kitsap County, Washington · Bainbridge Island · Structure no. 0012791A0000000

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
498 ft
16 main spans
Daily traffic
9,000
2010 count
Owner
State
State Highway Agency

About this bridge

SR 305 over Puget Sound @ Eagle Hrbr is a concrete slab carrying SR 305 over Puget Sound @ Eagle Hrbr in Kitsap County, Washington. It was built in 1984, so it is 41 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 9,000 vehicles a day, roughly 1% of them trucks, projected to reach 15,318 by 2036. The structure is 498 ft (151.8 m) long and 22 ft wide.

CarriesSR 305
CrossesPuget Sound @ Eagle Hrbr
LocationBainbridge Island
RouteState Highway 305
Coordinates47.62333, -122.50833
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating26 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans16
Design loadHS 20 + Mod
Structure length498 ft (151.8 m)
Longest span31 ft (9.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2010)
Projected traffic15,318 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-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$6.2 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 1984, making it 41 years old in 2025.

What condition is SR 305 over Puget Sound @ Eagle Hrbr 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 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 498 ft (151.8 m) long with a longest span of 31 ft (9.4 m) and a deck 22 ft wide.

Who owns SR 305 over Puget Sound @ Eagle Hrbr?

It is owned by the State Highway Agency.