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Sinclair Inlet Bridge


Photo taken by Dennis Jemberg

License: Creative Commons Attribution (CC BY)

View this photo on Flickr

BH Photo #280091



Through truss bridge over Sinclair Inlet on WA 304 in Bremerton
Bremerton, Kitsap County, Washington
Open to traffic
Built 1961; rehabilitated 1997
Warren pony truss
Length of largest span: 89.9 ft.
Total length: 105.0 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+47.56206, -122.62465   (decimal degrees)
47°33'43" N, 122°37'29" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/528235/5267695 (zone/easting/northing)
Quadrangle map:
Bremerton East
Average daily traffic (as of 2010)
Inventory number
BH 34350 (Bridgehunter.com ID)
Inspection report (as of May 2017)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 57.4 (out of 100)
View more at BridgeReports.com

Update Log 

  • March 22, 2014: Photo imported by Luke Harden
  • August 18, 2010: Updated by Matthew Lohry: Adjusted GPS, total length, and rehab date to match NBI


  • Matt Lohry
  • K. A. Erickson


Sinclair Inlet Bridge
Posted March 22, 2014, by Bill Nelson (dukbil [at] aol [dot] com)

This is a ramp for the state ferry dock. It probably does qualify to be classified as a bridge.

But you only want to use it when there is a ferry is docked at the other end.

Sinclair Inlet Bridge
Posted August 18, 2010, by Matthew Lohry

The Google Earth aerial view shows a truss bridge (it appears to be a Warren pony truss, rather than a through truss)just off of the ferry dock. It is a loading ramp, as one end terminates at the water's edge. I'm not 100 percent certain that this is the bridge, but the ruler on Google Earth matches the dimensions for length and width shown in the NBI listing. The listing on BH for these dimensions does not match the NBI, and the NBI listing that says is listed on the website appears to have the correct dimensions. I have adjusted the map location so that whoever may can turn on the satellite view and judge for themselves.

Sinclair Inlet Bridge
Posted August 18, 2010, by Michael Goff (michael [dot] goff [at] odot [dot] state [dot] or [dot] us)

I am not positive, but I believe the NBI structure posted at the "Sinclair Inlet Bridge" is just a bridge at the ferry terminal. Similar to what K. A. Erickson stated.

When I was in the NBI training course, there was a group of bridge inspectors from Alaska that specialized in the maintenance and inspection of the bridges/piers for the ferry system up there.

Sinclair Inlet Bridge does not exist
Posted August 17, 2010, by Adam Brockus, PE (citycouncil [at] ci [dot] bremeron [dot] wa [dot] us)

I'm afraid you might have been fooled by this one. There is currently no bridge crossing the Sinclair Inlet from Downtown Bremerton. If we did, the Carriers would run into it coming from the Shipyard.

We do now have a very nice Tunnel to take traffic from the Ferries to Burwell St. Please come and visit.