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While boating in the California Delta, you are sure to come upon a bridge. Depending on the size of your boat, the tide and the clearance of the bridge, you may find that you will need the bridge to open for you in order to continue on your journey. Most bridges monitor VHF Channels 9 and 16, and you can hail them, preferably on Channel 9, with your request for an opening. Usually the bridge tenders want you within sight before they will open the bridge. Many boaters prefer to signal the bridge with a long followed by a short blast from their horn. Bridgetenders will also usually respond to a telephone call if it is during their operating hours.

Operating hours for California Delta bridges varies depending on the season, with shorter hours being the norm for winter. Some bridges are not tended during the winter, and a few are not tended at all. These bridges require advance notice if you are going to need an opening. The procedure here is to call the bridge and arrange an appointment. Obviously, you want to be at the bridge on time! During the summer, you may find some bridges operating on scheduled openings on weekends and holidays.

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Photos of California Delta Bridges

Map of California Delta Bridges

California Delta Bridge Information
Clearance
Sacramento River Hours of Operation Phone HW LW
Freeport Bridge •May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.665.2231 29' 32'
Sutter Slough Bridge Bridge does not open n/a 19' 22'
Miner Slough Bridge 12 hours advance notice required to the Rio Vista Bridge 707.374.2134 (Rio Vista Bridge) 17' 21'
Paintersville Bridge (Courtland) •May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.775.1474 24' 27'
Steamboat Slough Bridge •May 1 to October 31: Bridgetender service 6am to 10pm
All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.775.1966 21' 24'
Walnut Grove Bridge •May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.776.1341 21' 24'
Isleton Bridge •May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.777.6763 15' 18'
Lindsey Slough Bridge Bridge does not open n/a 19' 22'
Rio Vista Bridge Bridgetender service 24 hours a day 707.374.2134 18' 22'
Three Mile Slough Bridge Bridgetender service 24 hours a day 916.777.6619 10' 16'
Clearance
Georgiana Slough Hours of Operation Phone HW LW
Georgiana Slough Bridge •May 1 to October 31: bridgetender service 6am to 10pm
•November 1 to April 30: bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge
707.374.2134 (Rio Vista Bridge) 14' 17'
Tyler Island Bridge •May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.777.6649 10' 13'
Clearance
Mokelumne River Hours of Operation Phone HW LW
Snodgrass Slough Bridge (Meadows) Bridge does not open n/a 12' 18'
Deadhorse Island Bridge Bridge does not open n/a 13' 17'
Miller's Ferry Bridge (Giusti's) •May 1 to October 31: Bridgetender service 9am to 5pm
•All other times: 12 hours advance notice required to the San Joaquin County Department of Public Works at Stockton
209.468.3074 (Public Works) 12' 15'
Mokelumne River Bridge •May 1 to October 31: Bridgetender service 6am to 10pm; scheduled openings on the hour, 20 minutes past the hour, and 40 minutes past the hour as follows: Saturdays 10am to 2pm, Sundays 11am to 6pm, and Memorial Day, 4th of July, and Labor Day 11am to 6pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
916.777.6660 8' 11'
New Hope Landing Bridge (Wimpy's) Bridge does not open n/a 13' 16'
Little Potato Slough Bridge 4 hours advance notice required to the Rio Vista Bridge 707.374.2134 (Rio Vista Bridge) 35' 38'
Clearance
San Joaquin River Hours of Operation Phone HW LW
Disclaimer: This bridge information is provided for the convenience of DeltaBoating.com visitors. Bridge clearances are approximate and will vary during times of plus tides or storms. Bridgetender hours and phone numbers are subject to change without notice. Always use NOAA charts #18660 through #18663 for the California Delta and Sacramento River, and check the Local Notice to Mariners for changes.
Honker Cut Bridge 12 hours advance notice required to the San Joaquin County Department of Public Works at Stockton 209.468.3074 (Public Works) 7' 10'
Bishop Cut Bridge 12 hours advance notice required 209.464.7928 6' 10'
Paradise Point Bridge Bridge does not open n/a 21' 24'
Bethel Island Bridge Bridge does not open n/a 15' 19'
Connection Slough Bridge •May 15 to September 15: Bridgetender service 9am to 5pm; 12 hours advance notice required 5pm to 9am
•September 16 to May 14: 12 hour advance notice required 9am to 5pm, 24 hour advance notice required 5pm to 9am
•209.464.2959 or
•209.464.7928 weekdays 8am to 5pm
•209.993.8878 all other times
7' 10'
Turner Cut Bridge Bridgetender service 24 hours a day 209.464.1253 16' 19'
Middle River (Bacon Island) Bridge •May 15 to September 15: Bridgetender service 9am to 5pm
•September 16 to May 14: Bridgetender service 9am to 5pm Thursday through Monday
•All other times: 12 hours advance notice required to the San Joaquin County Department of Public Works at Stockton
209.468.3074 (Public Works) 8' 11'
Middle River Railroad Bridge 12 hours advance notice required to the Burlington Northern Santa Fe Railway Manager of Structures at San Bernadino 209.942.5441 11' 14'
Middle River Bridge (Hwy 4) Bridge does not open n/a 10' 12'
Orwood (Old River) Railroad Bridge Bridgetender service 24 hours a day 209.942.5441 10' 14'
Old River Bridge
(Hwy 4)
•May 1 to October 31: Bridgetender service 6am to 10pm
•November 1 to April 30: Bridgetender service 9am to 5pm
•All other times: 4 hours advance notice required to the Rio Vista Bridge (707.374.2134)
209.465.0935 12' 16'
Grant Line Canal Bridge 12 hours advance notice required to the San Joaquin County Department of Public Works at Stockton 209.468.3074 (Public Works) 16' 19'