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Brazos River Floodgates

BRAZORIA COUNTY, Texas – The U.S. Army Corps of Engineers Galveston District prepares to reinstall the East Brazos River Floodgates following a yearlong refurbishing process in which each of the 80-ton sector gates along with an additional 40 tons of organic material were removed for repair and cleaning to restore and enhance their structural integrity and operation. By mid September, both sector gates on the East side were reinstalled.

Floodgate Dimensions: 750 feet long by 75 feet wide; maximum to length is 1,180 feet and maximum tow width is 55 feet.




Facility Information

   vessels on turn

Eastbound 3 vessels/ 5 cuts  

Westbound  4 vessels/ 8 cuts


River Velocity 0.4 mph                         

East Gate Velocity 0.1

West Gate Velocity 0.3

East Gate       West Gate          
 River Side 3.6 River Side 3.6
 Canal Side 3.4  CanaSide2 3.2
 Differential 0.2  Differential 0.4

*MLT= Mean Low Tide

 Last Update July 30, 2015 / 0800


Facility Directions

Closure Notices

Closures are imminent. Please refer to the following Notice to Navigation for more information or call 979-233-1251.


*July 16, 2015, 4582_NTN-15_BRF_2015 Brazos River Floodgates



Commercial Vessel Check-in Procedures

West bound vessels check in at Bryan Beach bridge - East bound vessels check in at Jones Lake. West bound vessels use north bank moorings when tripping barges. East bound vessels use south bank moorings when tripping barges.

Galveston District Lockmaster Brazos River Floodgates

Mailing Address:
Brazos River Floodgates
4335 East Flood Gate Road
Freeport, Texas  77542

Phone: 979-233-3146
Fax: 979-233-5632

Office Hours:
7:30 a.m.- 5 p.m. Monday - Thursday
7:30 a.m.-4 p.m. Friday
After hours: 979-233-1251