Bridgeport Dam (Lake Bridgeport)

Field Descriptions

Dam Name: Bridgeport Dam
NID ID: TX01496
Longitude: -97.8314
Latitude: 33.2226
County: WISE
River: WEST FORK TRINITY RIVER
State: TX
Nearest City: BRIDGEPORT
Distance: 4.00 miles
Owner Name: TARRANT REGIONAL WATER DISTRICT
Owner Type: State
Dam Designer: FREESE AND NICHOLS;HAWLEY
Private Dam? No
Dam Type: Earth
Core: Homogeneous Dam (Position)
Earth (Type)
Known (Certainty)
Foundation: SZ
Purposes: Flood Control
Year Completed: 1931
Dam Length: 2040 feet
Dam Height: 130 feet
Structural Height: 130 feet
Hydraulic Height: 130 feet
Maximum Discharge: 199200 cu ft/sec
Maximum Storage: 923814 acre-feet
Normal Storage: 366236 acre-feet
Surface Area: 12940 acres
Drainage Area: 1111 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2005-05-12
Inspection Frequency: 0
State Regulated Dam? Yes
State Regulating Agency: TCEQ
Spillway Type: Uncontrolled
Spillway Width: 800 feet
Outlet Gates: R8;O1;U1
Source Agency:

Dam Safety For Boats

A large amount of water can be released from a dam without any warning at any time and by any means. For example, when the demand for electricity is high, the turbines at a dam may be turned on automatically, resulting in a significant increase in the downstream flow of water in only a matter of seconds.

If there's a need to release water through the sluiceways (outlets at the base of the dam), this operation can also create a great swell of discharged water downstream.

During flood operations, any or all spillway gates across the width of a dam can be opened to release upstream flood water that needs to pass to the next downstream reservoir. Upstream or downstream, even the most experienced boater with the strongest motor is no match for this strong flow of water plunging over a spillway of a dam. Even if you're boating far downstream of a spilling dam, recirculating current can pull a powerful boat upstream toward plunging water that could shred any boat.

Some dams equipped with navigation locks create turbulent water as well. When vessels pass through, strong flow is released near the exhaust ports of the wing wall of the lock.

Warning Systems At Dams

To warn reservoir users of potential danger, warning devices are installed at many dams:




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