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Mansfield Dam

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274: 541: 345: 659: 32: 359: 636: 616: 312:, traverse the top of the dam, but traffic other than service vehicles are now prohibited. 620 was rerouted in 1995 to a four-lane highway bridge on the downstream side of the dam built for increase in traffic due to the popularity in Austin of recreating at Lake Travis. 331:(where the Mansfield Dam was located). His campaign was backed by the dam's contractors, and his success in clearing funding and regulatory hurdles for the dam shortly after his election is considered a cornerstone of his future political career. 305:(MSL). LCRA begins to open floods gates when water reaches 681 feet above MSL. At 681 feet (208 m) above MSL, discharge capacity exceeds 130,000 cubic feet per second (3,700 m/s) as the lake rises. 255:. Brown and Root, headed by James E. Walters, Sr., was the prime contractor. The dam was completed in 1941. Originally called Marshall Ford Dam, the name was changed in 1941 in honor of 729: 177:
130,000 cu ft/s (3,700 m/s) (23 floodgates at 5,250 cfs; 1 variable discharge gate at 2,285 cfs 2 turbines at 4,100 cfs, 1 turbine at 2,400 cfs)
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Mansfield Dam is 278 feet (85 m) high, 7,089 feet (2 km) long, and 213 feet (65 m) thick at the base. The concrete gravity dam with
769: 744: 734: 507: 69: 237: 420: 328: 324: 256: 700: 500: 374: 248: 457: 759: 749: 244: 120: 774: 252: 693: 309: 610: 350: 396: 724: 593: 527: 229: 135: 686: 53: 8: 298: 286: 259: 674: 475: 202: 453: 320: 263: 273: 397:"Guide to the Brown & Root / George R. Brown Executive Files, 1937-1978 MS 488" 586: 560: 449: 421:"Mansfield Dam Road (Formerly TX Ranch to Market Road 620) - Bridges and Tunnels" 240: 670: 570: 282: 480: 713: 666: 492: 233: 84: 71: 575: 545: 364: 267: 190: 301:(108 megawatts). The Spillway Elevation is 714 feet (218 m) above 555: 302: 344: 550: 31: 236:. The groundbreaking ceremony occurred on February 19, 1937, with 658: 635: 225: 294: 290: 57: 16:
Dam on the Colorado River near Austin, Texas, United States
615: 523: 221: 340: 591: 293:; to store 1.4 km (369 billion US gallons) of 730:Buildings and structures in Travis County, Texas 711: 522: 446:The Years of Lyndon Johnson: The Path to Power 308:The two lanes of Mansfield Dam Road, formerly 243:attending. The dam was a joint project by the 694: 508: 270:. The dam is owned and operated by the LCRA. 452:. pp. 648 and Chapters 20, 22, and 23. 277:The dedication at Mansfield Dam, August 2023 701: 687: 515: 501: 169:24 controlled (paradox and jet-flow gates) 720:Buildings and structures in Austin, Texas 740:United States Bureau of Reclamation dams 272: 765:Crossings of the Colorado River (Texas) 755:Energy infrastructure completed in 1941 251:, with partial funding provided by the 238:United States Secretary of the Interior 712: 590: 496: 232:, 13 miles (21 km) northwest of 770:Public Works Administration in Texas 653: 443: 375:List of dams and reservoirs in Texas 323:ran for his first elected office as 315: 745:Lower Colorado River Authority dams 735:Hydroelectric power plants in Texas 329:Texas's 10th congressional district 249:United States Bureau of Reclamation 13: 14: 786: 469: 657: 634: 614: 539: 357: 343: 30: 481:Current Water Level Conditions 437: 413: 389: 266:behind Mansfield Dam is named 245:Lower Colorado River Authority 121:Lower Colorado River Authority 1: 602: 383: 673:. You can help Knowledge by 325:United States Representative 257:United States Representative 36:Mansfield Dam, November 2018 7: 334: 253:Public Works Administration 10: 791: 652: 627: 620: 605: 600: 534: 201: 196: 186: 181: 173: 165: 157: 153:7,089 feet (2,161 m) 149: 141: 131: 126: 116: 108: 100: 63: 49: 41: 29: 24: 760:Bridges in Austin, Texas 665:This article related to 289:was designed to control 228:at Marshall Ford on the 351:Renewable energy portal 203:Installed capacity 101:Construction began 750:Dams completed in 1941 278: 174:Spillway capacity 444:Caro, Robert (1982). 276: 85:30.39222°N 97.90722°W 161:213 feet (65 m) 145:278 feet (85 m) 775:Austin, Texas stubs 611:Marble Falls Bridge 299:hydroelectric power 90:30.39222; -97.90722 81: /  625:Mansfield Dam Road 425:bridgestunnels.com 401:www.lib.utexas.edu 297:; and to generate 279: 166:Spillway type 682: 681: 647: 646: 642: 641: 592:Crossings of the 584: 583: 321:Lyndon B. Johnson 316:Political History 285:wings and saddle 224:located across a 218:Marshall Ford Dam 211: 210: 158:Width (base) 127:Dam and spillways 109:Opening date 19:Dam in Texas, USA 782: 703: 696: 689: 661: 654: 638: 618: 603: 588: 587: 544: 543: 542: 517: 510: 503: 494: 493: 464: 463: 441: 435: 434: 432: 431: 417: 411: 410: 408: 407: 393: 367: 362: 361: 360: 353: 348: 347: 96: 95: 93: 92: 91: 86: 82: 79: 78: 77: 74: 34: 22: 21: 790: 789: 785: 784: 783: 781: 780: 779: 710: 709: 708: 707: 650: 648: 643: 633: 631: 624: 613: 609: 596: 585: 580: 540: 538: 530: 521: 490: 472: 467: 460: 450:Alfred A. Knopf 442: 438: 429: 427: 419: 418: 414: 405: 403: 395: 394: 390: 386: 380: 371: 370: 363: 358: 356: 349: 342: 337: 318: 247:(LCRA) and the 241:Harold L. Ickes 89: 87: 83: 80: 75: 72: 70: 68: 67: 37: 20: 17: 12: 11: 5: 788: 778: 777: 772: 767: 762: 757: 752: 747: 742: 737: 732: 727: 722: 706: 705: 698: 691: 683: 680: 679: 662: 645: 644: 640: 639: 626: 619: 601: 598: 597: 594:Colorado River 582: 581: 579: 578: 573: 568: 563: 558: 553: 548: 535: 532: 531: 528:Colorado River 520: 519: 512: 505: 497: 488: 487: 483: 478: 471: 470:External links 468: 466: 465: 459:978-0679729457 458: 436: 412: 387: 385: 382: 378: 377: 369: 368: 354: 339: 338: 336: 333: 317: 314: 303:Mean Sea Level 260:J.J. Mansfield 230:Colorado River 209: 208: 205: 199: 198: 194: 193: 188: 184: 183: 179: 178: 175: 171: 170: 167: 163: 162: 159: 155: 154: 151: 147: 146: 143: 139: 138: 136:Colorado River 133: 129: 128: 124: 123: 118: 114: 113: 110: 106: 105: 102: 98: 97: 65: 61: 60: 51: 47: 46: 43: 39: 38: 35: 27: 26: 18: 15: 9: 6: 4: 3: 2: 787: 776: 773: 771: 768: 766: 763: 761: 758: 756: 753: 751: 748: 746: 743: 741: 738: 736: 733: 731: 728: 726: 725:Dams in Texas 723: 721: 718: 717: 715: 704: 699: 697: 692: 690: 685: 684: 678: 676: 672: 668: 667:Austin, Texas 663: 660: 656: 655: 651: 637: 632:RM 620 Bridge 630: 623: 622:Mansfield Dam 617: 612: 608: 604: 599: 595: 589: 577: 574: 572: 569: 567: 564: 562: 559: 557: 554: 552: 549: 547: 537: 536: 533: 529: 525: 518: 513: 511: 506: 504: 499: 498: 495: 491: 486: 484: 482: 479: 477: 474: 473: 461: 455: 451: 447: 440: 426: 422: 416: 402: 398: 392: 388: 381: 376: 373: 372: 366: 355: 352: 346: 341: 332: 330: 326: 322: 313: 311: 306: 304: 300: 296: 292: 288: 284: 275: 271: 269: 265: 261: 258: 254: 250: 246: 242: 239: 235: 234:Austin, Texas 231: 227: 223: 219: 215: 214:Mansfield Dam 206: 204: 200: 197:Power Station 195: 192: 189: 185: 180: 176: 172: 168: 164: 160: 156: 152: 148: 144: 140: 137: 134: 130: 125: 122: 119: 115: 111: 107: 103: 99: 94: 66: 62: 59: 55: 54:Travis County 52: 48: 45:Mansfield Dam 44: 42:Official name 40: 33: 28: 25:Mansfield Dam 23: 675:expanding it 664: 649: 628: 621: 606: 565: 489: 476:LCRA Website 445: 439: 428:. Retrieved 424: 415: 404:. Retrieved 400: 391: 379: 365:Texas portal 319: 307: 280: 217: 213: 212: 561:Max Starcke 268:Lake Travis 191:Lake Travis 117:Operator(s) 88: / 64:Coordinates 714:Categories 629:Downstream 571:Tom Miller 430:2022-06-08 406:2017-03-22 384:References 283:embankment 216:(formerly 76:97°54′26″W 73:30°23′32″N 58:Texas, USA 566:Mansfield 264:reservoir 182:Reservoir 607:Upstream 576:Longhorn 546:Buchanan 335:See also 291:flooding 132:Impounds 50:Location 526:on the 220:) is a 187:Creates 456:  310:RM 620 262:. The 226:canyon 207:108 MW 150:Length 142:Height 669:is a 556:Wirtz 295:water 287:dikes 671:stub 551:Inks 524:Dams 454:ISBN 327:for 112:1941 104:1937 222:dam 716:: 448:. 423:. 399:. 56:, 702:e 695:t 688:v 677:. 516:e 509:t 502:v 462:. 433:. 409:.

Index


Travis County
Texas, USA
30°23′32″N 97°54′26″W / 30.39222°N 97.90722°W / 30.39222; -97.90722
Lower Colorado River Authority
Colorado River
Lake Travis
Installed capacity
dam
canyon
Colorado River
Austin, Texas
United States Secretary of the Interior
Harold L. Ickes
Lower Colorado River Authority
United States Bureau of Reclamation
Public Works Administration
United States Representative
J.J. Mansfield
reservoir
Lake Travis

embankment
dikes
flooding
water
hydroelectric power
Mean Sea Level
RM 620
Lyndon B. Johnson

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