Trinity River (Texas)

Last updated
Trinity River
Trinity River, Dallas, Texas.jpg
Trinity River, Dallas, Texas (postcard, c. 1901–1907)
Trinity Watershed.png
Location
Country United States
Physical characteristics
Source 
 - location North Texas, near the Red River
Mouth  
 - location
Trinity Bay, at Chambers County, Texas
 - elevation
0 ft (0 m)
Length710 miles (1,140 km)
Basin size15,589 sq mi (40,380 km2)
Discharge 
 - average6,368 cu ft/s (180.3 m3/s) [1]
The Trinity River as viewed from Reunion Tower in Dallas in August 2015 View from Reunion Tower August 2015 07.jpg
The Trinity River as viewed from Reunion Tower in Dallas in August 2015

The Trinity River is a 710-mile-long (1,140 km) river in Texas, and is the longest river with a watershed entirely within the U.S. state of Texas. It rises in extreme northern Texas, a few miles south of the Red River. The headwaters are separated by the high bluffs on the southern side of the Red River.

Texas State of the United States of America

Texas is the second largest state in the United States by both area and population. Geographically located in the South Central region of the country, Texas shares borders with the U.S. states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the southwest, while the Gulf of Mexico is to the southeast.

U.S. state constituent political entity of the United States

In the United States, a state is a constituent political entity, of which there are currently 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory and shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons restricted by certain types of court orders. Four states use the term commonwealth rather than state in their full official names.

Red River of the South major tributary of the Mississippi and Atchafalaya rivers in the southern United States

The Red River, or sometimes the Red River of the South, is a major river in the southern United States of America. It was named for the red-bed country of its watershed. It is one of several rivers with that name. Although it was once a tributary of the Mississippi River, the Red River is now a tributary of the Atchafalaya River, a distributary of the Mississippi that flows separately into the Gulf of Mexico. It is connected to the Mississippi River by the Old River Control Structure.

Contents

Robert Cavelier de La Salle, in 1687, called the stream the "River of Canoes". The name "Trinity" came three years later in 1690 from Alonso de León, who called the stream the "La Santísima Trinidad" ("the Most Holy Trinity"). [2]

Alonso de León "El Mozo" was explorer and governor, who led several expeditions into the area that is now northeastern Mexico and southern Texas.

Course

The Trinity River has four branches: the West Fork, [3] the Clear Fork, [4] the Elm Fork, [5] and the East Fork. [6]

The West Fork Trinity River has its headwaters in Archer County. From there it flows southeast, through the man-made reservoirs Lake Bridgeport and Eagle Mountain Lake then flowing eastward through Lake Worth and then the city of Fort Worth.

Lake Bridgeport, also known as Bridgeport Lake, is a man-made, freshwater reservoir located in Wise and Jack Counties in North Texas. The lake was created by damming the West Fork of the Trinity River and sits upstream from Eagle Mountain Lake. The lake is owned by the Tarrant Regional Water District and the water impounded is used for flood control, residential and commercial sales, irrigation, and recreation.

Eagle Mountain Lake lake of the United States of America

Eagle Mountain Lake is a reservoir in North Texas, formed by the damming the West Fork of the Trinity River. The reservoir sits below Lake Bridgeport reservoir and above Lake Worth reservoir.

Lake Worth is located on the West Fork of the Trinity River. It is entirely inside the city limits of Fort Worth, Texas, United States.

The Clear Fork Trinity River begins north of Weatherford, Texas and flows southeastward through Lake Weatherford and Benbrook Lake reservoirs, and then northeastward, where it joins the West Fork near downtown Fort Worth and continues as the West Fork.

Weatherford, Texas City in Texas, United States

Weatherford is a city in and the seat of Parker County, Texas, United States. The 2010 United States Census stated the population as being 29,969.

Benbrook Lake reservoir on the Clear Fork of the Trinity River in Tarrant County, Texas

Benbrook Lake is a reservoir on the Clear Fork of the Trinity River in Tarrant County, Texas, USA. The lake is located approximately 10 miles (16 km) southwest of the center of Fort Worth, where the Clear Fork and the West Fork of the Trinity River join. The lake is impounded by the Benbrook Dam. The lake and dam are owned and operated by the U.S. Army Corps of Engineers, Fort Worth District.

The Elm Fork Trinity River [7] flows south from near Gainesville through Ray Roberts Lake and east of the city of Denton eventually through Lewisville Lake.

Gainesville, Texas City in Texas, United States

Gainesville is a city in and the county seat of Cooke County, Texas, United States. The population was 16,002 at the 2010 census. It is part of the Texoma region.

Denton, Texas City in Texas, United States

Denton is a city in and the county seat of Denton County, Texas, United States. As of the 2010 United States Census, its population was 113,383, making it the 27th-most populous city in Texas, the 200th-most populous city in the United States, and the 12th-most populous city in the Dallas–Fort Worth metroplex.

Lewisville Lake

Lewisville Lake is a reservoir in North Texas (USA) on the Elm Fork of the Trinity River in Denton County near Lewisville. Originally engineered in 1927 as Lake Dallas, the reservoir was expanded in the 1940s and 1950s and renamed Lewisville Lake. It was built for flood control purposes and to serve as a water source for Dallas and its suburbs, but residents also use it for recreational purposes.

The West Fork and the Elm Fork merge as they enter the city of Dallas and form the Trinity River.

The East Fork Trinity River (on old maps the Bois d'Arc River) begins near McKinney, Texas and flows through Lavon Lake then Lake Ray Hubbard before joining the Trinity River just southeast of Dallas.

The Trinity then flows southeast from Dallas across a fertile floodplain and the pine forests of eastern Texas, many of which were settled during the period of the Republic of Texas. The Trinity crosses Texas State Highway 31 in Henderson County, near where the first county seat, Buffalo, was established. Roughly 65 miles (105 km) north of the mouth, an earthen dam was built in 1968 to form Lake Livingston.

It flows onward to the south, into Trinity Bay, an arm of Galveston Bay that is an inlet of the Gulf of Mexico. Its river mouth is near the town of Anahuac, southeast of Houston.

Tributaries

Public works projects

The Trinity River north of downtown Fort Worth Trinity River.jpg
The Trinity River north of downtown Fort Worth

Plans from the 1890s for a shipping channel along the length of the Trinity River were scrapped because it would have required extensive dredging to make the river navigable, although several overpasses were built with very high clearances in anticipation of the shipping channel. Locks were actually built 13 miles downstream of Dallas in the early 1900s. [9] Original federal plans called for building 36 locks and dams from Trinity Bay near Houston to Dallas. The first built was Lock and Dam No. 1 in the city of Dallas at McCommas Bluff. Lock construction came to a standstill in the wake of World War I, however. Only Lock and Dam Nos. 1, 2, 4, 6, 7, 20 and 25 were built. There are currently no plans for addressing these old locks located in various spots along the Trinity River. However, the Corps is working nearby on the Dallas Floodway Extension Project. The DFE Project is under construction and is helping to fulfill their mission, as directed by Congress in cooperation with the city of Dallas. It is helping to lower flood risk, and provide ecosystem restoration and recreation to the citizens of Dallas. [10] [11]

The Trinity River Corridor Project is intended to transform the Trinity River flood zone in downtown Dallas into the nation's largest urban park, featuring three signature bridges designed by acclaimed architect Santiago Calatrava.

A similar project is planned by the Tarrant Regional Water District, City of Fort Worth, Tarrant County, Streams & Valleys Inc., and U.S. Army Corps of Engineers to develop an area north of "downtown" as "uptown" along the Trinity River. This plan promotes a large mixed-use development adjacent to the central city area of Fort Worth, with a goal to prevent urban sprawl by promoting the growth of a healthy, vibrant urban core. The Trinity River Vision lays the groundwork to enable Fort Worth's central business district to double in size over the next forty years.

Floods

Major flooding occurred on the Trinity River in the years 1844, 1866, 1871, and 1890, but a major event in the spring of 1908 set in motion the harnessing of the river. On 26 May 1908, the Trinity River reached a depth of 52.6 feet (16.03 m) and a width of 1.5 miles (2.4 km). [12] Five people died, 4,000 were left homeless, and property damage was estimated at $2.5 million.

Now the wreckage of a shed or outhouse would move by, followed by a drowned swine or other livestock. The construction forces of the Texas & Pacific worked feverishly to safeguard the long trestle carrying their tracks across the stream. Suddenly, this whole structure turned on its side down-stream, broke loose from the rest of the track at one end and swung out into the middle of the current and began breaking up, first into large sections and then into smaller pieces, rushing madly along to some uncertain destination. [Approximately half a dozen of the workmen fell into the torrent at this point; exaggerated reports of their drowning swept the city.]

C.L. Moss [12]

Dallas was without power for three days, all telephone and telegraph service was down, and rail service was canceled. The only way to reach Oak Cliff was by boat. [13] West Dallas was hit harder than any other part of the city—the Dallas Times Herald said "indescribable suffering" plagued the area. Much to the horror of residents, thousands of livestock drowned in the flood and some became lodged in the tops of trees. The stench of their decay hung over the city as the water subsided. [12]

The Trinity River flooding on 8 July 1908. Dallas, Texas Trinity Flood 1908.jpg
The Trinity River flooding on 8 July 1908.

After the disastrous flood, the city's citizenry wanted to find a way to control the unpredictable Trinity River and to build a bridge linking Oak Cliff and Dallas. The immediate reaction was clamor to build an indestructible, all-weather crossing over the Trinity. This had already been tried following the 1890 flood; the result was the "Long Wooden Bridge" that connected Jefferson Boulevard in Oak Cliff and Cadiz in Dallas, but the resulting unstable bridge was easily washed away by the 1908 flood. George B. Dealey, publisher of the Dallas Morning News , proposed a 1.5-mile (2.4 km) concrete bridge based on the design of a bridge crossing the Missouri River in Kansas City. Ultimately, a US$650,000 (US$16.9 million in today's terms) bond election was approved and in 1912, the Oak Cliff Viaduct (now the Houston Street Viaduct) was opened with festivities that drew 58,000 spectators. At that time, the bridge was the longest concrete structure in the world. [12]

The Trinity River in Dallas flooded up to the levees in June 2015. Seen from the Commerce Street bridge. Trinity Flooded June 2015.jpg
The Trinity River in Dallas flooded up to the levees in June 2015. Seen from the Commerce Street bridge.

Minor flooding of the Trinity River occurs frequently, such as, for instance, in the spring of 2015. [14]

See also

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References

  1. USGS discharge data for Riverside, accessed 2011-06-19
  2. Handbook of Texas Online, s.v. "Trinity River"
  3. "Upper West Fork Trinity Watershed". United States Environmental Protection Agency . Retrieved March 19, 2013.
  4. "Lower West Fork Trinity Watershed". United States Environmental Protection Agency . Retrieved March 19, 2013.
  5. "Elm Fork Trinity Watershed". United States Environmental Protection Agency . Retrieved March 19, 2013.
  6. "East Fork Trinity Watershed". United States Environmental Protection Agency . Retrieved March 19, 2013.
  7. "Denton Watershed". United States Environmental Protection Agency . Retrieved March 19, 2013.
  8. U.S. Geological Survey Geographic Names Information System: West Fork Trinity River
  9. Barton, Julia. "How Landlocked Dallas Once Tried to Become a Port City". Slate . The Slate Group . Retrieved 25 September 2014.
  10. http://www.swf.usace.army.mil/Missions/WaterSustainment/DallasFloodwayExtension.aspx
  11. https://www.facebook.com/media/set/?set=a.982702368424101.1073741974.188083711219308&type=1
  12. 1 2 3 4 Payne, Darwin (1982). "Chapter V: A New Century, A New Dallas". Dallas, an illustrated history. Woodland Hills, California: Windsor Publications. pp. 119–155. ISBN   0-89781-034-1.
  13. Dallas Historical Society - Dallas History Archived 2006-04-22 at the Wayback Machine . Retrieved 20 April 2006.
  14. http://cityhallblog.dallasnews.com/2015/05/trinity-river-near-downtown-dallas-already-at-major-flood-stage-forecast-to-crest-at-43-feet.html/

Coordinates: 29°44′35″N94°42′12″W / 29.74306°N 94.70333°W / 29.74306; -94.70333