DUANE
Duane's take
Here's my telling of what the official marker has to say about the Shady Grove Road Bridge — and friend, there's more to this story than just steel and river water. Now, the Trinity River has a way of demanding attention. It always has.
In the early days of Dallas County, folks tried to put that river to work — navigation projects, economic development, the whole ambition of a young and hungry region. The Trinity had ideas of its own, though. Heavy rains would send it spilling over its banks, and in 1908 it delivered what the record calls a disastrous flood.
Not a rough season. Not a bad week. A disaster.
And that, finally, got the attention of the officials who needed to do something about it. Flood control planning began in earnest after that. Slowly, the way big government projects tend to move, but it moved.
And by 1930 — more than twenty years after that flood — the Dallas Levee Improvement District finished a project that actually changed the shape of the river itself. Modified the channels. Reclaimed about ten thousand acres of land right out from under what used to be floodwater.
Ten thousand acres. You start to feel the scale of what they were attempting out here. Then, the very next year — 1931 — they built the Shady Grove Road Bridge right at this site.
And they did not build it small. The main span was a Parker pony truss design, which in the bridge world is a particular kind of elegant engineering, and the whole structure stretched out one thousand seven hundred and seventy-eight feet in length. That is a serious piece of work.
It connected southeast Irving to the new industrial district of west Dallas, and in doing so it contributed significantly — those are the marker's own words — to the growth and development of the city of Irving. Decades passed. Traffic grew.
By 1984, more than fourteen thousand vehicles a day were crossing that bridge. Every single day. That old 1931 structure, with its Parker pony truss and its nearly eighteen hundred feet of span, was hauling the weight of a modern city on its back.
Until 1984, when it was closed — closed for safety considerations. The bridge had given everything it had. But the story doesn't end with a shutdown.
Dallas County, the State Department of Highways and Public Transportation, and the Federal Highway Administration got together — a joint effort, three entities pulling the same direction — and in 1990 a new bridge was completed at the same site, replacing the 1931 structure. Same spot where the Trinity once flooded and wrecked things. Same spot where ten thousand acres got reclaimed from the water.
Same spot where a Parker pony truss bridge stretched out nearly a third of a mile and stitched two sides of a growing city together. The river demanded attention. The people answered it.
And the crossing endures.
What the marker says
The Trinity River has played an important part in the history of Dallas County. Early navigation projects were instrumental in the area's economic development. Heavy rains often caused the river to overflow its banks and after a disastrous flood in 1908 officials began flood control planning. By 1930 the Dallas Levee Improvement District completed a project which modified the river's channels and reclaimed about 10,000 acres of land. The Shady Grove Road Bridge was built at this site in 1931. The main span was a Parker pony truss design and the bridge extended 1,778 feet in length. It connected southeast Irving to the new industrial district of west Dallas, thereby contributing significantly to the growth and development of the city of Irving. By 1984, when it was closed for safety considerations, the bridge was providing access to more than 14,000 vehicles per day. In 1990, through a joint effort of Dallas County, the State Department of Highways and Public Transportation, and the Federal Highway Administration, a new bridge was completed at the same site, replacing the 1931 structure. This continues to serve as a major traffic artery between Irving and Dallas. (1991)