Long-Allen Bridge, Truss road bridge in Shreveport, United States.

The Long-Allen Bridge is a steel truss road bridge that crosses the Red River, linking eastern and western Shreveport. The structure features a K-truss design with riveted connections and approach spans at each end.

Completed in 1933, the bridge replaced a ferry service and became the primary crossing over the Red River. The Weatherly Construction Company from Kansas City oversaw its construction during a period of regional infrastructure expansion.

Locals call it the Texas Street Bridge because it carries Texas Street across the Red River between Shreveport and Bossier City. Its official name honours Huey Long and Oscar K. Allen, the two Louisiana governors in office when the crossing was planned and opened in 1933.

Traffic flows across the bridge on US Route 79 and 80, connecting Shreveport to Bossier City. The clearance above the river allows for boat traffic to pass underneath.

The bridge uses a K-truss design with riveted connections, a construction technique rarely seen in modern bridge building. This method reflects the engineering skill of the 1930s era.