Battle of Platte Bridge

Overview

The Battle of Platte Bridge, also called the Battle of Platte Bridge Station, on July 26, 1865, was the culmination of a summer offensive by the Lakota Sioux and Cheyenne Indians against the United States army. In May and June the Indians raided army outposts and stagecoach stations over a wide swath of Wyoming and Montana. In July, they assembled a large army, estimated by Cheyenne warrior George Bent to number 3,000 warriors, and descended upon Platte Bridge. The bridge, across the North Platte River near present-day Casper, Wyoming, was guarded by 120 soldiers. In an engagement near the bridge, and another against a wagon train guarded by 28 soldiers a few miles away, the Indians killed 29 soldiers while also suffering at least eight dead.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Platte Bridge was the culmination of a coordinated summer offensive by Lakota Sioux and Cheyenne forces against U.S. Army positions across a wide stretch of Wyoming and Montana during the Colorado War. Beginning in May and June with raids on army outposts and stagecoach stations, the campaign escalated in July when a large allied force, estimated at roughly 3,000 warriors, converged on the bridge crossing the North Platte River near present-day Casper, Wyoming. The engagement demonstrated the capacity of the allied tribes to concentrate significant military strength and sustain a prolonged offensive against U.S. infrastructure and troop positions. The 120-man garrison defending the bridge and a separate 28-man wagon train escort together suffered 29 killed, while the attacking force absorbed at least eight dead. The battle underscored the vulnerability of thinly spread U.S. Army detachments tasked with protecting overland routes through the region.

Tactics

Forces & casualties

Commanders (6)