Keokuk–Hamilton Bridge

The Keokuk-Hamilton Bridge is a road bridge that crosses the Mississippi River between Iowa and Illinois with four traffic lanes and a separate pedestrian walkway. The steel structure carries U.S. Route 136 and connects the two states at this crossing point.

The bridge opened in 1985 and replaced an earlier rail bridge while keeping railroad tracks on a separate structure alongside. This new construction modernized the road crossing between the two states.

The bridge represents a vital transportation link between the states of Iowa and Illinois, carrying U.S. Route 136 across the Mississippi River.

The bridge remains accessible to vehicles year-round, though the surrounding approaches may be affected during high water periods. A dedicated pedestrian path provides a safe route for those crossing on foot or exploring the riverbank.

The bridge deck was raised 4 to 6 feet in certain sections to protect it from Mississippi River flooding during high water periods. This elevation difference is a key engineering feature that keeps the crossing functional when the river rises.

Location: Keokuk

Inception: 1985

Official opening: November 1985

GPS coordinates: 40.39028,-91.37333

Latest update: December 12, 2025 17:42