Alton,
IL

Title	:	Burlington Northern Railroad Bridge, Alton, IL
Date	:	July 8, 1979
Description	:	The bridge closest to the camera is the old BN bridge (built by the Chicago Burlington & Quincy Rail- road) over the Mississippi River at Alton. This bridge has been demolish- ed. The bridge behind it is the Clark Bridge for auto traffic. It has been demolished and replaced with a modern structure.