The Alton Bridge is the third through truss bridge than CLR Inc. rehabilitated. It is a very impressive bridge, with a long through truss and three pony truss spans on one end and one other pony truss span on the the other for a total of five spans in all. It is situated high above the stream, and is almost at the mouth of the Blue River where it flows into the Ohio River.
Overview
Through truss bridge over Little Blue River on CR 1190 South in Alton
Location
Status
Open to one-lane traffic
Future prospects
Restored in 2009
Builder
Design
Main span: Pratt through truss
Dimensions
Length of largest span: 138.7 ft.
Total length: 419.8 ft.
Deck width: 12.5 ft.
Vertical clearance above deck: 15.5 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Crawford County Bridge #45