
Old IL Rt. 121 Bridge over the Mackinaw River
Posted by:
NoLemon
N 40° 26.360 W 089° 28.056
16T E 290712 N 4479445
Quick Description: This through truss bridge carried old IL Route 121 over the Mackinaw River.
Location: Illinois, United States
Date Posted: 9/25/2006 8:50:19 PM
Waymark Code: WMRDQ
Views: 37
Long Description:This bridge was built in 1932. In the 1970s, two new bridges were
built along side of it. These new bridges eventually became part of
Interstate 155 which replaced IL Route 121 in this part of the
state. The bridge is still open to local traffic.
Bridge dimensions:
Main span length: 174.8 ft.
Total length: 600.9 ft.
Deck width: 23.9 ft.
Vertical clearance: 14.5 ft.