4-panel truss (336)
Built 1936 (1,206)
Built during 1930s (12,198)
Closed (2,764)
Half-hip Pratt pony truss (588)
Iowa (6,811)
Monroe County, Iowa (52)
Owned by county (21,659)
| Pin-connected (4,879)
Pony truss (17,086)
Pratt pony truss (3,986)
Pratt truss (10,407)
Span length 50-75 feet (10,460)
Total length 100-125 feet (5,420)
Truss (35,991)
Wooden deck (6,175)
|