Beam (16,987)
Iowa (6,812)
Iowa Bridge Co. (1902-193X) (57)
Iowa River (138)
Johnson County, Iowa (220)
Lost (29,315)
Lost 1959 (97)
Lost during 1950s (942)
| Pratt through truss (6,148)
Pratt truss (10,430)
Span length 125-175 feet (4,469)
Through truss (17,374)
Timber stringer (4,361)
Total length 250-500 feet (5,566)
Truss (36,150)
Wooden deck (6,188)
|