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Boone County
Beaver Creek Bridge [Map] Pony truss bridge over Beaver Creek on a county road, 2 mi. west and 3 mi. north of St EdwardOpen to trafficBuilt 1925
Beaver Creek Bridge [Map] Pony truss bridge over Beaver Creek on 310th Street, 1.6 mi. south and 1.2 mi. east of St EdwardOpen to trafficBuilt 1935
Bogus Creek Bridge [Map] Pony truss bridge over Bogus Creek on 310th Street, 1.6 mi. south and 1 mi. east of St EdwardOpen to trafficBuilt 1935
Cedar River Bridge [Map] Through truss bridge over Cedar River on a county road, .1 mi. east of Cedar RapidsOpen to trafficBuilt 1912
North Shell Creek Bridge [Map] Pony truss bridge over North Shell Creek on a county road, 1 mi. north and 10.6 mi. east of PetersburgOpen to trafficBuilt 1915
North Shell Creek Bridge [Map] Pony truss bridge over North Shell Creek on a county road, 1.5 mi. south and 12.4 mi. east of PetersburgOpen to trafficBuilt 1935
Oneill Valley Bridge [Map] Pony truss bridge over Oneill Valley on a county road, 2.7 mi. east and 1 mi. north of AlbionOpen to trafficBuilt 1935
Oneill Valley Bridge [Map] Pony truss bridge over Oneill Valley on a county road, 1 mi. south and 2.9 mi. east of AlbionOpen to trafficBuilt 1935
Plum Creek Bridge [Map] Truss bridge over Plum Creek on a county road, 1.6 mi. south and 7.3 mi. west of St EdwardOpen to trafficBuilt 1915
Shell Creek Bridge [Map] Pony truss bridge over Shell Creek on a county road, 4.5 mi. south and 12.8 mi. east of PetersburgOpen to trafficBuilt 1912