Ames Creek Bridge
Pony truss bridge over Ames Creek on a county road, 1.5 mi. north and 1 mi. west of Obert
Open to traffic
Built 1935

Baker Creek Bridge
Pony truss bridge over Baker Creek on a county road, 2 mi. south and 3 mi. east of Laurel
Open to traffic
Built 1935

Baker Creek Bridge
Pony truss bridge over Baker Creek on a county road, 2 mi. south and 1 mi. east of Laurel
Open to traffic
Built 1935

Beaver Creek Bridge
Pony truss bridge over Beaver Creek on a county road, 5 mi. north and 5.5 mi. west of Fordyce
Open to traffic
Built 1935

Bow Creek Bridge
Pony truss bridge over Bow Creek on a county road, 5.5 mi. south of Wynot
Open to traffic
Built 1935; rehabilitated 1974

Bow Creek Bridge
Pony truss bridge over Bow Creek on a county road, 7.5 mi. south and 1.5 mi. west of Fordyce
Open to traffic
Built 1935; rehabilitated 1972

Bow Creek Bridge
Truss bridge over Bow Creek on a county road, 1.2 mi. south of St James
Open to traffic
Built 1914

Bow Creek Bridge
Pony truss bridge over Bow Creek on a county road, 2.5 mi. northeast of Hartington
Open to traffic
Built 1935; rehabilitated 1973

East Bow Creek Bridge
Pony truss bridge over East Bow Creek on COLL 7803
Open to traffic
Built 1925

East Bow Creek Bridge
Pony truss bridge over East Bow Creek on a county road, 9 mi. east and 1.5 mi. south of Hartington
Open to traffic
Built 1935

East Bow Creek Bridge
Pony truss bridge over East Bow Creek on a county road, 6 mi. south and 2.7 mi. west of Obert
Open to traffic
Built 1935

East Bow Creek Bridge
Pony truss bridge over East Bow Creek on a county road, 8.5 mi. east and 1 mi. north of Coleridge
Open to traffic
Built 1905

Logan Creek Bridge
Pony truss bridge over Logan Creek on a county road, 1.5 mi. northeast of Belden
Open to traffic
Built 1935

Logan Creek Bridge
Pony truss bridge over Logan Creek on a county road, 1 mi. west and 1 mi. north of Laurel
Open to traffic
Built 1935

Logan Creek Bridge
Pony truss bridge over Logan Creek on a county road, .5 mi. northwest of Laurel
Open to traffic
Built 1960

Logan Creek Bridge
Through truss bridge over Logan Creek on a county road, 2.5 mi. south and 4 mi. east of Laurel
Open to traffic
Built 1905

Meridian Bridge
Vertical-lift through truss bridge over the Missouri River on US 81 at Yankton
Open to traffic
Built 1924; rehabilitated 1953

Pearl Creek Bridge
Pony truss bridge over Pearl Creek on a county road, 2 mi. south of Hartington
Open to traffic
Built 1935; rehabilitated 1972

Pearl Creek Bridge
Pony truss bridge over Pearl Creek on a county road, 5 mi. east and 4.3 mi. north of Magnet
Open to traffic
Built 1913

Pearl Creek Bridge
Pony truss bridge over Pearl Creek on COLL 7797, 5.5 mi. south and 1 mi. west of Hartington
Open to traffic
Built 1935

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on a county road, 3 mi. east and 1.5 mi. south of Hartington
Open to traffic
Built 1910

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on a county road, 4 mi. east of Coleridge
Open to traffic
Built 1935

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on COLL 7657
Open to traffic
Built 1935

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on a county road, 1 mi. south and 3 mi. east of Hartington
Open to traffic
Built 1935

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on a county road, 1 mi. south and 6 mi. east of Hartington
Open to traffic
Built 1910

Unnamed Stream Bridge
Pony truss bridge over an unnamed stream on a county road, 7 mi. south and 1 mi. west of Obert
Open to traffic
Built 1970

West Bow Creek Bridge
Pony truss bridge over West Bow Creek on a county road, 1 mi. east of Bow Valley
Open to traffic
Built 1935

West Bow Creek Bridge
Truss bridge over West Bow Creek on a county road, 1.5 mi. west of Wynot
Open to traffic
Built 1960