Pennington County

Boxelder Creek Bridge   [Map]
Nearly lost through truss bridge over Boxelder Creek on Base Line Road, 1.0 mi. west and 3.8 mi. south of Wasta
Relocated 100 yards ESE of former location and partly dismantled
Built ca. 1920; replaced 2002
Cheyenne River Bridge   [Map · Street View]
Deck truss bridge over Cheyenne River on Highway 1416, northeast of Wasta, 1.0 mi. north and 2.4 mi. east of Wasta
Open to traffic
Built 1940
County Road Bridge   [Map]
Pony truss bridge over an unnamed creek on a county road, 0.5 mi. west and 0.5 mi. south of Wasta
Probably lost
Built ca. 1920
CP - Boxelder Creek Bridge   [Map]
Triple-intersection lattice through truss bridge over boxelder Creek on Canadian Pacific Railway
Open to traffic
CP - Cheyenne River Bridge   [Map · Street View]
Warren through truss bridge over Cheyenne River on Chicago & Northwestern RR
Open to traffic
Built 1927 by American Bridge Company
Creston Dinosaur Bridge   [Map · Street View]
Abandoned concrete stringer bridge over Rapid Creek on an abandoned alignment of SD 44
Abandoned
Bridge replaced by new bridge in 1964
Hammerquist Road Bridge   [Map]
Concrete arch bridge over Rapid Creek on Hammerquist Road
Open to traffic
Built 1916
Iron Mountain Road Pigtail Bridge #2   [Map · Street View]
Steel stringer bridge over US 16A, on US 16A
Open to traffic
Built 1992
Iron Mountain Road Pigtail Bridge #3   [Map · Street View]
Steel stringer bridge over US 16A, on US 16A
Open to traffic
Built 1985
Iron Mountain Road Tunnel (US 16A)   [Map · Street View]
Tunnel on US 16A (Iron Mountain Road)
Open to traffic
Iron Mountain Road Tunnel (US 16A) #2   [Map · Street View]
Tunnel on Iron Mountain Road (US 16A)
Iron Mountain Road Tunnel (US 16A) #3   [Map · Street View]
Tunnel on Iron Mountain Road (US 16A)
Keystone Interchange Bridge   [Map · Street View]
Wooden arch bridge on US 16A
Open to traffic
Built 1968
Mickelson Trail - George Frink Road Overpass   [Map]
Beam bridge over George Frink Road & Castle Creek on Mickelson Trail
Open to pedestrians only
Mickelson Trail - Rapid Creek Trestle   [Map]
Timber stringer bridge over Rapid Creek on Mickelson Trail
Open to pedestrians only
Mickelson Trail - Rochford Mystic Road Overpass   [Map · Street View]
Beam bridge over Rochford Mystic Road & Castle Creek on Mickelson Trail
Open to pedestrians only
MILW - Cheyenne River Bridge   [Map]
Pratt through truss bridge over Cheyenne River on Former CMStP&P Railroad
Closed to all traffic
MILW - Rapid Creek Bridge   [Map · Street View]
Bridge over Rapid Creek on Former CMStP&P Railroad
Closed to all traffic
MILW - Unnamed Creek Bridge   [Map · Street View]
Abandoned bridge over unnamed creek on Former CMStP&P Railroad
Abandoned
Museum St. Bridge   [Map · Street View]
Steel stringer bridge over a "rail-to-trail" on Museum St.
Open to one lane traffic
Built 1930
Pigtail Bridge   [Map · Street View]
Timber arch bridge over US 16A, on US 16A
Open to traffic
Built 1976
Rapid Creek Bridge   [Map · Street View]
Timber stringer bridge over Rapid Creek on Creek Drive in Rapid City
Open to traffic
US 16A Tunnel   [Map · Street View]
Tunnel on US 16A
Open to traffic