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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

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

Mickelson Trail - Tunnel #1 [Map]
Tunnel under Hill on Mickelson Trail
Open to pedestrians only
Built 1890

Mickelson Trail - Tunnel #2 [Map]
Tunnel under Hill on Mickelson Trail
Open to pedestrians only
Built 1890

Mickelson Trail - Tunnel #3 [Map]
Tunnel under Hill on Mickelson Trail
Open to pedestrians only
Built 1890

Mickelson Trail - Tunnel #4 [Map]
Tunnel under hillside on Mickelson Trail
Open to pedestrians only
Built 1890

Mickelson Trail - Tunnel #4 [Map]
Tunnel under Hill on Mickelson Trail
Open to pedestrians only
Built 1890

MILW - 201st Avenue Bridge [Map]
Timber stringer bridge over unnamed tributary of White River on Chicago Milwaukee St Paul & Pacific RR (abandoned)
Open to authorized vehicles only

MILW - Conata Bridge [Map]
Abandoned timber stringer bridge over unnamed tributary of White River on Chicago Milwaukee St Paul & Pacific RR (abandoned)
Derelict/abandoned

MILW - Hurley Butte East Bridge [Map]
Bridge over unnamed tributary of White River on Chicago Milwaukee St Paul & Pacific RR (abandoned)
Open to authorized vehicles only

MILW - Hurley Butte West Bridge [Map]
Timber stringer bridge over unnamed tributary of White River on Chicago Milwaukee St Paul & Pacific RR (abandoned)
Open to authorized vehicles only

Mulligan Mile Bridge [Map · Street View]
Bedstead Pratt pony truss bridge over Spring Creek on Mulligan Mile
Open to traffic

Museum Dr Bridge [Map · Street View]
Steel stringer bridge over Mickelson Trail on Museum Drive
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

RCPE - Boxelder Creek Bridge (Black Hawk) [Map]
Quadrangular Lattice through truss bridge over boxelder Creek on Rapid City, Pierre & Eastern Railroad
Open to traffic
Built Ca. 1880 at an unknown location(s), moved here after 1918

RCPE - Cheyenne River Bridge [Map · Street View]
Through truss bridge over Cheyenne River on Rapid City, Pierre & Eastern Railroad
Open to traffic
Built 1927, Using two Ca. 1885 Spans

RWRR - Cheyenne River Bridge [Map]
Pratt through truss bridge over Cheyenne River on Ringneck & Western Railroad
Intact but closed to all traffic
Built 1907

RWRR - Rapid Creek Bridge #1 [Map]
Pony/through plate girder bridge over Rapid Creek on Ringneck & Western Railroad
Intact but closed to all traffic
Built 1936 using a pair of secondhand 1887 girders

RWRR - Rapid Creek Bridge #4 [Map · Street View]
Deck Girder Bridge over Rapid Creek on Ringneck & Western Railroad
Closed to all traffic
Built 1924 and 1935 using secondhand pieces

RWRR - Unnamed Creek Bridge [Map · Street View]
Abandoned bridge over unnamed creek on Closed Ringneck & Western Railroad
Intact but closed to all traffic

Trib Box Elder Creek Bridge [Map · Street View]
Slab bridge over Trib Box Elder Creek on Hwy 1416
Open to traffic
Built 1924; rehabilitated 2005

Tributary of Boxelder Creek Bridge [Map · Street View]
Slab bridge over Tributary of Boxelder Creek on Hwy 1416
Open to traffic
Built 1936; rehabilitated 2009

Tributary of Boxelder Creek Bridge [Map · Street View]
Slab bridge over Tributary of Boxelder Creek on Hwy 1416
Open to traffic
Built 1924; rehabilitated 1935

US 16A Tunnel [Map · Street View]
Tunnel on US 16A
Open to traffic