Bridges in Harding County, South Dakota

49Total Bridges

25Good

23Fair

1Poor

Harding County, South Dakota has 49 bridges tracked in the National Bridge Inventory. Of these, 1 (2%) are rated in poor condition and 25 are rated good. The oldest bridge in Harding County is Old HWY 85 over Sheep Ck, built in 1936. The longest is Sd079 over South Fork Grand Rv at 459.6 feet.

Bridge	Condition	Length	Traffic	Year
Old HWY 85 over Sheep Ck	Poor	78.1 ft	60	1936
Us085 over South Fork Grand Rv	Fair	254.9 ft	1,484	1963
Us085 over Buffalo Ck	Fair	105.6 ft	1,330	1964
Us085 over Sheep Ck	Fair	105.6 ft	1,248	1963
Us085 over Jones Ck	Fair	117.1 ft	1,248	1960
Us085 over Bull Ck	Fair	117.1 ft	1,248	1960
Us085 over North Br Moreau Rv	Fair	166.7 ft	1,190	1974
Us085 over Sand Ck	Fair	174.5 ft	1,190	1974
Us085 over Big Nasty Ck	Fair	117.1 ft	1,075	1960
Us085 over Crooked Ck	Fair	131.9 ft	1,075	1973
Sd079 over South Fork Grand Rv	Fair	459.6 ft	364	1957
Sd079 over Big Nasty Ck	Fair	233.9 ft	364	1962
Sd079 over North Fork Grand Rv	Fair	213.9 ft	364	1966
Sd079 over Moreau Rv	Fair	138.5 ft	356	1964
Sd020 over Rush Ck	Fair	106.0 ft	342	1975
Sd020 over Gap Ck	Fair	167.0 ft	191	1959
Camp Crook Road over Ck	Fair	40.0 ft	180	1985
Cox Road over Crooked Ck	Fair	39.0 ft	139	2016
Cave Hill RD over Bull Ck	Fair	100.1 ft	131	1977
Sd020 over Brush Ck	Fair	145.0 ft	112	1975
Camp Crook RD over Ck	Fair	30.8 ft	97	1960
Harding Cut-off over Katy Ck	Fair	44.9 ft	36	1961
Marty RD over North Fork Moreau Rv	Fair	79.1 ft	31	1986
Harding RD over South Fork Moreau Rv	Fair	119.1 ft	22	1961
Sd079 over Ck	Good	83.3 ft	364	1962
Sd079 over Ck	Good	83.0 ft	364	1962
Sd020 over Clarks Fork Ck	Good	214.9 ft	191	1995
Sd020 over Squaw Ck	Good	31.2 ft	191	1994
Sd020 over Sioux Ck	Good	41.7 ft	191	2021
Sd020 over Little Missouri Rv	Good	263.5 ft	112	2021
Sd020 over Valley Ck	Good	153.9 ft	112	2021
Ludlow RD over Coal Bank Ck	Good	29.9 ft	91	1987
Ludlow RD over Lems Ck	Good	49.9 ft	91	1987
Cox RD over Crooked Ck	Good	48.2 ft	87	2016
Harding RD over Valley Ck	Good	28.5 ft	75	2004
Lewton RD over Slick Ck	Good	25.3 ft	70	2012
N. Camp Crook RD over Slick Ck	Good	28.5 ft	64	2015
Old HWY 85 over Boxelder Ck	Good	22.6 ft	60	2021
Camp Crook RD over South Fork Moreau Rv	Good	24.6 ft	50	1999
River Road over Little Missouri Rv	Good	20.7 ft	45	2006
Ladner Road over Dry House Ck	Good	24.6 ft	45	2003
Park RD over West Squaw Ck	Good	28.5 ft	45	2008
Camp Crook RD over North Fork Stick Ck	Good	24.6 ft	44	2001
Camp Crook RD over Shaw Ck	Good	22.0 ft	36	1961
Redig RD over Ck	Good	28.5 ft	28	2018
Fas 6313 over Boxelder Ck	Good	299.9 ft	25	2013
Gilbert Hett RD over Trib. To Grand River	Good	28.5 ft	25	2008
Wagner RD over Big Nasty Ck	Good	133.9 ft	23	2017
Sorum RD over Point Ck	Good	28.5 ft	9	2006

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