Bridges in Ziebach County, South Dakota

30Total Bridges

7Good

20Fair

3Poor

Ziebach County, South Dakota has 30 bridges tracked in the National Bridge Inventory. Of these, 3 (10%) are rated in poor condition and 7 are rated good. The oldest bridge in Ziebach County is Four Corners Road over Ck, built in 1930. The longest is IRR Sd063 over Cheyenne Rv at 2108.9 feet.

Bridge	Condition	Length	Traffic	Year
IRR Sd063 over Dupree Ck	Poor	118.4 ft	590	1961
Four Corners Road over Ck	Poor	62.0 ft	16	1930
IRR County Road over Bear Ck	Poor	40.0 ft	10	1935
IRR Us212 over Ck	Fair	24.9 ft	1,291	1954
IRR Us212 over Bear Ck	Fair	128.6 ft	1,130	1954
IRR Us212 over Bear Ck	Fair	73.5 ft	1,083	1955
IRR Sd063 over Rudy Ck Tributary	Fair	20.7 ft	590	1994
IRR Sd063 over Rudey Ck	Fair	38.7 ft	590	1993
IRR Sd065 over Ck	Fair	28.9 ft	580	1995
IRR Sd065 over Moreau Rv	Fair	370.1 ft	580	1972
IRR Sd063 over Cheyenne Rv	Fair	2108.9 ft	405	1981
IRR BIA RTE 6 over Rattlesnake Creek	Fair	87.9 ft	293	1986
IRR BIA RTE 6 over Red Coat Creek	Fair	87.9 ft	275	1976
IRR BIA RTE 12 over Big Cottonwood Creek	Fair	94.2 ft	217	1969
IRR BIA RTE 12 over Little Cottonwood Creek	Fair	94.2 ft	205	1969
IRR BIA RTE 6 over Red Scaffold Creek	Fair	80.1 ft	165	1960
Thunder Butte Road over Thunder Butte Ck	Fair	184.1 ft	143	1969
Thunder Butte Road over Moreau Rv	Fair	334.0 ft	143	1969
IRR BIA RTE 9 over Abear Creek	Fair	69.9 ft	93	1962
Iron Lightening RD over Bear Ck	Fair	74.1 ft	35	1954
Leedom Pike RD over Moreau Rv	Fair	42.7 ft	20	1993
IRR County Road over Flint Rock Ck	Fair	136.2 ft	16	1945
173 ST (meade Co) over Beaver Ck	Fair	32.5 ft	10	1935
IRR BIA RTE 6 over Ash Creek	Good	105.3 ft	814	1968
IRR Sd065 over Bear Ck	Good	76.8 ft	580	1984
IRR Sd065 over Red Earth Ck	Good	93.2 ft	580	1984
IRR BIA RTE 11 over Cherry Creek	Good	157.2 ft	250	1968
IRR Sd020 over Irish Ck	Good	157.5 ft	125	1975
IRR BIA RTE 13 over Cherry Creek	Good	220.1 ft	80	1987
Four Corner Road over Luis Ck	Good	27.9 ft	14	2005

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