Bridges in Gregory County, South Dakota

51Total Bridges

15Good

31Fair

5Poor

Gregory County, South Dakota has 51 bridges tracked in the National Bridge Inventory. Of these, 5 (9%) are rated in poor condition and 15 are rated good. The oldest bridge in Gregory County is 297 Street over Ck, built in 1920. The longest is Sd1806 over Whetstone Ck at 305.1 feet.

Bridge	Condition	Length	Traffic	Year
354 Avenue over Ponca Ck	Poor	166.3 ft	189	1952
State Park RD over South Scalp Ck	Poor	55.1 ft	50	1963
352 Avenue over Willow Ck	Poor	208.0 ft	36	1956
366 Avenue over North Scalp Ck	Poor	21.7 ft	36	2015
297 Street over Ck	Poor	40.0 ft	10	1920
Sd047 over Ck	Fair	105.6 ft	552	1957
Sd047 over Ck	Fair	31.2 ft	552	1957
Sd044 over Lone Tree Ck	Fair	86.6 ft	540	1971
Sd044 over Dixon Ck	Fair	99.7 ft	540	1971
Sd044 over Ck	Fair	26.2 ft	540	1971
Sd047 over Ponca Ck	Fair	184.7 ft	326	1961
Sd047 over Ck	Fair	86.6 ft	326	1961
294 Street over Ponca Ck	Fair	139.1 ft	140	1950
333 Avenue over Ck	Fair	128.0 ft	135	1955
349 Avenue over Ponca Ck	Fair	162.1 ft	120	1949
333 Avenue over Bull Ck	Fair	99.1 ft	114	1965
333 Avenue over Bull Ck	Fair	80.1 ft	99	1958
333 Avenue over Bull Ck	Fair	99.1 ft	96	1965
290 Street over South Fork Whetstone Ck	Fair	128.6 ft	65	1949
State Park RD over Randall Ck	Fair	103.0 ft	50	2020
333 Avenue over Bull Ck	Fair	133.9 ft	36	1965
347 Avenue over Ck	Fair	32.2 ft	36	1988
349 Avenue over South Fork Whetstone Ck	Fair	24.6 ft	36	1997
298 Street over Willow Ck	Fair	46.9 ft	36	1930
352 Avenue over Squaw Ck	Fair	138.5 ft	36	1956
355 Avenue over Ponca Ck	Fair	40.0 ft	36	1991
Lodge Road over Randall Ck	Fair	40.0 ft	36	1984
Fort Randall Road over Randall Ck	Fair	29.9 ft	36	1985
295 Street over Ponca Ck	Fair	49.9 ft	35	1982
W. Whetstone Road over North Fork Whetstone Ck	Fair	35.1 ft	32	1982
371 Avenue over South Scalp Ck	Fair	40.0 ft	23	1977
371 Avenue over South Scalp Ck	Fair	40.0 ft	23	1977
335 AVE over Creek	Fair	22.0 ft	16	2004
335 Avenue over Ck	Fair	28.2 ft	15	2023
355 AVE over Squaw Ck	Fair	24.0 ft	12	2005
350 Avenue over Coon Ck	Fair	201.1 ft	10	1949
345 Avenue over South Fork Whetstone Ck	Good	27.2 ft	560	2001
Sd044 over Bull Ck	Good	106.0 ft	540	1971
Sd044 over Ck	Good	143.4 ft	504	1964
Sd251 over Ponca Ck	Good	60.4 ft	400	1984
Sd251 over Masdon Ck	Good	24.6 ft	400	1996
Sd1806 over Whetstone Ck	Good	305.1 ft	157	1977
361 Avenue over Ck	Good	40.0 ft	65	1978
Randall Road over Randall Ck	Good	24.6 ft	65	2003
281 Street over Bull Creek	Good	49.9 ft	36	2001
279 Street over Ck	Good	21.3 ft	36	2018
342 Avenue over Ponca Ck	Good	26.9 ft	36	2007
342 Avenue over Ck	Good	32.2 ft	36	1932
Randall Road over Randall Ck	Good	29.2 ft	36	1992
359 Avenue over Whetstone Ck	Good	128.0 ft	30	2003
358 Avenue over North Fork Whetstone Ck	Good	40.0 ft	20	2001

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