Bridges in South Dakota

5,883Total Bridges

2,038Good

2,900Fair

945Poor

Bridge Conditions in South Dakota

South Dakota has 5,883 bridges tracked in the National Bridge Inventory. Of these, 945 (16%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in South Dakota is 49 years old.

South Dakota Bridge Facts

Total Bridges	5,883
Good Condition	2,038
Fair Condition	2,900
Poor Condition	945
Average Bridge Age	49 years
Longest Bridge	5655.5 ft

Longest Bridges in South Dakota

Sd044 over Mo. Rv (lk Francis Case)5655.5 ftFair IRR Us012 over Missouri Rv (oahe Lk)5058.4 ftFair IRR Us212 over Missouri Rv (oahe Lk)4619.4 ftFair IRR Sd1806 over Oahe Lk (grand Rv)4001.3 ftFair Sd037 over Missouri River2953.1 ftPoor

Counties in South Dakota

Aurora61 bridges7 poor Beadle150 bridges40 poor Bennett15 bridges3 poor Bon Homme126 bridges34 poor Brookings232 bridges53 poor Brown170 bridges20 poor Brule38 bridges3 poor Buffalo25 bridges1 poor Butte142 bridges20 poor Campbell16 bridges Charles Mix103 bridges24 poor Clark21 bridges1 poor Clay93 bridges14 poor Codington75 bridges14 poor Corson49 bridges4 poor County 10235 bridges2 poor Custer94 bridges5 poor Davison123 bridges22 poor Day34 bridges9 poor Deuel72 bridges13 poor Dewey27 bridges4 poor Douglas44 bridges7 poor Edmunds20 bridges5 poor Fall River80 bridges5 poor Faulk46 bridges11 poor Grant205 bridges38 poor Gregory51 bridges5 poor Haakon69 bridges8 poor Hamlin61 bridges7 poor Hand126 bridges40 poor Hanson62 bridges8 poor Harding49 bridges1 poor Hughes40 bridges8 poor Hutchinson160 bridges24 poor Hyde23 bridges5 poor Jackson89 bridges13 poor Jerauld35 bridges8 poor Jones37 bridges2 poor Kingsbury35 bridges10 poor Lake79 bridges4 poor Lawrence136 bridges16 poor Lincoln207 bridges32 poor Lyman114 bridges12 poor Marshall38 bridges13 poor McCook98 bridges7 poor McPherson14 bridges Meade213 bridges27 poor Mellette28 bridges2 poor Miner63 bridges19 poor Minnehaha394 bridges36 poor Moody88 bridges18 poor Pennington348 bridges21 poor Perkins60 bridges3 poor Potter24 bridges Roberts158 bridges40 poor Sanborn54 bridges7 poor Spink176 bridges53 poor Stanley37 bridges6 poor Sully31 bridges6 poor Todd27 bridges7 poor Tripp89 bridges22 poor Turner143 bridges38 poor Union169 bridges41 poor Walworth33 bridges1 poor Yankton99 bridges13 poor Ziebach30 bridges3 poor

Poor Condition Bridges in South Dakota

Bridge	County	Length	Traffic	Year
Us012 over Moccasin Ck	Brown	119.4 ft	21,635	1954
49th Street over Big Sioux River	Minnehaha	257.5 ft	13,800	1979
S. Cliff Avenue over Big Sioux River	Minnehaha	324.1 ft	9,363	1986
I090 W over Sd038	Minnehaha	239.2 ft	8,815	1989
I029 N over 302 ST (fas 6372)	Union	119.1 ft	8,020	1960
I029 S over Big Sioux Rv	Moody	398.3 ft	7,985	1966
I029 N over Big Sioux Rv	Moody	398.3 ft	7,985	1966
Capitol AVE over Capitol Lake Outlet	Hughes	68.6 ft	7,155	1950
River Boulevard over Big Sioux River	Minnehaha	407.2 ft	5,300	1975
14th Ave. N Wtn. over Big Sioux Rv	Codington	100.1 ft	4,970	1974
Chapel Lane over Rapid Ck	Pennington	182.1 ft	4,700	1974
Sd050 over R&w Rr	Brule	212.3 ft	4,431	1952
Grant Street over Spearfish Ck	Lawrence	82.0 ft	3,981	1988
W 23rd Street over Marne Creek	Yankton	40.4 ft	3,980	1976
Sd037 over Ck	Davison	30.8 ft	3,776	1946
Us014 over James Rv	Beadle	326.4 ft	3,601	1960
Sd011 over West Pipestone Ck	Minnehaha	186.0 ft	3,442	1953
Us281 over Elm Rv	Brown	291.3 ft	3,041	1959
Us012 over Ck	Edmunds	20.3 ft	2,666	1974
I090 Wf over R&w Rr	Lyman	249.3 ft	2,622	1953
2nd Avenue over Bnsf Railroad	Grant	228.0 ft	2,560	1914
258th ST HWY 130 over Big Sioux River	Minnehaha	324.1 ft	2,419	1966
Us385 over Horse Ck	Pennington	32.2 ft	2,378	1947
10th Avenue SE over Moccasin Creek	Brown	63.0 ft	2,069	1974
County RD 014b over Miller Ck	Lawrence	24.0 ft	2,000	1934
31 ST NE over Willow Creek	Codington	43.0 ft	1,904	1990
IRR BIA RTE 7 over Little White River	Todd	109.9 ft	1,851	1972
Us014a over Ice Box Ck	Lawrence	29.2 ft	1,725	1964
Sd044 over North Br Dry Ck	Hutchinson	86.6 ft	1,651	1964
Sd022 over Ck	Deuel	20.7 ft	1,559	1959
I-90 Service Road over Crow Ck	Lawrence	62.0 ft	1,500	1940
Sioux Conifer Road over Big Sioux Rv	Codington	80.1 ft	1,499	1940
Lamesa DR HWY 137 over Trib To Skunk Ck	Minnehaha	42.0 ft	1,492	1982
134th Street over Creek	Brown	26.9 ft	1,400	1930
IRR Us012 over Claymore Ck	Corson	251.6 ft	1,378	1958
470th Avenue over Big Sioux Rv	Brookings	77.1 ft	1,330	1930
IRR BIA RTE 2 over Potato Creek	Jackson	67.9 ft	1,314	1942
471st Avenue over Ck	Brookings	52.5 ft	1,305	1925
Sd013 over Medary Ck	Brookings	76.1 ft	1,275	1938
Country Road over Box Elder Ck	Pennington	46.9 ft	1,214	1950
472nd AVE HWY 133 over Trib To Big Sioux Rv	Minnehaha	54.1 ft	1,204	1955
455 Avenue over Mahoney Ck	Codington	79.4 ft	1,167	1940
471st Avenue over Br North Deer Ck	Brookings	92.2 ft	1,163	1925
478th Avenue over Ck	Brookings	90.9 ft	1,159	1950
246th ST HWY 104 over Skunk Ck	Minnehaha	91.9 ft	1,135	1953
IRR BIA RTE 5 over Little White River	Todd	99.1 ft	1,050	1967
IRR BIA RTE 5 over Little White River	Todd	99.1 ft	1,050	1967
IRR BIA RTE 5 over Little White River	Todd	99.1 ft	1,019	1965
487th AVE HWY 103 over Beaver Creek	Minnehaha	119.1 ft	1,006	1967
State Park RD over Center Lake Inlet	Custer	24.3 ft	1,000	1950
Town Street (us16) over Abandon Line Rr	Pennington	101.0 ft	1,000	1930
Jasper ST HWY 104 over Trib To Big Sioux Rv	Minnehaha	34.1 ft	994	1922
Jasper ST HWY 104 over Trib To Big Sioux Rv	Minnehaha	36.4 ft	974	1938
Cedar Street over Marne Creek	Yankton	100.1 ft	969	1978
250th ST HWY 114 over Slip-up Creek	Minnehaha	54.1 ft	965	1956
IRR Sd034 over Campbell Ck	Hyde	30.8 ft	918	1963
208th ST over South Fork Pearl Ck	Kingsbury	29.9 ft	913	1933
Bennet Road over Box Elder Ck	Pennington	40.0 ft	881	1973
258th ST HWY 130 over Willow Ck	Minnehaha	66.9 ft	878	1979
IRR Sd127 over Little Minnesota Rv	Roberts	209.0 ft	872	1953
Sd037 over Missouri River	Bon Homme	2953.1 ft	830	1996
45520 275 ST over West Fork Vermillion Rv	Turner	229.0 ft	758	1952
45650 275 ST over East Fork Vermillion Rv	Turner	154.5 ft	747	1958
478th Avenue over Deer Ck	Brookings	29.9 ft	712	1950
W. Milbank St-milb over South Fork Whetstone Rv	Grant	65.0 ft	696	1984
Sd034 over Chapelle Ck	Hughes	196.5 ft	691	1949
Us212 over South Fork Snake Ck	Faulk	122.0 ft	688	1939
455 Avenue over Ck	Codington	67.9 ft	672	1940
Us018 over James Rv	Hutchinson	411.4 ft	668	1956
IRR BIA RTE 5 over Counselor Creek	Lyman	94.2 ft	663	1965
Us014 over Belcher Ck	Haakon	118.4 ft	660	1955
248th ST HWY 110 over Skunk Ck	Minnehaha	128.6 ft	607	1963
216th Street over Ck	Brookings	39.0 ft	597	1935
IRR Sd063 over Dupree Ck	Ziebach	118.4 ft	590	1961
258th ST HWY 130 over Skunk Creek	Minnehaha	145.3 ft	589	1977
Minnekahta Avenue over Fall Rv	Fall River	64.0 ft	588	1934
461 AVE over Ck	Lake	25.9 ft	580	1950
46220 275 ST over Long Ck	Turner	40.0 ft	570	1977
IRR Sd034 over Cheyenne Rv	Haakon	1204.1 ft	567	1962
IRR Us018 over Creek	Douglas	105.6 ft	556	1961
700 S. Dakota Ave. over Vermillion Rv	Clay	290.0 ft	550	1975
Sd045 over Ck	Hand	20.3 ft	538	1928
Sd049 over Ck	Tripp	86.6 ft	502	1972
8th Avenue SE over Moccasin Creek	Brown	62.0 ft	500	1976
Camp Comfort Road over Spearfish Ck	Lawrence	49.9 ft	500	1975
Whitewood Service over County RD Rc P&e Rr	Lawrence	253.9 ft	500	1937
48480 Co HWY 13 over Green Ck	Union	50.9 ft	500	1985
466th Avenue over Saddle Creek	Lincoln	145.0 ft	495	1964
460 Avenue over Willow Ck	Codington	49.9 ft	472	2001
176 Street over Big Sioux Rv	Codington	111.9 ft	468	1971
471st Street over North Deer Ck	Brookings	74.1 ft	462	1925
Sd037 over Ck	Spink	30.8 ft	462	1958
484th AVE HWY 109 over Split Rock Creek	Minnehaha	255.6 ft	448	1974
47400 302 St. over West Brule Ck	Union	105.6 ft	435	1960
Nemo Road over Boxelder Ck	Lawrence	69.9 ft	425	1974
IRR Ar Sd047 over Br West Fork Elm Ck	Hyde	29.2 ft	405	1959
487th AVE HWY 103 over Trib To Split Rock Ck	Minnehaha	51.8 ft	398	1977
403rd Avenue over Firesteel Ck	Davison	89.9 ft	390	1910
188 Street over Ck	Deuel	26.9 ft	381	1930
486th Avenue over Spring Creek	Brookings	61.0 ft	361	1950