US Bridges

Corson County, South Dakota bridges

Corson County has 49 bridges and culverts in the National Bridge Inventory, the oldest built in 1930. 4 (8%) are rated poor. The most common type is stringer/multi-beam or girder (45%).

Bridges
49
Good
39%
Fair
53%
Poor
8%
4 bridges
Average age
46.6 yrs
Posted or closed
3

Map of bridges in Corson County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Corson County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

8%poor
Good39%(19)
Fair53%(26)
Poor8%(4)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 3 bridges319301940s: 0 bridges19401950s: 3 bridges319501960s: 16 bridges1619601970s: 6 bridges619701980s: 5 bridges519801990s: 4 bridges419902000s: 6 bridges620002010s: 3 bridges320102020s: 3 bridges32020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. IRR US012 over Claymore Ck
    1,378 vehicles/day
    Poor
  2. IRR US012 over Deep Bank Ck
    1,091 vehicles/day
    Fair
  3. IRR US012 over Br Snake Ck
    1,091 vehicles/day
    Fair
  4. IRR US012 over Snake Ck
    1,091 vehicles/day
    Fair
  5. IRR SD020 over Ck
    956 vehicles/day
    Good

Longest

  1. IRR SD1806 over Oahe Lk (grand Rv)
    4,001 ft
    Fair
  2. IRR US012 over Grand Rv
    556 ft
    Fair
  3. IRR SD063 over Grand Rv
    504 ft
    Fair
  4. IRR SD065 over Grand Rv
    399 ft
    Good
  5. IRR US012 over Claymore Ck
    252 ft
    Poor

Oldest

  1. 104th Street over Hump Creek
    Built 1930
    Poor
  2. Township Road over Dirt Lodge Creek
    Built 1932
    Poor
  3. Township Road over Hay Creek
    Built 1935
    Fair
  4. IRR SD065 over White Shirt Ck
    Built 1956
    Fair
  5. IRR SD065 over Hump Ck
    Built 1956
    Fair

All bridges in Corson County

Busiest first · showing 1–49 of 49
Bridges in Corson County
BridgeLocationBuiltTypeLengthDaily trafficCondition
IRR US012 over Claymore Ck
No. 000000016725271
2.4 W Walworth CO Line1958Stringer/Multi-beam or Girder252 ft1,378Poor
IRR US012 over Deep Bank Ck
No. 000000016666216
6.6 NW JCT Sd 201965Stringer/Multi-beam or Girder182 ft1,091Fair
IRR US012 over Br Snake Ck
No. 000000016687258
1.7 NW JCT Sd 201965Culvert21 ft1,091Fair
IRR US012 over Snake Ck
No. 000000016689259
1.5 NW JCT Sd 201966Stringer/Multi-beam or Girder143 ft1,091Fair
IRR SD020 over Ck
No. 000000016537330
8.3 W of Trail City2000Culvert21 ft956Good
IRR SD063 over Oak Ck
No. 000000016580075
1.8 N of Mclaughlin1980Stringer/Multi-beam or Girder194 ft864Fair
IRR SD063 over Ck
No. 000000016580084
0.9 N of Mclaughlin1980Stringer/Multi-beam or Girder158 ft864Good
IRR SD1806 over Burlington Northern RR
No. 000000016732234
3.0 N JCT US 121973Stringer/Multi-beam or Girder204 ft826Fair
IRR SD1806 over Oahe Lk (grand Rv)
No. 000000016737253
0.4 N JCT US 121963Stringer/Multi-beam or Girder4,001 ft826Fair
IRR US012 over Ck
No. 000000016617132
5.5 SE of Mclaughlin1964Slab117 ft636Fair
IRR US012 over Grand Rv
No. 000000016665200
8.2 NW JCT Sd 201960Stringer/Multi-beam or Girder556 ft636Fair
IRR SD065 over Firesteel Ck
No. 000000016280326
0.4 N Dewey CO Line1961Stringer/Multi-beam or Girder110 ft533Fair
IRR US012 over Burlington Northern RR
No. 000000016328018
0.2 W JCT Sd 65 S2024Stringer/Multi-beam or Girder198 ft470Good
IRR US012 over Br Hay Ck
No. 000000016066010
6.0 E Perkins CO Line1962Slab54 ft424Fair
IRR US012 over Hay Ck
No. 000000016072011
6.7 E Perkins CO Line1962Slab80 ft424Fair
IRR US012 over Burlington Northern RR
No. 000000016083011
7.9 E Perkins CO Line2024Stringer/Multi-beam or Girder237 ft424Good
IRR US012 over Hay Ck
No. 000000016154005
1.3 E of Morristown2024Stringer/Multi-beam or Girder120 ft424Good
IRR US012 over Ck
No. 000000016361020
3.1 E JCT Sd 65 S1964Culvert24 ft391Fair
IRR US012 over Ck
No. 000000016562082
2.0 W JCT Sd 631991Culvert21 ft391Good
IRR US012 over Dry Run Ck
No. 000000016574090
0.7 W JCT Sd 631964Culvert21 ft391Fair
IRR SD1806 over Oak Ck
No. 000000016720217
5.7 N JCT US 121963Stringer/Multi-beam or Girder232 ft368Fair
IRR SD073 over Burlington Northern RR
No. 000000016026001
0.1 S North Dakota Line1977Stringer/Multi-beam or Girder199 ft274Good
IRR SD065 over Grand Rv
No. 000000016323181
15 N Dewey CO Line2012Stringer/Multi-beam or Girder399 ft234Good
IRR SD065 over White Shirt Ck
No. 000000016328073
5.3 S JCT US 121956Slab152 ft234Fair
IRR SD065 over Hump Ck
No. 000000016329127
10.6 S JCT US 121956Slab175 ft234Fair
IRR SD063 over Grand Rv
No. 000000016578202
11.3 S of Mclaughlin1970Stringer/Multi-beam or Girder504 ft220Fair
IRR BIA RTE 44 over West Fork of Oak Creek
No. 00000000000A067
1 KM NE of Mahto1961Tee Beam93 ft213Fair
IRR BIA RTE 21 over Rock Creek
No. 00000000000A042
In Bullhead South Dakota1971Slab106 ft203Good
Kenel Road over Oak Creek
No. 000000016582080
0.1E JCT Sd 631968Stringer/Multi-beam or Girder158 ft156Fair
IRR BIA RTE 4 over Little Oak Creek
No. 00000000000A137
5.8KM SW of Little Eagle2002Stringer/Multi-beam or Girder97 ft116Good
IRR BIA RTE 4 over Highbank Creek Bridge
No. 00000000000A149
8.93KM SW of Little Eagle2008Stringer/Multi-beam or Girder96 ft109Good
IRR BIA RTE 2 over Stink Creek
No. 00000000000A041
3.2 KM West of Bullhead1960Slab74 ft101Fair
IRR BIA RTE 44 over North Fork of Oak Creek
No. 00000000000A068
5.6 KM SE of Mahto1961Channel Beam63 ft100Fair
IRR BIA RTE 44 over Oak Creek
No. 00000000000A152
7.2 KM SE of Mahto2010Stringer/Multi-beam or Girder100 ft100Good
220th Avenue over Hay Creek
No. 000000016140011
0.1S Morristown1977Tee Beam70 ft100Fair
IRR BIA RTE 4 over Fire Steel Creek
No. 00000000000A124
8 KM East of HWY 651987Slab119 ft45Good
211th Avenue over Black Horse Butte Ck
No. 000000016060280
4E & 27S Thunder Hawk1999Tee Beam60 ft30Good
Morristown Road over Grand River
No. 000000016149190
18S & 1E Morristown1981Box Beam or Girders - Multiple175 ft30Fair
230th Avenue over Dirt Lodge Creek
No. 000000016240136
1.2E & 11.6S Watauga1988Tee Beam75 ft30Fair
104th Street over Hump Creek
No. 000000016252040
2.5E & 2S Watauga1930Truss - Thru42 ft30Poor
Township Road over Dirt Lodge Creek
No. 000000016252149
2.2E & 12.9S Watauga1932Stringer/Multi-beam or Girder34 ft30Poor
County Road over Hump Creek
No. 000000016290081
3.7W & 6.1S Mcintosh1974Tee Beam35 ft30Fair
237th Avenue over Firesteel Creek
No. 000000016310313
3E & 6.7N Isabel2007Culvert25 ft30Good
West Bullhead Road over White Shirt Creek
No. 000000016354116
2.4E & 9.7S Mcintosh2016Culvert29 ft30Good
107th Street over Oak Creek
No. 000000016571070
1.0W & 2.0N Mclaughlin2005Tee Beam100 ft25Good
Corson County 35 over Grand River
No. 000000016042165
2.4E & 16S Thunder Hawk1990Culvert140 ft20Poor
Twin Butte Road over Grand River
No. 000000016098185
9E & 18S Thunder Hawk1990Culvert140 ft20Good
Township Road over Hay Creek
No. 000000016148012
0.8E & 0.2S Morristown1935Stringer/Multi-beam or Girder32 ft15Fair
Twin Butte Road over Trib. to Blk Horse Butte
No. 000000016091295
1.0W & 28.5S Keldron2005Culvert25 ft14Good

Structure types in Corson County

Stringer/Multi-beam or Girder2244.9%
Culvert1020.4%
Slab816.3%
Tee Beam612.2%
Truss - Thru12.0%
Channel Beam12.0%
Box Beam or Girders - Multiple12.0%

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