US Bridges

Day County, South Dakota bridges

Day County has 34 bridges and culverts in the National Bridge Inventory, the oldest built in 1920. 9 (26%) are rated poor. The most common type is culvert (53%).

Bridges
34
Good
44%
Fair
29%
Poor
26%
9 bridges
Average age
53.6 yrs
Posted or closed
9

Map of bridges in Day County

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

Search bridges in Day County

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Condition

26%poor
Good44%(15)
Fair29%(10)
Poor26%(9)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 3 bridges319201930s: 11 bridges1119301940s: 0 bridges19401950s: 0 bridges19501960s: 1 bridges119601970s: 3 bridges319701980s: 1 bridges119801990s: 3 bridges319902000s: 6 bridges620002010s: 1 bridges120102020s: 5 bridges52020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. 446A Avenue over Blue Dog Lake
    852 vehicles/day
    Good
  2. SD027 over Antelope Ck
    428 vehicles/day
    Fair
  3. SD027 over Ck
    428 vehicles/day
    Fair
  4. 130th Street over Creek
    385 vehicles/day
    Fair
  5. 130th Street over Creek
    376 vehicles/day
    Good

Longest

  1. 423rd Avenue over Burlington Northern RR
    206 ft
    Poor
  2. SD027 over Ck
    163 ft
    Fair
  3. 425th Avenue over Burlington Northern RR
    102 ft
    Poor
  4. SD027 over Mud Ck
    93 ft
    Fair
  5. 448th Avenue over Creek
    60 ft
    Good

Oldest

  1. 412th Avenue over Creek
    Built 1920
    Poor
  2. 137th Street over Creek
    Built 1926
    Poor
  3. 418th Avenue over Antelope Creek
    Built 1928
    Poor
  4. 130th Street over Creek
    Built 1930
    Good
  5. 412th Avenue over Mud Creek
    Built 1930
    Fair

All bridges in Day County

Busiest first · showing 1–34 of 34
Bridges in Day County
BridgeLocationBuiltTypeLengthDaily trafficCondition
446A Avenue over Blue Dog Lake
No. 000000019345165
1.5E & 0.5N of Waubay2023Culvert50 ft852Good
SD027 over Antelope Ck
No. 000000019070012
1.2 S Marshall CO Line1970Culvert21 ft428Fair
SD027 over Ck
No. 000000019070046
4.7 S Marshall CO Line1970Slab163 ft428Fair
130th Street over Creek
No. 000000019099060
0.5N & 2.9E of Pierpont1935Culvert21 ft385Fair
130th Street over Creek
No. 000000019019060
0.5 N & 5.1 W of Pierpont1930Culvert22 ft376Good
128th Street over Creek
No. 000000019346040
2N & 10.6E of Roslyn2011Culvert27 ft307Good
128th Street over Creek
No. 000000019355040
2 N & 11.5 E of Roslyn1993Tee Beam25 ft307Fair
425th Avenue over Burlington Northern RR
No. 000000019130171
1.6E & 0.6S of Bristol1960Stringer/Multi-beam or Girder102 ft274Poor
423rd Avenue over Burlington Northern RR
No. 000000019113165
3rd Street - Bristol1938Stringer/Multi-beam or Girder206 ft218Poor
SD027 over Mud Ck
No. 000000019070089
8.9 S Marshall CO Line1970Slab93 ft209Fair
137th Street over Creek
No. 000000019008130
3.2 W & 1 S of Andover1926Stringer/Multi-beam or Girder21 ft115Poor
12590-416th Avenue over Ck
No. 000000019040019
3W & 4.IN Pierpont1932Stringer/Multi-beam or Girder22 ft70Poor
412th Avenue over Creek
No. 000000019000083
4 W & 3.7 N of Andover1985Tee Beam30 ft69Fair
412th Avenue over Creek
No. 000000019000108
4 W & 1.2 N of Andover1934Culvert21 ft69Fair
412th Avenue over Creek
No. 000000019000127
0.7 S & 4 W of Andover1920Slab23 ft69Poor
412th Avenue over Mud Creek
No. 000000019000167
4 W & 4.7 S of Andover1930Slab33 ft69Fair
415th Avenue over Antelope Creek
No. 000000019030019
4.1N & 4.0W of Pierpont2000Culvert21 ft69Good
448th Avenue over Creek
No. 000000019358167
2.5E & 0.3N of Waubay1993Tee Beam60 ft69Good
416th Avenue over Pickerel Creek
No. 000000019040180
6S of Andover1995Culvert25 ft42Good
415th Avenue over Antelope Creek
No. 000000019030032
3.3N & 4W of Pierpont2004Culvert25 ft30Good
130th Street over Creek
No. 000000019031060
.5N & 3.9W of Pierpont1930Culvert21 ft27Fair
133rd Street over Tributary to Mud Creek
No. 000000019062090
2.5S & 0.8W of Pierpont2006Culvert23 ft25Good
133rd Street over Tributary to Mud Creek
No. 000000019066090
2.3S & 0.4W of Pierpont2006Culvert23 ft25Good
420th Avenue over Creek
No. 000000019080043
1E & 1.7N of Pierpont2009Culvert26 ft25Good
416th Avenue over Creek
No. 000000019040041
3 W & 2 N of Pierpont2024Culvert25 ft24Good
127th Street over Creek
No. 000000019025030
4.5W & 3N Pierpont2024Culvert25 ft23Good
414th Avenue over Creek
No. 000000019020032
5W & 2.9N Pierpont1930Stringer/Multi-beam or Girder24 ft15Fair
127th Street over Creek
No. 000000019021030
3N & 4.9W Pierpont1930Stringer/Multi-beam or Girder23 ft15Poor
418th Avenue over Antelope Creek
No. 000000019060012
4.8N & 1W of Pierpont1928Stringer/Multi-beam or Girder30 ft15Poor
418th Avenue over Tributary to Mud Creek
No. 000000019060089
2.9S & 1.0W of Pierpont2006Culvert23 ft15Good
126th Street over Antelope Creek
No. 000000019013020
4 N & 5.7 W of Pierpont2021Culvert20 ft13Good
413th Avenue over Creek
No. 000000019010132
1.2 S & 3 W Andover2023Culvert21 ft12Good
133rd Street over Creek
No. 000000019088090
2.5S & 1.8E of Pierpont1935Stringer/Multi-beam or Girder21 ft10Poor
421st Avenue over Antelope Creek
No. 000000019090012
4.8N & 2E of Pierpont1935Truss - Thru45 ft10Poor

Structure types in Day County

Culvert1852.9%
Stringer/Multi-beam or Girder823.5%
Slab411.8%
Tee Beam38.8%
Truss - Thru12.9%

Other counties in South Dakota