US Bridges

Prairie County, Montana bridges

Prairie County has 46 bridges and culverts in the National Bridge Inventory, the oldest built in 1907. 5 (11%) are rated poor. The most common type is stringer/multi-beam or girder (65%).

Bridges
46
Good
9%
Fair
80%
Poor
11%
5 bridges
Average age
63.5 yrs
Posted or closed
4

Map of bridges in Prairie County

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

Search bridges in Prairie County

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

Condition

11%poor
Good9%(4)
Fair80%(37)
Poor11%(5)

When they were built

<1900: 0 bridges<19001900s: 1 bridges119001910s: 0 bridges19101920s: 1 bridges119201930s: 10 bridges1019301940s: 6 bridges619401950s: 1 bridges119501960s: 7 bridges719601970s: 14 bridges1419701980s: 2 bridges219801990s: 0 bridges19902000s: 2 bridges220002010s: 1 bridges120102020s: 1 bridges12020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I 94 over Ash Creek
    3,878 vehicles/day
    Fair
  2. I 94 over Int Powder River
    3,045 vehicles/day
    Fair
  3. I 94 over RR
    2,219 vehicles/day
    Fair
  4. I 94 over Yellowstone River
    2,219 vehicles/day
    Fair
  5. I 94 over Yellowstone River
    2,219 vehicles/day
    Fair

Longest

  1. I 94 over Yellowstone River
    1,169 ft
    Fair
  2. I 94 over Yellowstone River
    1,169 ft
    Fair
  3. Frontage Road 114 over Yellowstone River 015
    1,145 ft
    Fair
  4. Milwaukee RD over Yellowstone River 030
    1,078 ft
    Fair
  5. S 253 over Yellowstone River
    896 ft
    Fair

Oldest

  1. Milwaukee RD over Yellowstone River 030
    Built 1907
    Fair
  2. Cb Route RD over Br Main Canal 035
    Built 1928
    Poor
  3. Old HWY 10 W over Williams Coulee 007
    Built 1930
    Poor
  4. Old HWY 10 W over Conn`s Coulee 021
    Built 1930
    Fair
  5. Old HWY 10 W over Drainage 022
    Built 1930
    Fair

All bridges in Prairie County

Busiest first · showing 1–46 of 46
Bridges in Prairie County
BridgeLocationBuiltTypeLengthDaily trafficCondition
I 94 over Ash Creek
No. I00094178+04401
2M E Terry1969Culvert30 ft3,878Fair
I 94 over Int Powder River
No. I00094169+01012
7M SW Terry1971Slab78 ft3,045Fair
I 94 over RR
No. I00094185+00822
SW Fallon1977Stringer/Multi-beam or Girder232 ft2,219Fair
I 94 over Yellowstone River
No. I00094186+09711
1M N Fallon1978Stringer/Multi-beam or Girder1,169 ft2,219Fair
I 94 over Yellowstone River
No. I00094186+09712
1M N Fallon1978Stringer/Multi-beam or Girder1,169 ft2,219Fair
I 94 over Sep Montana Road
No. I00094165+01051
11M SW Terry1971Slab78 ft2,137Fair
I 94 over Sep Montana Road
No. I00094165+01052
11M SW Terry1971Slab78 ft2,137Fair
I 94 over Int Powder River
No. I00094169+01011
7M SW Terry1971Slab78 ft2,137Fair
I 94 over Powder River
No. I00094169+07741
7M SW Terry1971Stringer/Multi-beam or Girder538 ft2,137Fair
I 94 over Powder River
No. I00094169+07742
7M SW Terry1971Stringer/Multi-beam or Girder539 ft2,137Fair
I 94 over RR
No. I00094179+05171
3M E Terry1969Stringer/Multi-beam or Girder502 ft1,939Fair
I 94 over RR
No. I00094179+05172
3M E Terry1969Stringer/Multi-beam or Girder440 ft1,939Fair
I 94 over O`fallon Creek
No. I00094184+01151
1M SW Fallon1969Stringer/Multi-beam or Girder276 ft1,939Good
I 94 over O`fallon Creek
No. I00094184+01152
1M SW Fallon1969Stringer/Multi-beam or Girder276 ft1,939Fair
I 94 over RR
No. I00094185+00821
SW Fallon1977Stringer/Multi-beam or Girder227 ft1,939Fair
Ten Mile RD over Int Terry-I 94
No. S00253000+00311
SE Terry1971Stringer/Multi-beam or Girder325 ft1,114Fair
Old HWY 10 W over Williams Coulee 007
No. L40004000+01001
13M SW Terry1930Stringer/Multi-beam or Girder77 ft507Poor
Old HWY 10 W over Powder River 040
No. L40004006+02001
6M SW Terry1945Truss - Thru636 ft507Fair
Old HWY 10 W over Conn`s Coulee 021
No. L40004009+01001
3M SW Terry1930Stringer/Multi-beam or Girder58 ft507Fair
Old HWY 10 W over Drainage 022
No. L40004011+05001
1M SW Terry1930Stringer/Multi-beam or Girder39 ft507Fair
Old HWY 10 E over O`fallon Creek 043
No. L40004021+03001
1M W Fallon1948Stringer/Multi-beam or Girder224 ft507Fair
Old HWY 10 E over RR 046
No. L40004021+04001
1M W Fallon1934Tee Beam148 ft507Fair
S 253 over Yellowstone River
No. S00253001+03031
1M NE Terry1959Girder and Floorbeam System896 ft441Fair
S 253 over Cherry Creek
No. S00253005+00301
4M N Terry2007Stringer/Multi-beam or Girder330 ft441Fair
S 253 over Brackett Creek
No. S00253008+04031
8M NW Terry1935Stringer/Multi-beam or Girder95 ft404Fair
S 253 over Cedar Creek
No. S00253009+08031
9M NW Terry1935Stringer/Multi-beam or Girder133 ft404Poor
S 253 over Drainage
No. S00253017+08031
17M NW Terry1940Stringer/Multi-beam or Girder76 ft368Fair
S 253 over Drainage
No. S00253019+02031
18M NW Terry1940Stringer/Multi-beam or Girder95 ft368Poor
S 253 over Cedar Creek
No. S00253022+08031
22M NW Terry1947Stringer/Multi-beam or Girder75 ft368Fair
S 340 over Int Fallon-I 94
No. S00340000+04871
Fallon1978Stringer/Multi-beam or Girder275 ft367Fair
S 340 over Plum Coulee Creek
No. 000000202006689
1M SE Fallon2020Culvert30 ft162Good
Conns Coulee RD over Sep Jens I 94 002
No. L40069002+02001
2M SW Terry1971Stringer/Multi-beam or Girder404 ft100Fair
Ten Mile RD over Coal Creek 005
No. L40104017+04001
18M S Terry1987Culvert30 ft100Fair
Cabin Creek RD over Cabin Creek 008
No. L40112001+07001
13M NE Mildred2012Tee Beam97 ft100Good
Frontage Road 114 over Yellowstone River 015
No. L40114001+05001
1M NE Fallon1945Truss - Thru1,145 ft100Fair
Fallon Tower RD over Sep I 94 003
No. L40114002+01001
2M NE Fallon1977Stringer/Multi-beam or Girder305 ft100Fair
County Road 119 over Br Main Canal 038
No. L40119000+03001
5M NE Fallon1936Stringer/Multi-beam or Girder40 ft100Fair
Spring Creek RD over Cabin Creek 011
No. L40124003+06001
13M NE Mildred1933Truss - Thru62 ft100Fair
Frontage Road 168 over Sep I 94 001
No. L40168004+00001
2M SW Fallon1969Stringer/Multi-beam or Girder337 ft100Fair
Cb Route RD over Br Main Canal 035
No. L40108001+02001
3M NE Fallon1928Stringer/Multi-beam or Girder65 ft80Poor
Cb Route RD over Br Main Canal 036
No. L40108001+04001
3M NE Fallon1938Stringer/Multi-beam or Girder68 ft80Poor
Cb Route RD over Br Main Canal 037
No. L40108002+04001
4M NE Fallon1966Tee Beam25 ft80Fair
Cb Route RD over Buffalo Rapids CANAL042
No. L40108003+00001
5M NE Fallon1939Stringer/Multi-beam or Girder39 ft80Fair
Milwaukee RD over Yellowstone River 030
No. L40042002+06001
4M SW Terry1907Truss - Thru1,078 ft37Fair
Whitney Creek RD over O`fallon Creek 017
No. L40105024+08001
SW Mildred2003Stringer/Multi-beam or Girder202 ft32Good
Cabin Creek RD over Cabin Creek
No. S00504012+05151
19M SE Fallon1988Culvert30 ft27Fair

Structure types in Prairie County

Stringer/Multi-beam or Girder3065.2%
Truss - Thru48.7%
Culvert48.7%
Slab48.7%
Tee Beam36.5%
Girder and Floorbeam System12.2%

Other counties in Montana