US Bridges

Powell County, Montana bridges

Powell County has 113 bridges and culverts in the National Bridge Inventory, the oldest built in 1908. 7 (6%) are rated poor. The most common type is stringer/multi-beam or girder (65%).

Bridges
113
Good
32%
Fair
62%
Poor
6%
7 bridges
Average age
44.1 yrs
Posted or closed
5

Map of bridges in Powell County

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

Search bridges in Powell County

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

Condition

6%poor
Good32%(36)
Fair62%(70)
Poor6%(7)

When they were built

<1900: 0 bridges<19001900s: 1 bridges119001910s: 1 bridges119101920s: 0 bridges19201930s: 5 bridges519301940s: 4 bridges419401950s: 12 bridges1219501960s: 14 bridges1419601970s: 23 bridges2319701980s: 9 bridges919801990s: 6 bridges619902000s: 21 bridges2120002010s: 12 bridges1220102020s: 5 bridges52020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I 90 over Dempsey Creek
    10,708 vehicles/day
    Fair
  2. I 90 over Jr Grade Sep
    10,463 vehicles/day
    Fair
  3. I 90 over Jr Grade Sep
    10,463 vehicles/day
    Fair
  4. I 90 over Int Jens
    5,992 vehicles/day
    Fair
  5. I 90 over Int Jens
    5,992 vehicles/day
    Fair

Longest

  1. US 12 over Little Blackfoot Riv-Rr
    745 ft
    Fair
  2. I 90 over Int W Garrison-Rr
    710 ft
    Poor
  3. I 90 over Int W Garrisison-Rr
    710 ft
    Fair
  4. I 90 over Int E Garrison-Rr
    598 ft
    Fair
  5. I 90 over Int E Garrison-Rr
    582 ft
    Fair

Oldest

  1. Trout Creek RD over Little Blackfoot R 018
    Built 1908
    Fair
  2. Chokecherry LN over Little Blackfoot R 027
    Built 1914
    Poor
  3. S Frontage RD 011 over Powell Creek 063
    Built 1930
    Fair
  4. S Frontage RD 011 over Dempsey Creek 059
    Built 1930
    Poor
  5. S Frontage RD 011 over Racetrack Creek 067
    Built 1930
    Fair

All bridges in Powell County

Busiest first · showing 1–113 of 113
Bridges in Powell County
BridgeLocationBuiltTypeLengthDaily trafficCondition
I 90 over Dempsey Creek
No. I00090192+03001
N Sager Lane Overpass1973Culvert30 ft10,708Fair
I 90 over Jr Grade Sep
No. I00090180+04301
6.2M N Deer Lodge1961Slab23 ft10,463Fair
I 90 over Jr Grade Sep
No. I00090182+09191
6.2M N Deer Lodge1961Slab23 ft10,463Fair
I 90 over Int Jens
No. I00090162+02781
8M E Drummond1959Stringer/Multi-beam or Girder114 ft5,992Fair
I 90 over Int Jens
No. I00090162+02782
8M E Drummond1959Stringer/Multi-beam or Girder114 ft5,992Fair
I 90 EB over Int Gold Creek
No. I00090166+02721
Gold Creek1959Stringer/Multi-beam or Girder155 ft5,992Fair
I 90 WB over Int Gold Creek
No. I00090166+02722
Gold Creek1959Stringer/Multi-beam or Girder155 ft5,992Fair
I 90 EB over RR
No. I00090170+00051
4.3M W Garrison1973Stringer/Multi-beam or Girder250 ft5,992Poor
I 90 over RR
No. I00090170+00052
4.3M W Garrison1973Stringer/Multi-beam or Girder265 ft5,992Poor
I 90 over Clark Fork River
No. I00090187+06891
1.2M S Deer Lodge1961Stringer/Multi-beam or Girder153 ft5,354Fair
I 90 over Clark Fork River
No. I00090187+06892
1.2M S Deer Lodge1961Stringer/Multi-beam or Girder153 ft5,354Fair
I 90 over Sep Sager Lane
No. I00090191+08641
5M S Deer Lodge1975Slab79 ft5,354Good
I 90 over Sep Sager Lane
No. I00090191+08642
5M S Deer Lodge1975Slab79 ft5,354Good
I 90 over Int W Garrison-Rr
No. I00090174+03631
Garrison1979Stringer/Multi-beam or Girder710 ft5,232Poor
I 90 over Int W Garrisison-Rr
No. I00090174+03632
Garrison1979Stringer/Multi-beam or Girder710 ft5,232Fair
I 90 over Little Blackfoot River
No. I00090175+02151
1.2M S Garrison1979Stringer/Multi-beam or Girder133 ft5,232Fair
I 90 over Little Blackfoot River
No. I00090175+02152
1.2M S Garrison1979Stringer/Multi-beam or Girder131 ft5,232Good
I 90 over Int E Garrison-Rr
No. I00090175+05331
1.2M S Garrison1979Stringer/Multi-beam or Girder598 ft5,232Fair
I 90 over Int E Garrison-Rr
No. I00090175+05332
1.2M S Garrison1979Stringer/Multi-beam or Girder582 ft5,232Fair
I 90 over Int Phosphate
No. I00090170+02411
3.7M W Garrison1973Stringer/Multi-beam or Girder128 ft5,136Fair
I 90 over Int Phosphate
No. I00090170+02412
3.7M W Garrison1973Stringer/Multi-beam or Girder143 ft5,136Fair
I 90 over Sep Garrison Frontage RD
No. I00090171+07791
2.5M W Garrison1973Slab78 ft5,136Fair
I 90 over Sep Garrison Frontage RD
No. I00090171+07792
2.5M W Garrison1973Slab78 ft5,136Fair
Main ST over Cottonwood Creek
No. S00275001+00951
Deer Lodge-Main ST2014Tee Beam53 ft5,074Good
I 90 over Int N Deer Lodge
No. I00090184+09061
1.2M N Deer Lodge1961Stringer/Multi-beam or Girder124 ft4,371Fair
I 90 over Int N Deer Lodge
No. I00090184+09062
1.2M N Deer Lodge1974Stringer/Multi-beam or Girder124 ft4,371Fair
I 90 over Sep Milwaukee Avenue
No. I00090185+10121
Deer Lodge1961Stringer/Multi-beam or Girder118 ft4,371Fair
I 90 over Sep Milwaukee Avenue
No. I00090185+10122
Deer Lodge1974Stringer/Multi-beam or Girder118 ft4,371Fair
I 90 over Sep Eastside Road
No. I00090187+00291
0.6M S Deer Lodge1961Stringer/Multi-beam or Girder168 ft4,371Fair
I 90 over Sep Eastside Road
No. I00090187+00292
0.6M S Deer Lodge1974Stringer/Multi-beam or Girder143 ft4,371Fair
US 12 over Little Blackfoot River
No. P00008022+02651
1M E Elliston1988Stringer/Multi-beam or Girder72 ft3,430Fair
W Milwaukee Ave over Clark Fork River
No. S00272000+03441
Deer Lodge1940Stringer/Multi-beam or Girder120 ft3,314Fair
US 12 over Little Blackfoot Riv-Rr
No. P00008006+02301
5M E Garrison2009Stringer/Multi-beam or Girder745 ft3,217Fair
US 12 over Little Blackfoot River
No. P00008011+08791
1M W Avon1982Stringer/Multi-beam or Girder118 ft3,217Fair
S 200 over N Fork Blackfoot River
No. P00024049+06571
4M SE Ovando1956Tee Beam182 ft2,959Fair
US 12 over Little Blackfoot River
No. P00008013+01941
Avon1982Stringer/Multi-beam or Girder92 ft2,872Fair
S 200 over Cottonwood Creek
No. P00024037+03001
7M W Ovando1954Culvert24 ft2,822Good
S 200 over Monture Creek
No. P00024041+05581
3M NW Ovando1986Stringer/Multi-beam or Girder122 ft2,822Fair
Main ST over Clark Fork River
No. S00275002+04801
S Deer Lodge1949Stringer/Multi-beam or Girder135 ft2,330Poor
S 200 over Arrastra Creek
No. P00024057+09161
12M SE Ovando2008Stringer/Multi-beam or Girder79 ft1,683Good
S 141 over Blackfoot River
No. P00041032+04711
7M NE Helmville2004Stringer/Multi-beam or Girder195 ft1,674Fair
Mt 141 over Threemile Creek
No. 000000202208060
2 M N Avon1961Culvert27 ft1,594Good
S 141 over Halfway Creek
No. P00041011+07541
12M NW Avon1936Stringer/Multi-beam or Girder38 ft1,594Fair
S 141 over Nevada Creek
No. P00041013+01391
13M NW Avon1936Stringer/Multi-beam or Girder58 ft1,594Poor
US 12 over RR
No. P00088000+06091
Garrison1949Stringer/Multi-beam or Girder204 ft1,416Fair
US 12 over Little Blackfoot River
No. P00088001+00271
Garrison1952Tee Beam140 ft1,416Fair
S 141 over Stockpass-Drainage
No. P00041024+08001
2M SE Helmsville1965Stringer/Multi-beam or Girder22 ft1,408Fair
S Frontage RD 011 over Powell Creek 063
No. L39242001+01001
2M S Deer Lodge1930Tee Beam36 ft916Fair
S Frontage RD 011 over Dempsey Creek 059
No. L39242004+03001
5M S Deer Lodge1930Slab64 ft916Poor
S Frontage RD 011 over Racetrack Creek 067
No. L39242006+06001
7M S Deer Lodge1930Tee Beam35 ft916Fair
S Frontage RD 011 over Abandoned RR 043
No. L39242007+06001
8M S Deer Lodge2014Culvert24 ft916Good
S 271 over Nevada Creek
No. S00271021+06001
1M NE Helmville1947Stringer/Multi-beam or Girder41 ft308Fair
Burns ST over Little Blackfoot R 019
No. L39201000+03001
N Elliston1960Stringer/Multi-beam or Girder34 ft281Fair
Rock Creek Cattle over Clark Fork River 038
No. L39018007+03001
5M N Deer Lodge1989Stringer/Multi-beam or Girder114 ft280Fair
Rock Creek Cattle over Clark Fork River 03
No. L39018007+04001
5M N Deer Lodge1989Stringer/Multi-beam or Girder115 ft280Fair
Clark ST over Cottonwood Creek 083
No. M39031000+08001
Deer Lodge-Clark ST2007Tee Beam36 ft245Good
Gold Creek RD over Clark Fork River 032
No. L39248000+02001
Gold Creek1982Tee Beam200 ft242Fair
Lower Game Range R over Cottonwood Creek
No. 000000000007048
7M N Ovando1990Stringer/Multi-beam or Girder31 ft100Fair
Little Blackfoot R over Little Blackfoot River
No. 000000201907091
5M S Elliston1981Tee Beam68 ft100Good
Second Street over Cottonwood Creek
No. 000000202004954
Deer Lodge - Second Stree2012Tee Beam38 ft100Good
E Sager Lane over Irrigation Canal
No. 000000202008009
5M S Deer Lodge1990Slab22 ft100Fair
Conley Ave over Clark Fork River
No. 000000202104955
Deer Lodge2021Stringer/Multi-beam or Girder172 ft100Good
Willow RD over Little Blackfoot R 042
No. 000000202404045
E Elliston2023Tee Beam63 ft100Good
Little Blackfoot R over Little Blackfoot R 021
No. L39005002+09001
3M S Elliston1976Tee Beam24 ft100Fair
Rock Creek Lake RD over Rock Creek 079
No. L39006008+01001
8M NW Deer Lodge2009Stringer/Multi-beam or Girder50 ft100Good
Telegraph CR RD over Telegraph Creek 061
No. L39010001+00001
4M S Elliston1950Stringer/Multi-beam or Girder24 ft100Fair
N Old Stage RD over Rock Creek 078
No. L39017001+07001
5M NW Deer Lodge2007Tee Beam36 ft100Good
S Mullan Trail RD over Clark Fork River 030
No. L39019007+02001
9M E Drummond2003Stringer/Multi-beam or Girder200 ft100Fair
S Mullan Trail RD over RR 028
No. L39019007+09001
9M E Drummond2000Stringer/Multi-beam or Girder128 ft100Fair
Yellowstone Trail over Racetrack Creek 036
No. L39022000+01001
2M W Racetrack2006Tee Beam52 ft100Good
Sawmill RD over Rock Creek 047
No. L39040000+06001
Garrison2006Stringer/Multi-beam or Girder62 ft100Good
Trout Creek RD over Little Blackfoot R 018
No. L39103000+01001
Avon1908Truss - Thru127 ft100Fair
E Sager LN over Clark Fork River 048
No. L39113000+05001
5M S Deer Lodge2006Stringer/Multi-beam or Girder154 ft100Fair
Race Track RD over Int Racetrack-I 90 001
No. L39188000+01501
8M S Deer Lodge1978Stringer/Multi-beam or Girder280 ft100Fair
River Junction/ Sc over Blackfoot River 004
No. L39354001+00001
6M W Ovando1994Stringer/Multi-beam or Girder210 ft100Fair
Raymond RD over Blackfoot River 077
No. L39356002+02001
6M S Ovando1997Tee Beam164 ft100Fair
Cut Off RD over Big Blackfoot River 002
No. L39359003+02001
4M NW Helmville1955Truss - Thru92 ft100Fair
Dry Gulch RD over N Fork Blackfoot R 007
No. L39411002+01001
5M E Ovando1968Girder and Floorbeam System97 ft100Fair
Lower Game Range R over Cottonwood Creek 054
No. L39415000+06001
7M W Ovando1978Slab24 ft100Good
Center ST over Cottonwood Creek 049
No. M39031000+00501
Deer Lodge-Center ST2015Stringer/Multi-beam or Girder43 ft100Good
Kohrs ST over Cottonwood Creek 065
No. M39031000+00601
Deer Lodge-Kohrs ST2003Slab21 ft100Fair
Clagett ST over Cottonwood Creek 081
No. M39031000+00701
Deer Lodge-Clagett ST2007Tee Beam36 ft100Good
Fourth ST over Cottonwood Creek 080
No. M39031000+00901
Deer LODGE-4th ST2007Tee Beam36 ft100Good
Ramp to Main ST over Int S Deer Lodge-I 90
No. S00275003+00921
1M S Deer Lodge1961Stringer/Multi-beam or Girder256 ft100Fair
Sawmill RD over Clark Fork River 026
No. L39027000+04001
Garrison2006Stringer/Multi-beam or Girder168 ft78Fair
Willow Road over Racetrack Creek
No. 000000202008011
7M SW Deerlodge2015Stringer/Multi-beam or Girder61 ft75Good
NFSR 314 over Trout Creek
No. 011202000003128
Spotted Dog-Trout2004Stringer/Multi-beam or Girder31 ft50Good
C.Wood Lakes RD over Morrell Creek
No. 011606000000097
Cottonwood Lakes1954Stringer/Multi-beam or Girder32 ft50Fair
No Data Entered over Monture Creek
No. 011606000000100
Cottonwood Lakes1953Stringer/Multi-beam or Girder61 ft50Fair
Morrell Creek RD over Morrell Creek
No. 011606000024354
Morrell CR2015Stringer/Multi-beam or Girder83 ft50Good
No Data Entered over Ef Spruce Creek
No. 011606000035400
No Data Entered2020Stringer/Multi-beam or Girder43 ft50Good
No Data Entered over West Fork Spruce Creek
No. 011606000035401
No Data Entered2020Stringer/Multi-beam or Girder43 ft50Good
No Data Entered over Dunham Creek
No. 011606000035503
No Data Entered2020Stringer/Multi-beam or Girder85 ft50Good
Ovando Helmville R over N Fk Blackfoot River 005
No. L39001004+09001
13M N Helmville2000Stringer/Multi-beam or Girder143 ft50Fair
Ovando Helmville R over Big Blackfoot River 006
No. L39001011+04001
6M N Helmville1953Truss - Thru189 ft50Fair
Beck Hill RD over Int Beckhill I 90 008
No. L39249000+02001
4M SE Garrison1978Stringer/Multi-beam or Girder304 ft49Fair
Beck Hill RD over Little Blackfoot R 023
No. L39249003+06001
3M E Garrison2011Tee Beam116 ft49Good
No Data Entered over No Data Entered
No. 010208000013086
No Data Entered2010Stringer/Multi-beam or Girder32 ft40Fair
Road over Racetrack CR
No. 010901000000030
Racetrack Creek1985Stringer/Multi-beam or Girder32 ft40Fair
Road 227 over Kading Creek
No. 011202000013205
Near Kading Creek Cg2011Slab32 ft40Good
Route 4106 over Klondike Creek
No. 011204000016698
No Data Entered2013Stringer/Multi-beam or Girder39 ft40Good
Route 4106 over Theodore
No. 011204000016997
No Data Entered2015Stringer/Multi-beam or Girder34 ft40Good
N.Fk Blackft RD over Lake CR
No. 011606000000102
Copper Blackfoot1964Stringer/Multi-beam or Girder91 ft40Fair
N.Fk Blackft RD over N Fk Blackfoot Riv
No. 011606000000103
No Data Entered1960Stringer/Multi-beam or Girder143 ft40Fair
No Data Entered over Lodgepole CR
No. 011606000000139
Spruce CR1996Stringer/Multi-beam or Girder50 ft40Good
No Data Entered over Lodgepole CR
No. 011606000000140
Spruce CR1996Stringer/Multi-beam or Girder44 ft40Fair
Cottonwood Lk RD over Cottonwood Creek
No. 011606000011426
Cottonwood Lakes2007Slab31 ft40Good
No Data Entered over Blackfoot River
No. 011204000013172
No Data Entered2011Stringer/Multi-beam or Girder164 ft31Good
2864: Braziel Cr. over Nevada Creek
No. 000000000L59191
0.2 MI S of MT1411977Girder and Floorbeam System67 ft25Fair
2801: Chamberlain over East Fork Chamberlain CR
No. 0000000L2133241
38 MI W of Missoula Mt2008Stringer/Multi-beam or Girder26 ft25Fair
Greenhouse RD over Dempsey Creek
No. 000000202008010
5M S Deer Lodge2000Slab22 ft23Good
Chokecherry LN over Little Blackfoot R 027
No. L39311000+01001
4M SW Avon1914Truss - Thru61 ft19Poor
Snow Shoe CR RD over Little Blackfoot R 017
No. L39012000+02001
3M E Avon2001Stringer/Multi-beam or Girder40 ft10Good

Structure types in Powell County

Stringer/Multi-beam or Girder7364.6%
Tee Beam1715.0%
Slab1311.5%
Truss - Thru43.5%
Culvert43.5%
Girder and Floorbeam System21.8%

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