US Bridges

Jefferson County, Montana bridges

Jefferson County has 136 bridges and culverts in the National Bridge Inventory, the oldest built in 1927. 7 (5%) are rated poor. The most common type is stringer/multi-beam or girder (65%).

Bridges
136
Good
19%
Fair
76%
Poor
5%
7 bridges
Average age
48.1 yrs
Posted or closed
4

Map of bridges in Jefferson County

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

Search bridges in Jefferson County

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

Condition

5%poor
Good19%(26)
Fair76%(103)
Poor5%(7)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 1 bridges119201930s: 9 bridges919301940s: 0 bridges19401950s: 4 bridges419501960s: 39 bridges3919601970s: 20 bridges2019701980s: 42 bridges4219801990s: 2 bridges219902000s: 9 bridges920002010s: 6 bridges620102020s: 4 bridges42020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I 15 over Prickly Pear Creek
    5,987 vehicles/day
    Fair
  2. I 15 over Prickly Pear Creek
    5,987 vehicles/day
    Fair
  3. S 518 over Int Montana City-I 15
    5,885 vehicles/day
    Good
  4. I 90 over Int Cardwell-S 359
    5,599 vehicles/day
    Fair
  5. I 90 over Int Cardwell-S 359
    5,599 vehicles/day
    Fair

Longest

  1. US 287 over Jefferson River
    347 ft
    Fair
  2. I 90 over RR
    316 ft
    Fair
  3. I 90 over RR
    316 ft
    Fair
  4. Milligan Canyon RD over Int Milligan-I 90 004
    307 ft
    Fair
  5. S 518 over Int Montana City-I 15
    297 ft
    Good

Oldest

  1. E Elk Park RD over Bison Creek 016
    Built 1927
    Poor
  2. Capp Lane over Pipestone Creek
    Built 1930
    Fair
  3. S 2 over Rader Creek
    Built 1931
    Fair
  4. Mt HWY 2 over Big Pipestone Creek 062
    Built 1931
    Fair
  5. Mt HWY 2 over Colbert Creek 063
    Built 1931
    Fair

All bridges in Jefferson County

Busiest first · showing 1–136 of 136
Bridges in Jefferson County
BridgeLocationBuiltTypeLengthDaily trafficCondition
I 15 over Prickly Pear Creek
No. I00015180+08901
1.2M S Clancy1969Slab23 ft5,987Fair
I 15 over Prickly Pear Creek
No. I00015181+05641
0.6M S Clancy1969Slab23 ft5,987Fair
S 518 over Int Montana City-I 15
No. S00518000+00001
Montana City1968Stringer/Multi-beam or Girder297 ft5,885Good
I 90 over Int Cardwell-S 359
No. I00090256+02931
Cardwell1968Stringer/Multi-beam or Girder139 ft5,599Fair
I 90 over Int Cardwell-S 359
No. I00090256+02932
Cardwell1968Stringer/Multi-beam or Girder139 ft5,599Fair
I 90 Eastbound over Boulder River
No. I00090256+08671
0.6M E Cardwell1968Stringer/Multi-beam or Girder124 ft5,599Good
I 90 Westbound over Boulder River
No. I00090256+08672
0.6M E Cardwell1968Stringer/Multi-beam or Girder114 ft5,599Fair
I 90 over Sep County Road
No. I00090264+00611
7.4M E Cardwell1969Slab79 ft5,599Fair
I 90 over Sep County Road
No. I00090264+00612
7.4M E Cardwell1969Slab79 ft5,599Fair
I 90 Eastbound over Int Whitehall
No. I00090249+00261
Whitehall1966Stringer/Multi-beam or Girder129 ft5,175Fair
I 90 Westbound over Int Whitehall
No. I00090249+00262
Whitehall1966Stringer/Multi-beam or Girder129 ft5,175Fair
I 90 Eastbound over P 69
No. I00090253+03081
3.1M W Cardwell1968Stringer/Multi-beam or Girder216 ft5,175Fair
I 90 Westbound over P 69
No. I00090253+03082
3.1M W Cardwell1968Stringer/Multi-beam or Girder200 ft5,175Fair
I 90 over Int Pipestone
No. I00090241+09761
6.8M W Whitehall1966Stringer/Multi-beam or Girder125 ft4,650Good
I 90 over Int Pipestone
No. I00090241+09762
6.8M W Whitehall1966Stringer/Multi-beam or Girder125 ft4,650Good
I 90 over RR
No. I00090243+03221
5.6M W Whitehall1966Stringer/Multi-beam or Girder316 ft4,650Fair
I 90 over RR
No. I00090243+03222
5.6M W Whitehall1966Stringer/Multi-beam or Girder316 ft4,650Fair
I 90 over Sep Sheep Camp RD
No. I00090245+01441
3.7M W Whitehall1966Stringer/Multi-beam or Girder109 ft4,650Fair
I 90 over Sep Sheep Camp RD
No. I00090245+01442
3.7M W Whitehall1966Stringer/Multi-beam or Girder109 ft4,650Fair
I 15 over Int Basin
No. I00015156+09111
Basin1985Stringer/Multi-beam or Girder133 ft3,856Fair
I 15 over Boulder Rvr-Frontage RD
No. I00015158+03561
1.9M E Basin1982Stringer/Multi-beam or Girder152 ft3,856Fair
I 15 over Int High Ore
No. I00015160+03461
3.7M E Basin1982Stringer/Multi-beam or Girder133 ft3,856Fair
I 15 over Boulder River
No. I00015160+08741
4.3M E Basin1980Stringer/Multi-beam or Girder196 ft3,856Fair
I 15 over Sep Galena Gulch Road
No. I00015161+01511
4.3M E Basin1981Slab78 ft3,856Fair
I 15 over Int Clancy
No. I00015182+01161
Clancy1969Stringer/Multi-beam or Girder119 ft3,787Fair
I 15 over Int Clancy
No. I00015182+01162
Clancy1969Stringer/Multi-beam or Girder119 ft3,787Good
I 15 over Sep Lump Gulch Road
No. I00015182+07381
0.6M N Clancy1969Slab80 ft3,787Fair
I 15 over Sep Lump Gulch Road
No. I00015182+07382
0.6M N Clancy1969Slab78 ft3,787Fair
I 15 over Sep S HWY 282
No. I00015185+05791
1.9M S Montana City1968Stringer/Multi-beam or Girder135 ft3,787Fair
I 15 over Sep S HWY 282
No. I00015185+05792
1.9M S Montana City1968Stringer/Multi-beam or Girder135 ft3,787Fair
I 15 NB over Abandoned RR
No. I00015187+00791
0.6M S Montana City1969Stringer/Multi-beam or Girder238 ft3,787Fair
I 15 over Abandoned RR
No. I00015187+00792
0.6M S Montana City1969Stringer/Multi-beam or Girder231 ft3,787Fair
I 15 over Red Rock Creek
No. I00015152+09001
1M N Bernice1984Culvert22 ft3,182Good
I 15 over Boulder River
No. I00015154+02051
2.5M S Basin1985Stringer/Multi-beam or Girder103 ft3,182Fair
I 15 over Boulder River
No. I00015154+06391
2.5M S Basin1985Stringer/Multi-beam or Girder123 ft3,182Fair
I 15 over Boulder River
No. I00015154+08131
1.9M S Basin1985Stringer/Multi-beam or Girder125 ft3,182Fair
I 15 over Boulder River
No. I00015155+00551
1.9M S Basin1985Stringer/Multi-beam or Girder168 ft3,182Fair
I 15 over Boulder River
No. I00015155+05401
1.2M S Basin1985Stringer/Multi-beam or Girder107 ft3,182Fair
I 15 over Boulder River
No. I00015155+09441
1.2M S Basin1985Stringer/Multi-beam or Girder108 ft3,182Fair
I 15 over Sep Silver Ave-Basin CR
No. I00015156+02661
Basin1985Stringer/Multi-beam or Girder201 ft3,182Fair
S 69 over Boulder River
No. P00069037+02861
Boulder2003Stringer/Multi-beam or Girder177 ft3,016Fair
N 55 over Pipestone Creek
No. 000000000005943
1M W Whitehall2018Stringer/Multi-beam or Girder140 ft2,969Good
I 15 over Sep Amazon RD
No. I00015167+07041
3.7M N Boulder1973Slab79 ft2,534Fair
I 15 over Sep Amazon Road
No. I00015167+07042
3.7M N Boulder1973Slab79 ft2,534Fair
I 15 over Sep Troy Creek Road
No. I00015172+03861
3.7M S Jefferson City1973Slab78 ft2,534Fair
I 15 over Sep Troy Creek Road
No. I00015172+03862
3.7M S Jefferson City1973Slab78 ft2,534Fair
HWY 282 over Prickly Pear Creek
No. 000000202407044
2.3 S Montana City2024Culvert22 ft2,485Good
S Hills Rd-Hwy 282 over I-15
No. L22926001+05001
1M N Montana City1968Stringer/Multi-beam or Girder284 ft1,979Fair
I 15 over Boulder River
No. I00015161+03811
2.5M W Boulder1980Stringer/Multi-beam or Girder170 ft1,928Fair
I 15 over Boulder River
No. I00015161+03812
2.5M W Boulder1980Stringer/Multi-beam or Girder176 ft1,928Fair
I 15 over Boulder Rvr-Access RD
No. I00015161+06911
2.5M W Boulder1980Stringer/Multi-beam or Girder199 ft1,928Fair
I 15 over Boulder Rvr-Access RD
No. I00015161+06912
2.5M W Boulder1980Stringer/Multi-beam or Girder201 ft1,928Fair
I 15 over Boulder River
No. I00015161+09101
1.9M W Boulder1980Stringer/Multi-beam or Girder184 ft1,928Fair
I 15 over Boulder River
No. I00015163+00341
1.2M W Boulder1979Stringer/Multi-beam or Girder187 ft1,928Fair
I 15 over Sep Depot Hill Road
No. I00015164+01431
Boulder1973Slab83 ft1,928Fair
I 15 over Sep Depot Hill Road
No. I00015164+01432
Boulder1973Slab83 ft1,928Fair
Mt 55 over Fish Creek
No. P00055003+06271
9M SW Whitehall1953Stringer/Multi-beam or Girder38 ft1,858Poor
I 15 over Int Bernice-Boulder R RD
No. I00015151+07341
5M S Basin1985Stringer/Multi-beam or Girder147 ft1,591Fair
I 15 over Int Bernice-Boulder R RD
No. I00015151+07342
5M S Basin1985Stringer/Multi-beam or Girder147 ft1,591Fair
I 15 over Boulder River
No. I00015151+09401
4.3M S Basin1985Stringer/Multi-beam or Girder98 ft1,591Good
I 15 over Boulder River
No. I00015151+09402
4.3M S Basin1985Stringer/Multi-beam or Girder98 ft1,591Good
I 15 over Int Woodville
No. I00015134+00391
3.1M N Butte1976Stringer/Multi-beam or Girder148 ft1,576Fair
I 15 over Int Woodville
No. I00015134+00392
3.1M N Butte1976Stringer/Multi-beam or Girder148 ft1,576Fair
I 15 over Sep Sawmill Gulch
No. I00015136+07921
6.2M N Butte1976Stringer/Multi-beam or Girder123 ft1,576Fair
I 15 over Sep Sawmill Gulch
No. I00015136+07922
6.2M N Butte1976Stringer/Multi-beam or Girder123 ft1,576Fair
I 15 over Int Trask-Lowland RD
No. I00015138+06601
8M N Butte1976Stringer/Multi-beam or Girder128 ft1,576Good
I 15 over Int Trask-Lowland RD
No. I00015138+06602
8M N Butte1976Stringer/Multi-beam or Girder128 ft1,576Good
I 15 over Sep Elk Park-E Elk Park
No. I00015143+09101
12.4M N Butte1985Slab81 ft1,576Fair
I 15 over Sep Elk Park-E Elk Park
No. I00015143+09102
12.4M N Butte1985Slab81 ft1,576Fair
S 2 over Whitetail Creek
No. P00069000+07621
Whitehall1955Tee Beam64 ft1,419Fair
S 359 over Jefferson River Slough
No. S00359001+03461
Cardwell1968Stringer/Multi-beam or Girder112 ft1,362Fair
US 287 over Jefferson River
No. P00013083+00441
10M SW Three Forks2001Stringer/Multi-beam or Girder347 ft1,227Fair
Mt HWY 2 over RR 061
No. L22250003+07001
4M W Whitehall1932Tee Beam113 ft1,001Poor
S-282 Haab Lane over Prickly Pear Creek
No. 000000000007075
3M S Montana City1981Tee Beam55 ft927Good
S 69 over Little Boulder River
No. 000000000006168
3M SE Boulder2016Slab96 ft913Fair
S 69 over Animal Crossing
No. 000000000007045
5M S Boulder2016Slab39 ft913Good
S 2 over Rader Creek
No. P00029067+04911
7M E Pipestone Pass1931Stringer/Multi-beam or Girder95 ft686Fair
Mt HWY 2 over Big Pipestone Creek 062
No. L22250004+00001
4M W Whitehall1931Stringer/Multi-beam or Girder76 ft608Fair
Mt HWY 2 over Colbert Creek 063
No. L22250007+06001
7M W Whitehall1931Stringer/Multi-beam or Girder38 ft608Fair
S 41 over Little Pipestone Creek
No. P00029065+05501
9M E Pipestone Pass1934Stringer/Multi-beam or Girder76 ft473Fair
Mt HWY 2 over Boulder River 064
No. L22249000+08001
1M E Cardwell1968Stringer/Multi-beam or Girder114 ft392Fair
Whitetail RD over Whitetail Creek
No. S00399001+09001
2M N Whitehall1983Tee Beam26 ft292Fair
Waterloo RD over Jefferson River
No. S00422008+02531
9M NE Silverstar1961Stringer/Multi-beam or Girder244 ft242Fair
Tebay LN over Jefferson Slough 014
No. L22522000+03001
3M W Cardwell1991Tee Beam31 ft180Fair
Tebay LN over Jef Riv Overflow 013
No. L22522001+00001
3M W Cardwell2003Slab72 ft180Fair
Tebay LN over Jefferson River 012
No. L22522001+02001
3M W Cardwell1986Stringer/Multi-beam or Girder235 ft180Fair
Capp Lane over Pipestone Creek
No. 000000000007054
1M W Whitehall1930Slab25 ft100Fair
Basin Creek Road over Basin Creek
No. 000000000007081
9M NW Basin1966Stringer/Multi-beam or Girder28 ft100Fair
Hot Springs Road over Big Pipestone Creek
No. 000000202003212
6M W Whitehall2020Tee Beam51 ft100Good
Jewett LN over Irrigation Canal 008
No. 000000202103216
NW Willow Creek2021Culvert24 ft100Good
Meridian Road over Jefferson River
No. 000000202303196
5M SE Three Forks2023Stringer/Multi-beam or Girder272 ft100Good
Sleepy Hollow LN over Prickly Pear Creek
No. 000000202308066
3 M S Montana City2010Culvert23 ft100Poor
Non Maintained Trl over Bison Creek
No. 000000202308067
11M N Elk Park1984Tee Beam49 ft100Fair
Non Maintained Trl over Bison Creek
No. 000000202308068
12M N Elk Park1984Tee Beam41 ft100Fair
Cataract Creek RD over Cataract Creek 034
No. L22015001+03001
1M N Basin1967Stringer/Multi-beam or Girder33 ft100Fair
Cataract Creek RD over Cataract Creek 035
No. L22015002+04001
2M N Basin1965Stringer/Multi-beam or Girder24 ft100Fair
Cataract Creek RD over Cataract Creek 036
No. L22015002+05001
3M N Basin1965Stringer/Multi-beam or Girder25 ft100Fair
Cataract Creek RD over Cataract Creek 048
No. L22015002+06001
3M N Basin1939Stringer/Multi-beam or Girder48 ft100Fair
Cataract Creek RD over Cataract Creek 071
No. L22015004+00001
4M W Basin2005Stringer/Multi-beam or Girder40 ft100Good
Cataract Creek RD over Cataract Creek 072
No. L22015007+00001
7M W Basin2005Stringer/Multi-beam or Girder55 ft100Good
Basin Creek RD over Basin Creek 032
No. L22016000+04001
Basin1960Stringer/Multi-beam or Girder50 ft100Fair
Lump Gulch Road over Prickly Pear Creek 074
No. L22032001+00001
1M N Clancy2007Tee Beam41 ft100Good
Legal Tender LN over Prickly Pear Creek 070
No. L22033000+02001
Clancy1976Tee Beam22 ft100Fair
Basin ST over Basin Creek 040
No. L22076001+02001
Basin1931Slab24 ft100Fair
Cattle Drive RD over Boulder River 017
No. L22099002+08001
2M W Boulder1983Stringer/Multi-beam or Girder106 ft100Fair
Galena Gulch RD over Boulder River 016
No. L22099004+03001
4M E Basin2003Stringer/Multi-beam or Girder154 ft100Fair
High Ore RD over Boulder River 038
No. L22099005+01001
3M E Basin1980Stringer/Multi-beam or Girder88 ft100Fair
I 15 Frontage RD over Cataract Creek 030
No. L22099008+00001
1M E Basin1933Tee Beam80 ft100Poor
I 15 Frontage RD over Basin Creek 041
No. L22099008+09001
Basin1985Stringer/Multi-beam or Girder63 ft100Poor
I 15 Frontage RD over Boulder River 042
No. L22099009+02001
Basin1985Stringer/Multi-beam or Girder106 ft100Fair
I 15 Frontage RD over Boulder River 043
No. L22099010+05001
2M W Basin1985Tee Beam100 ft100Fair
I 15 Frontage RD over Boulder River 046
No. L22099010+07001
2M W Basin1985Tee Beam101 ft100Fair
I 15 Frontage RD over Bison Creek 047
No. L22099012+08001
4M W Basin1985Tee Beam52 ft100Fair
Homestake Pass over Int Homestake-I 90 005
No. L22119000+01001
Homestake Pass1966Stringer/Multi-beam or Girder231 ft100Good
Paul Gulch RD over Sep I 90 002
No. L22120000+01601
Whitehall1966Stringer/Multi-beam or Girder275 ft100Fair
Railroad Way over Prickly Pear Creek 065
No. L22195000+09001
Clancy1976Slab26 ft100Fair
Mcclellan Creek RD over Prickly Pear Creek 021
No. L22202000+05001
Montana City1975Channel Beam23 ft100Fair
E Elk Park RD over Bison Creek 016
No. L22252001+00001
1M S Elk Park1927Stringer/Multi-beam or Girder32 ft100Poor
White Bridge RD over Boulder River 044
No. L22302000+01001
6M SE Boulder1979Tee Beam66 ft100Fair
Hubbard LN over Boulder River 031
No. L22304000+03001
4M S Boulder2001Stringer/Multi-beam or Girder106 ft100Fair
Lower Valley RD - over Boulder River 030
No. L22308006+00001
13M SE Boulder1977Stringer/Multi-beam or Girder70 ft100Fair
Quaintance LN over Boulder Ditch 029
No. L22308006+05001
13M SE Boulder2010Slab30 ft100Good
Dunn LN over Boulder River 028
No. L22313000+06001
20M SE Boulder2015Tee Beam86 ft100Good
Cottonwood RD over Boulder River 009
No. L22319001+00001
1M NE Cardwell1983Tee Beam79 ft100Good
Tizer Creek Road over Prickly Pear Creek 085
No. L22739003+01001
3M S Jefferson City2005Stringer/Multi-beam or Girder50 ft100Good
Milligan Canyon RD over Int Milligan-I 90 004
No. L22858000+01001
11M W Cardwell1969Stringer/Multi-beam or Girder307 ft100Fair
Boulder Cut Off RD over Boulder River 003
No. L22858009+07001
10M NE Whitehall1981Stringer/Multi-beam or Girder61 ft100Fair
Frontage Road 925 over Int Jeff City-I 15 001
No. L22925000+02001
Jefferson City1970Stringer/Multi-beam or Girder269 ft100Fair
Yellowstone Trail over Whitetail Creek 024
No. M22121000+00101
Whitehall-Yellowstone Trl1986Tee Beam33 ft100Fair
E 1st Street over Whitetail Creek 023
No. M22121000+02001
Whitehall-E 1st ST1984Tee Beam37 ft100Fair
S 69 over Int Boulder I 15
No. P00069038+03961
Boulder1973Stringer/Multi-beam or Girder262 ft100Fair
Galena Gulch Road over Boulder River
No. 010902000000036
I15 High Ore Exit1957Stringer/Multi-beam or Girder72 ft50Fair
No Data Entered over Bison Creek
No. 010902000001133
Bernice Junction1986Stringer/Multi-beam or Girder41 ft50Fair
No Data Entered over Hells Canyon Creek
No. 010907000001050
Upper End of Hells Canyon1998Other23 ft50Good
Shamrock Road over Boulder River
No. 010207000003047
2 MI Past Whitehouse C. G1980Stringer/Multi-beam or Girder28 ft40Fair
Mcclellean Ck Road over Mcclellan Creek
No. 011202000000001
Mcclellan1959Stringer/Multi-beam or Girder24 ft40Poor

Structure types in Jefferson County

Stringer/Multi-beam or Girder8965.4%
Slab2216.2%
Tee Beam1914.0%
Culvert42.9%
Channel Beam10.7%
Other10.7%

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