US Bridges

Mineral County, Montana bridges

Mineral County has 153 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 17 (11%) are rated poor. The most common type is stringer/multi-beam or girder (77%).

Bridges
153
Good
24%
Fair
65%
Poor
11%
17 bridges
Average age
53.5 yrs
Posted or closed
6

Map of bridges in Mineral County

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

Search bridges in Mineral County

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

Condition

11%poor
Good24%(37)
Fair65%(99)
Poor11%(17)

When they were built

<1900: 0 bridges<19001900s: 1 bridges119001910s: 1 bridges119101920s: 0 bridges19201930s: 6 bridges619301940s: 3 bridges319401950s: 24 bridges2419501960s: 36 bridges3619601970s: 25 bridges2519701980s: 41 bridges4119801990s: 4 bridges419902000s: 7 bridges720002010s: 3 bridges320102020s: 2 bridges22020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I 90 over Drainage
    8,111 vehicles/day
    Good
  2. I 90 over Sep Local Road
    7,824 vehicles/day
    Fair
  3. I 90 over Sep Local Road
    7,824 vehicles/day
    Fair
  4. I 90 over Int Taft
    7,824 vehicles/day
    Fair
  5. I 90 over Sep Randolph Creek Road
    7,824 vehicles/day
    Fair

Longest

  1. I 90 EB over Clark Fork Rvr-Local RD
    1,283 ft
    Fair
  2. I 90 WB over Clark Fork Rvr-Local RD
    1,145 ft
    Fair
  3. I 90 over Clark Fork River
    1,092 ft
    Fair
  4. I 90 over Clark Fork River
    1,092 ft
    Poor
  5. I 90 over Clark Fork Rvr-Rr-Local
    902 ft
    Fair

Oldest

  1. No Data Entered over ST Regis River
    Built 1900
    Fair
  2. S Frontage RD W over Clark Fork 053
    Built 1916
    Poor
  3. Mullan Gulch RD over Rock Creek 013
    Built 1931
    Fair
  4. Mullan Gulch RD over Twelvemile Creek 014
    Built 1931
    Fair
  5. Mullan RD E over Nemote Creek 006
    Built 1931
    Poor

All bridges in Mineral County

Busiest first · showing 1–153 of 153
Bridges in Mineral County
BridgeLocationBuiltTypeLengthDaily trafficCondition
I 90 over Drainage
No. I00090033+01001
St. Regis1986Culvert21 ft8,111Good
I 90 over Sep Local Road
No. I00090001+09821
1.9M E Lookout Pass1973Stringer/Multi-beam or Girder157 ft7,824Fair
I 90 over Sep Local Road
No. I00090005+01481
5M E Lookout Pass1973Stringer/Multi-beam or Girder304 ft7,824Fair
I 90 over Int Taft
No. I00090005+06861
5.6M E Lookout Pass1973Stringer/Multi-beam or Girder133 ft7,824Fair
I 90 over Sep Randolph Creek Road
No. I00090006+05481
3.7M W Saltese1973Stringer/Multi-beam or Girder118 ft7,824Fair
I 90 over St. Regis River
No. I00090010+01221
0.6M W Saltese1973Stringer/Multi-beam or Girder154 ft7,824Fair
I 90 over Int Lozeau County Road
No. I00090055+04472
7.4M E Superior1967Stringer/Multi-beam or Girder128 ft7,649Good
I 90 over Int Saltese
No. I00090010+05291
Saltese1973Stringer/Multi-beam or Girder75 ft7,448Fair
I 90 over St. Regis River
No. I00090010+07441
Saltese1973Stringer/Multi-beam or Girder198 ft7,448Fair
I 90 over Int Henderson
No. I00090022+00131
3.1M E De Borgia1980Stringer/Multi-beam or Girder138 ft7,448Fair
I 90 over St. Regis Rvr-Local RD
No. I00090023+00631
4.3M E De Borgia1979Stringer/Multi-beam or Girder455 ft7,448Fair
I 90 over St. Regis Rvr-Local RD
No. I00090023+03251
4.3M E De Borgia1979Stringer/Multi-beam or Girder638 ft7,448Fair
I 90 over Local-Rr
No. I00090069+00411
6.2M W Alberton1981Stringer/Multi-beam or Girder200 ft4,585Fair
I 90 over Local-Rr
No. I00090069+00412
6.2M W Alberton1964Stringer/Multi-beam or Girder190 ft4,585Fair
I 90 over Int Cyr-Clark Fork Rvr
No. I00090070+00901
5M W Alberton1981Stringer/Multi-beam or Girder781 ft4,585Fair
I 90 over Int Cyr-Clark Fork Rvr
No. I00090070+00902
5M W Alberton1965Girder and Floorbeam System762 ft4,585Fair
I 90 over Int Tarkio County Road
No. I00090061+07931
13.7M W Alberton1959Stringer/Multi-beam or Girder130 ft4,088Fair
I 90 over Int Tarkio County Road
No. I00090061+07932
13.7M W Alberton1959Stringer/Multi-beam or Girder130 ft4,088Fair
I 90 over Sep Elizabeth LN
No. I00090065+04971
9.9M W Alberton1981Stringer/Multi-beam or Girder448 ft4,088Good
I 90 over Sep Elizabeth LN
No. I00090065+04972
9.9M W Alberton1965Stringer/Multi-beam or Girder446 ft4,088Poor
I 90 over Clark Fork River
No. I00090066+02791
9.3M W Alberton1981Stringer/Multi-beam or Girder867 ft4,088Fair
I 90 over Clark Fork River
No. I00090066+02792
9.3M W Alberton1965Girder and Floorbeam System807 ft4,088Poor
I 90 over RR
No. I00090066+04211
9.3M W Alberton1981Stringer/Multi-beam or Girder329 ft4,088Fair
I 90 over RR
No. I00090066+04212
9.3M W Alberton1965Stringer/Multi-beam or Girder339 ft4,088Fair
I 90 over Int Drexel
No. I00090025+03931
6.2M E De Borgia1980Stringer/Multi-beam or Girder122 ft4,056Fair
I 90 EB over Int Drexel
No. I00090025+03932
6.2M E De Borgia1980Stringer/Multi-beam or Girder122 ft4,056Fair
I 90 over St. Regis River
No. I00090029+02051
4.3M W St. Regis1981Stringer/Multi-beam or Girder402 ft4,056Fair
I 90 over St. Regis River
No. I00090029+02052
4.3M W St. Regis1981Stringer/Multi-beam or Girder402 ft4,056Fair
I 90 over St. Regis River
No. I00090029+03681
4.3M W St. Regis1981Stringer/Multi-beam or Girder438 ft4,056Fair
I 90 over St. Regis River
No. I00090029+03682
4.3M W St. Regis1981Stringer/Multi-beam or Girder388 ft4,056Fair
I 90 over Int Two Mile-St Regis R
No. I00090030+01171
3.7M W St. Regis1981Stringer/Multi-beam or Girder286 ft4,056Fair
I 90 over Int Two Mile-St Regis R
No. I00090030+01172
3.7M W St. Regis1981Stringer/Multi-beam or Girder285 ft4,056Fair
I 90 over St. Regis River
No. I00090030+05492
3.1M W St. Regis1981Stringer/Multi-beam or Girder376 ft4,056Good
I 90 EB over St. Regis River
No. I00090031+04741
1.9M W St. Regis1981Stringer/Multi-beam or Girder212 ft4,056Fair
I 90 over Int Superior
No. I00090047+05521
Superior1960Stringer/Multi-beam or Girder154 ft3,825Good
I 90 over Int Superior
No. I00090047+05522
Superior1960Stringer/Multi-beam or Girder154 ft3,825Good
I 90 over Cedar Creek
No. I00090049+00661
1.2M E Superior1966Stringer/Multi-beam or Girder169 ft3,825Fair
I 90 over Cedar Creek
No. I00090049+00662
1.2M E Superior1960Stringer/Multi-beam or Girder169 ft3,825Good
I 90 over Clark Fork River
No. I00090049+03971
1.9M E Superior1966Girder and Floorbeam System801 ft3,825Fair
I 90 over Clark Fork River
No. I00090049+03972
1.9M E Superior1960Girder and Floorbeam System801 ft3,825Fair
I 90 over Clark Fork River
No. I00090053+07231
6.2M E Superior1967Girder and Floorbeam System757 ft3,825Fair
I 90 over Clark Fork River
No. I00090053+07232
6.2M E Superior1967Girder and Floorbeam System757 ft3,825Fair
I 90 over Int Lozeau County Road
No. I00090055+04471
7.4M E Superior1967Stringer/Multi-beam or Girder128 ft3,825Fair
I 90 EB over RR
No. I00090057+04721
9.3M E Superior1967Stringer/Multi-beam or Girder313 ft3,825Fair
I 90 WB over RR
No. I00090057+04722
9.3M E Superior1967Stringer/Multi-beam or Girder313 ft3,825Fair
I 90 over Clark Fork River
No. I00090058+05501
10.5M E Superior1967Girder and Floorbeam System826 ft3,825Fair
I 90 over Clark Fork River
No. I00090058+05502
10.5M E Superior1967Girder and Floorbeam System826 ft3,825Fair
I 90 over Int Haugan
No. I00090016+03301
Haugan1976Tee Beam118 ft3,724Fair
I 90 over Int Haugan
No. I00090016+03302
Haugan1976Tee Beam118 ft3,724Fair
I 90 over Int De Borgia
No. I00090018+09271
De Borgia1976Stringer/Multi-beam or Girder118 ft3,724Good
I 90 over Int De Borgia
No. I00090018+09272
De Borgia1976Stringer/Multi-beam or Girder118 ft3,724Good
I 90 EB over St. Regis River
No. I00090024+04051
5.6M E De Borgia1980Stringer/Multi-beam or Girder381 ft3,724Fair
I 90 EB over St. Regis River
No. I00090024+06031
5.6M E De Borgia1980Stringer/Multi-beam or Girder402 ft3,724Fair
I 90 over Int Dry Creek
No. I00090042+03691
5M W Superior1983Stringer/Multi-beam or Girder135 ft3,719Fair
I 90 over Int Dry Creek
No. I00090042+03692
5M W Superior1983Stringer/Multi-beam or Girder135 ft3,719Fair
I 90 over Clark Fork River
No. I00090042+09191
3.7M W Superior1982Stringer/Multi-beam or Girder1,092 ft3,719Fair
I 90 over Clark Fork River
No. I00090042+09192
3.7M W Superior1984Stringer/Multi-beam or Girder1,092 ft3,719Poor
I 90 over Clark Fork River
No. I00090045+01802
2.5M W Superior1960Girder and Floorbeam System621 ft3,719Fair
I 90 over Int St. Regis
No. I00090033+04071
St. Regis1983Stringer/Multi-beam or Girder124 ft3,559Fair
I 90 over Int St. Regis
No. I00090033+04072
St. Regis1983Stringer/Multi-beam or Girder124 ft3,559Fair
I 90 EB over St. Regis River
No. I00090033+05281
St. Regis1983Stringer/Multi-beam or Girder244 ft3,559Fair
I 90 over St. Regis River
No. I00090033+05282
St. Regis1983Stringer/Multi-beam or Girder246 ft3,559Fair
I 90 over Clark Fork Rvr-Rr-Local
No. I00090033+09111
0.6M E St. Regis1982Stringer/Multi-beam or Girder881 ft3,559Fair
I 90 over Clark Fork Rvr-Rr-Local
No. I00090033+09112
0.6M E St. Regis1982Stringer/Multi-beam or Girder902 ft3,559Fair
I 90 EB over Sep Red Hill Road
No. I00090034+02081
0.6M E St. Regis1978Slab78 ft3,559Fair
I 90 WB over Sep Red Hill Road
No. I00090034+02082
0.6M E St. Regis1978Slab78 ft3,559Fair
I 90 over Int Sloway
No. I00090037+02011
3.7M E St. Regis1978Stringer/Multi-beam or Girder128 ft3,559Good
I 90 over Int Sloway
No. I00090037+02012
3.7M E St. Regis1978Stringer/Multi-beam or Girder128 ft3,559Fair
I 90 EB over Clark Fork Rvr-Local RD
No. I00090039+08051
6.2M E St. Regis1982Box Beam or Girders - Multiple1,283 ft3,559Fair
I 90 WB over Clark Fork Rvr-Local RD
No. I00090039+08052
6.2M E St. Regis1984Box Beam or Girders - Multiple1,145 ft3,559Fair
I 90 EB over Sep Southside Road
No. I00090039+09911
6.2M E St. Regis1984Slab78 ft3,559Fair
I 90 WB over Sep Southside Road
No. I00090039+09912
6.2M E St. Regis1984Slab78 ft3,559Fair
River ST N over Clark Fork 003
No. L31007002+05101
Superior-River ST N1972Stringer/Multi-beam or Girder437 ft2,346Fair
I 90 over St. Regis Rvr-Int Ramp
No. I00090033+05283
St. Regis1983Stringer/Multi-beam or Girder261 ft1,321Fair
Diamond Match RD over Cedar Creek
No. S00257001+05441
1M SE Superior1955Tee Beam110 ft743Good
Diamond Match RD over RR
No. S00257003+02161
3M SE Superior1955Tee Beam188 ft743Fair
Railroad Ave over Int Alberton-I 90
No. S00507000+00001
Alberton-Railroad Ave1963Stringer/Multi-beam or Girder222 ft661Good
I 90 over St. Regis Rvr-Int Ramp
No. I00090033+05284
St. Regis1983Stringer/Multi-beam or Girder208 ft625Fair
Old HWY 10 W over Clark Fork 054
No. L31170000+02001
3M W Alberton1932Truss - Deck518 ft356Poor
Fish Creek RD over Int Fish Creek-I 90 009
No. L31170003+05001
4M E Tarkio1965Stringer/Multi-beam or Girder274 ft356Fair
Rivulet RD over Fish Creek 058
No. L31170006+05001
2M E Rivulet1986Stringer/Multi-beam or Girder89 ft356Good
Upham Gulch RD over Cedar Creek 051
No. L31073000+01001
4M S Superior2005Tee Beam65 ft319Good
Southside Crossing over Clark Fork 015
No. L31169000+01001
N Dry Creek Int1982Stringer/Multi-beam or Girder429 ft299Fair
Southside RD over Dry Creek 002
No. L31169000+07001
5M W Superior1962Stringer/Multi-beam or Girder45 ft299Good
Lozeau Crossovr RD over Clark Fork 045
No. L31170019+06001
Lozeau1944Truss - Thru464 ft221Fair
S Frontage RD W over Clark Fork 053
No. L31089001+04001
2M W Alberton1916Truss - Thru371 ft174Poor
Mullan Gulch RD over Rock Creek 013
No. L31179000+05001
Henderson1931Tee Beam35 ft150Fair
Mullan Gulch RD over Twelvemile Creek 014
No. L31179001+09001
Henderson1931Tee Beam35 ft150Fair
Old HWY 10 E over ST Regis River 059
No. L31179013+02001
ST Regis1937Stringer/Multi-beam or Girder195 ft140Poor
Old HWY 10 E over Clark Fk-Rr 060
No. L31179013+04001
ST Regis1942Truss - Deck787 ft140Fair
I 90 over Clark Fork River
No. I00090045+01801
2.5M W Superior1976Stringer/Multi-beam or Girder545 ft100Fair
Big Creek RD over ST Regis River 019
No. L31054000+01001
Haugan1972Stringer/Multi-beam or Girder124 ft100Fair
Mullan RD E over Nemote Creek 006
No. L31070013+01001
2M NW Tarkio1931Stringer/Multi-beam or Girder75 ft100Poor
Packer Creek RD over ST Regis River 007
No. L31110000+01001
Saltese1957Girder and Floorbeam System62 ft100Fair
Packer Creek RD over Packer Creek 008
No. L31110000+03001
N Saltese1957Stringer/Multi-beam or Girder37 ft100Fair
Lkout Pss Ski Area over Int Lkout Pass-I 90 004
No. L31174000+02001
9M W Saltese1973Frame242 ft100Good
Old Mill Loop over RR 056
No. L31177000+02001
ST Regis1999Stringer/Multi-beam or Girder128 ft100Fair
Sloway Frntge RD E over Abandoned RR 001
No. L31203001+03001
5M E ST Regis1956Stringer/Multi-beam or Girder482 ft100Poor
Little Joe CR RD over Sep I 90 005
No. L31005000+09001
1M W ST Regis1983Stringer/Multi-beam or Girder315 ft58Good
Little Joe CR RD over ST Regis River 027
No. L31005001+00001
1M W ST Regis1965Stringer/Multi-beam or Girder142 ft58Good
No Data Entered over Trout Creek
No. 011600000035762
No Data Entered1950Stringer/Multi-beam or Girder60 ft50Fair
No Data Entered over North Fork Little Joe
No. 011600000035891
No Data Entered2023Stringer/Multi-beam or Girder96 ft50Good
No Data Entered over S Fk Fish Creek
No. 011604000000054
Fish CR Lolo CR1973Stringer/Multi-beam or Girder51 ft50Poor
RD 343-2 over S Fk Fish Creek
No. 011604000000055
Fish CR Lolo CR1966Stringer/Multi-beam or Girder40 ft50Poor
Fish CR RD over S Fk Fish Creek
No. 011604000000057
Fish CR Lolo CR1965Stringer/Multi-beam or Girder32 ft50Poor
Montana Creek Road over South Fork Fish CR
No. 011604000000127
Montana Creek Road1973Stringer/Multi-beam or Girder40 ft50Fair
Fish CR RD over W Fk Fish Creek
No. 011604000000209
Fish CR Lolo CR1966Stringer/Multi-beam or Girder61 ft50Poor
No Data Entered over Deer CR
No. 011604000003060
Fish CR Lolo CR2004Stringer/Multi-beam or Girder31 ft50Good
Thompson CR RD over S Fk Fish Creek
No. 011604000022622
Thompson CR Fish CR1999Stringer/Multi-beam or Girder88 ft50Good
No Data Entered over ST Regis River
No. 011607000000032
Deer CR1963Stringer/Multi-beam or Girder123 ft50Good
RD 250 over Trout CR
No. 011607000000034
Pierce-Superior1965Stringer/Multi-beam or Girder103 ft50Fair
No Data Entered over Silver Creek
No. 011607000000039
Silver CR1984Stringer/Multi-beam or Girder24 ft50Fair
No Data Entered over Cedar CR
No. 011607000000040
Cedar CR1935Truss - Thru107 ft50Fair
RD 320 over Cedar CR
No. 011607000000041
Cedar CR1959Stringer/Multi-beam or Girder31 ft50Poor
RD 342 over Dry CR
No. 011607000000051
Dry CR1959Stringer/Multi-beam or Girder29 ft50Fair
RD 352 over Twelvemile Creek
No. 011607000000067
Henderson-Thompson1955Stringer/Multi-beam or Girder32 ft50Fair
RD 352 over Twelvemile Creek
No. 011607000000068
Henderson-Thompson1955Stringer/Multi-beam or Girder28 ft50Poor
RD 352 over Twelvemile Creek
No. 011607000000069
Henderson-Thompson1955Stringer/Multi-beam or Girder25 ft50Poor
RD 352 over Twelvemile Creek
No. 011607000000070
Henderson-Thompson1955Stringer/Multi-beam or Girder24 ft50Fair
RD 386 over ST Regis River
No. 011607000000079
Big CR RD 3861972Stringer/Multi-beam or Girder123 ft50Fair
RD 388 over Cedar CR
No. 011607000000081
Snowshoe Pass1954Stringer/Multi-beam or Girder29 ft50Poor
RD 431 over ST Regis River
No. 011607000000086
Twomile CR1957Stringer/Multi-beam or Girder151 ft50Fair
RD 450 over Windfall CR
No. 011607000000088
Verde Windfall1967Stringer/Multi-beam or Girder25 ft50Fair
RD 450 over Trout CR
No. 011607000000089
Verde Windfall1967Stringer/Multi-beam or Girder41 ft50Fair
RD 506 over ST Regis River
No. 011607000000107
Cliff-Rainy CR1954Stringer/Multi-beam or Girder29 ft50Fair
RD 810 over ST Regis River
No. 011607000000119
Dominion CR1957Stringer/Multi-beam or Girder37 ft50Fair
RD 1181 over E Fk Big Creek
No. 011607000000151
Middle Fk Big CR1954Stringer/Multi-beam or Girder33 ft50Fair
No Data Entered over ST Regis River
No. 011607000000164
Ward CR1960Stringer/Multi-beam or Girder148 ft50Good
RD 889 over Ward Creek
No. 011607000000165
Ward CR1960Stringer/Multi-beam or Girder33 ft50Fair
RD 889 over Ward CR
No. 011607000000166
Ward CR1968Stringer/Multi-beam or Girder25 ft50Good
RD 9117 over Twelvemile Creek
No. 011607000000178
Cabin City Cg1963Stringer/Multi-beam or Girder31 ft50Fair
RD 388 over Hoodoo Creek
No. 011607000001025
Hoodoo Creek1957Stringer/Multi-beam or Girder25 ft50Fair
RD 236 over Deer Creek
No. 011607000001030
Deer Creek1991Stringer/Multi-beam or Girder25 ft50Good
RD 18720 over Ward Creek
No. 011607000001046
Ward Creek1972Stringer/Multi-beam or Girder99 ft50Good
300-1 over ST Regis River
No. 011607000001052
ST Regis River1955Girder and Floorbeam System125 ft50Fair
No Data Entered over Packer Creek
No. 011607000003051
No Data Entered1980Stringer/Multi-beam or Girder27 ft50Good
No Data Entered over ST Regis River
No. 011607000003052
No Data Entered1940Stringer/Multi-beam or Girder124 ft50Fair
No Data Entered over Savenac Creek
No. 011607000014888
No Data Entered2009Slab28 ft50Good
No Data Entered over ST Regis River
No. 011607000017192
No Data Entered1900Girder and Floorbeam System81 ft50Fair
No Data Entered over Van Ness Creek
No. 011607000032353
No Data Entered2019Slab34 ft50Good
No Data Entered over Sf Little Joe Creek
No. 011607000033682
No Data Entered2020Stringer/Multi-beam or Girder63 ft50Good
RD 3822 over Big Creek
No. 011607000033794
W Fk Big CR2019Stringer/Multi-beam or Girder74 ft50Good
No Data Entered over Fish Creek
No. 011604000000052
Fish CR Lolo CR1967Stringer/Multi-beam or Girder118 ft40Fair
Surveyor Creek over Surveyor Creek
No. 011604000024392
Surveyor Creek2015Slab37 ft40Good
No Data Entered over Big Creek
No. 011607000000080
Big CR1951Stringer/Multi-beam or Girder61 ft40Fair
RD 431 over Twomile Creek
No. 011607000000087
Twomile CR1959Stringer/Multi-beam or Girder24 ft40Fair
No Data Entered over Randolf Creek
No. 011607000003050
No Data Entered1991Stringer/Multi-beam or Girder44 ft40Good
No Data Entered over Henderson Creek
No. 011607000003054
No Data Entered1955Stringer/Multi-beam or Girder43 ft40Poor
No Data Entered over Flat Creek Creek
No. 011607000003062
No Data Entered2004Stringer/Multi-beam or Girder41 ft40Good
No Data Entered over No Elk Creek
No. 011607000003063
No Data Entered2004Stringer/Multi-beam or Girder31 ft40Good
No Data Entered over Hair Ball
No. 011607000003064
No Data Entered2004Stringer/Multi-beam or Girder31 ft40Good
No Data Entered over Lower No Elk Creek
No. 011607000003065
No Data Entered2004Stringer/Multi-beam or Girder31 ft40Good
I 90 over St. Regis Rvr-Int Ramp
No. I00090030+02024
3.7M W St. Regis1981Stringer/Multi-beam or Girder152 ft22Fair

Structure types in Mineral County

Stringer/Multi-beam or Girder11877.1%
Girder and Floorbeam System127.8%
Tee Beam74.6%
Slab74.6%
Truss - Thru32.0%
Box Beam or Girders - Multiple21.3%
Truss - Deck21.3%
Culvert10.7%
Frame10.7%

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