US Bridges

Liberty County, Montana bridges

Liberty County has 10 bridges and culverts in the National Bridge Inventory, the oldest built in 1951. None are rated poor. The most common type is culvert (40%).

Bridges
10
Good
30%
Fair
70%
Poor
0%
0 bridges
Average age
47.5 yrs
Posted or closed
1

Map of bridges in Liberty County

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

Search bridges in Liberty County

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

Condition

0%poor
Good30%(3)
Fair70%(7)
Poor0%(0)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 0 bridges19301940s: 0 bridges19401950s: 2 bridges219501960s: 3 bridges319601970s: 1 bridges119701980s: 1 bridges119801990s: 1 bridges119902000s: 1 bridges120002010s: 0 bridges20102020s: 1 bridges12020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 2 over Cottonwood Creek
    2,325 vehicles/day
    Fair
  2. S 223 over Cottonwood Creek
    518 vehicles/day
    Fair
  3. S 223 over Cottonwood Creek
    409 vehicles/day
    Fair
  4. S 223 over Marias River
    270 vehicles/day
    Fair
  5. County RD 001 over Cottonwood Creek
    100 vehicles/day
    Good

Longest

  1. S 223 over Marias River
    348 ft
    Fair
  2. Pugsley RD over Marias River 006
    328 ft
    Fair
  3. Moffat RD over Marias River 011
    183 ft
    Good
  4. Bootlegger RD over Pondera Coulee
    82 ft
    Fair
  5. US 2 over Cottonwood Creek
    58 ft
    Fair

Oldest

  1. Pugsley RD over Marias River 006
    Built 1951
    Fair
  2. US 2 over Cottonwood Creek
    Built 1953
    Fair
  3. S 223 over Cottonwood Creek
    Built 1960
    Fair
  4. S 223 over Cottonwood Creek
    Built 1963
    Fair
  5. S 223 over Marias River
    Built 1966
    Fair

All bridges in Liberty County

Busiest first · showing 1–10 of 10
Bridges in Liberty County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 2 over Cottonwood Creek
No. P00001322+03991
Chester1953Stringer/Multi-beam or Girder58 ft2,325Fair
S 223 over Cottonwood Creek
No. S00223050+07001
2M S Chester1960Culvert34 ft518Fair
S 223 over Cottonwood Creek
No. S00223046+06001
6M S Chester1963Culvert36 ft409Fair
S 223 over Marias River
No. S00223034+03571
18M SE Chester1966Stringer/Multi-beam or Girder348 ft270Fair
County RD 001 over Cottonwood Creek
No. 000000202003449
16M S Joplin2020Culvert28 ft100Good
Moffat RD over Marias River 011
No. L26006007+03001
17M S Chester1995Tee Beam183 ft100Good
Pugsley RD over Marias River 006
No. L26038005+01001
18M SW Chester1951Suspension328 ft100Fair
Broadhurst RD over Pondera Coulee 013
No. L26040001+05001
4M S Tiber Dam1977Channel Beam38 ft100Fair
Black Jack RD over Sage Creek 001
No. L26238001+08001
14M E Whitlash2006Culvert22 ft100Good
Bootlegger RD over Pondera Coulee
No. S00225049+01461
30M E Conrad1984Tee Beam82 ft18Fair

Structure types in Liberty County

Culvert440.0%
Stringer/Multi-beam or Girder220.0%
Tee Beam220.0%
Suspension110.0%
Channel Beam110.0%

Other counties in Montana