Stillwater County, MT

90 public highway bridges

Stillwater County Bridge Snapshot

Stillwater County, Montana contains 90 public highway bridges in the FHWA National Bridge Inventory. Roughly 26.7% are rated “Good,” 44.4% “Fair,” 1.1% “Poor,” and 1.1% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in MT are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

90
Total Bridges
26.7%
Good
1.1%
Poor
1.1%
Structurally Deficient

Condition Distribution

Good
26.7% (24)
Fair
44.4% (40)
Poor
1.1% (1)
SD
1.1% (1)

All Bridges (90)

I 90

Unknown

Over: INT REED POINT

REED POINT, Stillwater, MT

Built 1963 ADT: 174

I 90

Unknown

Over: INT REED POINT

REED POINT, Stillwater, MT

Built 1963 ADT: 174

I 90

Unknown

Over: INT EXIT 396

5M E REEDPOINT, Stillwater, MT

Built 1963 ADT: 100

I 90

Unknown

Over: INT SPRINGTIME

8M W COLUMBUS, Stillwater, MT

Built 1971 ADT: 100

I 90

Unknown

Over: INT SPRINGTIME

8M W COLUMBUS, Stillwater, MT

Built 1971 ADT: 100

I 90

Unknown

Over: INT COLUMBUS-9TH ST N

COLUMBUS, Stillwater, MT

Built 1971 ADT: 5,426

I 90

Unknown

Over: INT COLUMBUS-9TH ST N

COLUMBUS, Stillwater, MT

Built 1971 ADT: 100

I 90

Unknown

Over: HENSLEY CR-HENSLEY CR RD

5.6M E COLUMBUS, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: HENSLEY CR-HENSLEY CR RD

5.6M E COLUMBUS, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP TUCKER CREEK ROAD

8.7M E COLUMBUS, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP TUCKER CREEK ROAD

8.7M E COLUMBUS, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP ALLEN CREEK ROAD

7.4M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP ALLEN CREEK ROAD

7.4M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP YEGENS COUNTY ROAD

6.2M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP YEGENS COUNTY ROAD

6.2M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP YOUNGS POINT ROAD

4.3M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP YOUNGS POINT ROAD

4.3M W PARK CITY, Stillwater, MT

Built 1970 ADT: 100

I 90

Unknown

Over: SEP VALLEY CREEK ROAD

1.2M W PARK CITY, Stillwater, MT

Built 1970 ADT: 198

I 90

Unknown

Over: SEP VALLEY CREEK ROAD

1.2M W PARK CITY, Stillwater, MT

Built 1970 ADT: 198

I 90

Unknown

Over: INT PARK CITY

PARK CITY, Stillwater, MT

Built 1967 ADT: 774

I 90

Unknown

Over: INT PARK CITY

PARK CITY, Stillwater, MT

Built 1967 ADT: 774

I 90

Unknown

Over: SEP POPE ROAD

1.9M E PARK CITY, Stillwater, MT

Built 1967 ADT: 67

I 90

Unknown

Over: SEP POPE ROAD

1.9M E PARK CITY, Stillwater, MT

Built 1967 ADT: 67

COLUMBUS-MOLT RD

Unknown

Over: SEP COLUMBUS-MOLT RD I 9

2M E COLUMBUS, Stillwater, MT

Built 1970 ADT: 5,470

RAPELJE RD

Unknown

Over: SEP RAPELJE-I 90

1M N COLUMBUS, Stillwater, MT

Built 1971 ADT: 5,961

I 90

Fair

Over: RR

6.2M E REED POINT, Stillwater, MT

Built 1962 Load: 18.1 t ADT: 5,353

OLD US 10

Fair

Over: VALLEY CREEK 019

1M W PARK CITY, Stillwater, MT

Built 1928 Load: 19.0 t ADT: 1,607

WOODBINE CAMPGRD

Fair

Over: STILLWATER RIVER

1-LANE ROAD, Stillwater, MT

Built 1962 Load: 19.4 t ADT: 99

1-LANE ROAD

Fair

Over: WEST ROSEBUD CREEK

EMERALD LAKE INLET, Stillwater, MT

Built 1965 Load: 19.8 t ADT: 50

CEMETERY RD

Fair

Over: VALLEY CREEK 039

2M W PARK CITY, Stillwater, MT

Built 1940 Load: 20.8 t ADT: 100

OLD US 10

Fair

Over: HENSLEY CREEK 014

5M SE COLUMBUS, Stillwater, MT

Built 1928 Load: 20.8 t ADT: 1,607

I 90

Fair

Over: YELLOWSTONE RIVER

5.6M E REEDPOINT, Stillwater, MT

Built 1961 Load: 20.9 t ADT: 5,353

FRONTAGE ROAD 120

Fair

Over: VALLEY CREEK 048

1M W PARK CITY, Stillwater, MT

Built 1969 Load: 20.9 t ADT: 100

OLD US 10

Fair

Over: COVE DITCH 011

PARK CITY, Stillwater, MT

Built 1928 Load: 20.9 t ADT: 726

NITCHE RD

Fair

Over: ROSEBUD CREEK 029

2M SW ABSAROKEE, Stillwater, MT

Built 2003 Load: 21.4 t ADT: 100

OLD US 10

Fair

Over: BROWN CREEK 013

4M SE COLUMBUS, Stillwater, MT

Built 1935 Load: 22.7 t ADT: 1,607

OLD US 10

Fair

Over: COVE DITCH 012

2M NE PARK CITY, Stillwater, MT

Built 1928 Load: 23.5 t ADT: 726

I 90

Fair

Over: RR

6.2M E REED POINT, Stillwater, MT

Built 1976 Load: 23.6 t ADT: 5,353

REED POINT RD

Fair

Over: YELLOWSTONE RIVER 004

NW REED POINT, Stillwater, MT

Built 2000 Load: 23.6 t ADT: 174

OLD US 10

Fair

Over: BIG DITCH 010

PARK CITY, Stillwater, MT

Built 1928 Load: 23.6 t ADT: 726

OLD US 10

Fair

Over: COVE DITCH 015

7M SE COLUMBUS, Stillwater, MT

Built 1928 Load: 24.4 t ADT: 1,607

OLD US 10

Fair

Over: ALLEN CREEK 016

7M W PARK CITY, Stillwater, MT

Built 1928 Load: 24.4 t ADT: 1,607

I 90

Fair

Over: KEYSER CREEK

1.2M W COLUMBUS, Stillwater, MT

Built 1971 Load: 24.5 t ADT: 5,961

I 90

Fair

Over: KEYSER CREEK

1.2M W COLUMBUS, Stillwater, MT

Built 1971 Load: 24.5 t ADT: 5,961

NYE RD-S 419

Fair

Over: STILLWATER RIVER

NYE, Stillwater, MT

Built 1945 Load: 24.5 t ADT: 721

VALLEY CREEK RD

Fair

Over: VALLEY CREEK 008

2M NW PARK CITY, Stillwater, MT

Built 2010 Load: 25.3 t ADT: 100

I 90

Fair

Over: BIG DITCH

5.6M W PARK CITY, Stillwater, MT

Built 1970 Load: 25.4 t ADT: 5,470

I 90

Fair

Over: BIG DITCH

5.6M W PARK CITY, Stillwater, MT

Built 1970 Load: 25.4 t ADT: 5,470

1ST ST NW

Fair

Over: COVE DITCH 005

0.5M NW PARK CITY, Stillwater, MT

Built 1935 Load: 25.4 t ADT: 100

I 90

Fair

Over: YELLOWSTONE RIVER

5.6M E REED POINT, Stillwater, MT

Built 1976 Load: 26.3 t ADT: 5,353

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial