Broadwater County, MT

31 public highway bridges

Broadwater County Bridge Snapshot

Broadwater County, Montana contains 31 public highway bridges in the FHWA National Bridge Inventory. Roughly 16.1% are rated “Good,” 71% “Fair,” 6.5% “Poor,” and 6.5% 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.

31
Total Bridges
16.1%
Good
6.5%
Poor
6.5%
Structurally Deficient

Condition Distribution

Good
16.1% (5)
Fair
71% (22)
Poor
6.5% (2)
SD
6.5% (2)

All Bridges (31)

US 287

Unknown

Over: RR

TOSTON, Broadwater, MT

Built 2020 ADT: 100

US 287

Unknown

Over: INT THREE FORKS I 90

3M W THREE FORKS, Broadwater, MT

Built 2012 ADT: 8,465

US287

Fair

Over: BEAVER CREEK

1 M NW WINSTON, Broadwater, MT

Built 1992 ADT: 6,537

S 285

Fair

Over: CROW CREEK

3M SE RADERSBURG, Broadwater, MT

Built 1948 Load: 18.1 t ADT: 202

CROW CREEK ROAD

Fair

Over: CROW CREEK

CROW CREEK 2, Broadwater, MT

Built 1967 Load: 23.0 t ADT: 50

Canton Lane

Fair

Over: Eastside Canal

3 mi NE of Townsend MT, Broadwater, MT

Built 1974 Load: 24.3 t ADT: 5

CROW CREEK ROAD

Fair

Over: CROW CREEK

CROW CREEK 1, Broadwater, MT

Built 1967 Load: 24.3 t ADT: 50

US 12

Fair

Over: MISSOURI RIVER

1M N TOWNSEND, Broadwater, MT

Built 1935 Load: 24.5 t ADT: 6,624

WEASEL CK ROAD

Fair

Over: CROW CREEK

JENKINS GULCH, Broadwater, MT

Built 1983 Load: 24.6 t ADT: 20

Lower Ray Cr Road

Fair

Over: Eastside Canal

5 mi NE of Townsend MT, Broadwater, MT

Built 1974 Load: 25.2 t ADT: 5

CROW CREEK RD

Fair

Over: CROW CREEK 014

3M N RADERSBURG, Broadwater, MT

Built 1967 Load: 27.2 t ADT: 100

US 12

Fair

Over: DEEP CREEK

16M E TOWNSEND, Broadwater, MT

Built 2014 Load: 28.1 t ADT: 707

DRY HOLLOW RD

Fair

Over: BROADWATER MISSOURI 015

3M N TOSTON, Broadwater, MT

Built 1976 Load: 29.9 t ADT: 100

US 12

Fair

Over: DEEP CREEK

18M NE TOWNSEND, Broadwater, MT

Built 2014 Load: 31.8 t ADT: 707

US 12

Fair

Over: DEEP CREEK

18M NE TOWNSEND, Broadwater, MT

Built 2014 Load: 31.8 t ADT: 707

LOMBARD RD

Fair

Over: BROADWATER MISSOURI 018

1M SE TOSTON, Broadwater, MT

Built 1976 Load: 32.7 t ADT: 100

SIXMILE RD

Fair

Over: BROADWATER CANAL 016

2M N TOSTON, Broadwater, MT

Built 1976 Load: 32.7 t ADT: 100

GREAVES RD

Fair

Over: BROADWATER MISSOURI 017

1M N TOSTON, Broadwater, MT

Built 1976 Load: 32.7 t ADT: 100

FERRY ST

Fair

Over: BROADWATER MISSOURI 020

TOSTON, Broadwater, MT

Built 1980 Load: 32.7 t ADT: 100

US 287

Fair

Over: MILLIGAN CREEK

6M SW THREE FORKS, Broadwater, MT

Built 1968 Load: 35.4 t ADT: 1,524

US 12

Fair

Over: DEEP CREEK

10M E TOWNSEND, Broadwater, MT

Built 2007 Load: 37.2 t ADT: 1,298

S 285

Fair

Over: TOSTON CANAL

2M W TOSTON, Broadwater, MT

Built 1948 Load: 37.2 t ADT: 314

US 287

Fair

Over: DEEP CREEK

2M S TOWNSEND, Broadwater, MT

Built 2012 Load: 39.0 t ADT: 5,310

US 12

Fair

Over: DEEP CREEK

11M E TOWNSEND, Broadwater, MT

Built 2015 Load: 45.4 t ADT: 707

N FORK RD

Good

Over: DEEP CREEK 008

10M E TOWNSEND, Broadwater, MT

Built 2015 Load: 28.1 t ADT: 100

US 287

Good

Over: MISSOURI RIVER

TOSTON, Broadwater, MT

Built 2020 Load: 40.8 t ADT: 4,885

US 12

Good

Over: DEEP CREEK

14M E TOWNSEND, Broadwater, MT

Built 2015 Load: 41.7 t ADT: 707

US 12

Good

Over: DEEP CREEK

14M E TOWNSEND, Broadwater, MT

Built 2015 Load: 42.6 t ADT: 707

US 287

Good

Over: SIX MILE CREEK

1M N TOSTON, Broadwater, MT

Built 2020 Load: 47.2 t ADT: 4,885

FLYNN LN

Poor

Over: BROADWATER MISSOURI 006

5M N TOSTON, Broadwater, MT

Built 1976 Load: 27.2 t ADT: 100

HWY 287 BYPASS

Structurally Deficient

Over: MISSOURI RIVER 019

TOSTON, Broadwater, MT

Built 1920 Load: 7.3 t ADT: 175

Related

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