Beaverhead County, MT

217 public highway bridges

Beaverhead County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Beaverhead County, Montana contains 217 public highway bridges. Roughly 20.7% are rated “Good,” 49.3% “Fair,” and 9.2% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

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

217
Total Bridges
20.7%
Good
49.3%
Fair
9.2%
Poor Condition

Condition Distribution

Good
20.7% (45)
Fair
49.3% (107)
Poor
9.2% (20)

All Bridges (217)

FRONTAGE ROAD 280

Fair

Over: BIG SHEEP CREEK 027

SE OF DELL, Beaverhead, MT

Built 1969 Load: 49.0 t ADT: 100

I 15

Fair

Over: DRAINAGE

13M N DILLON, Beaverhead, MT

Built 1973 Load: 99.9 t ADT: 3,803

NO DATA ENTERED

Good

Over: BIG HOLE RIVER

NO DATA ENTERED, Beaverhead, MT

Built 2022 ADT: 50

NO DATA ENTERED

Good

Over: CANYON CREEK

NO DATA ENTERED, Beaverhead, MT

Built 2023 ADT: 50

1869: DEADWOOD GUL

Good

Over: BIG SHEEP CREEK

6 mi SW of I-15 exit 23, Beaverhead, MT

Built 1991 Load: 10.4 t ADT: 25

I 15

Good

Over: BEAVERHEAD RIVER

0.6M N DILLON, Beaverhead, MT

Built 1973 Load: 17.2 t ADT: 1,996

I 15

Good

Over: BEAVERHEAD RIVER

0.6M N DILLON, Beaverhead, MT

Built 1973 Load: 17.2 t ADT: 1,996

S RAILROAD AVENUE

Good

Over: BLACKTAIL DEER CREEK 130

DILLON-S RAILROAD AVE, Beaverhead, MT

Built 2010 Load: 17.2 t ADT: 100

FDR 2475

Good

Over: WISE RIVER

ADSON CR., Beaverhead, MT

Built 1986 Load: 17.8 t ADT: 50

NO DATA ENTERED

Good

Over: BLOODY D--- CR

BLOODY D--- CR, Beaverhead, MT

Built 1998 Load: 18.5 t ADT: 40

S 43 FH 20

Good

Over: TRAIL CREEK

19M W WISDOM, Beaverhead, MT

Built 1961 Load: 20.0 t ADT: 431

E REEDER STREET

Good

Over: BLACKTAIL DEER CREEK 131

DILLON-E REEDER ST, Beaverhead, MT

Built 2010 Load: 20.4 t ADT: 1,925

I 15

Good

Over: BEAVERHEAD RIVER

5M N CLARK CANYON DAM, Beaverhead, MT

Built 1980 Load: 22.7 t ADT: 2,836

CORINNE TRAIL

Good

Over: HORSE PRAIRE CREEK 042

3M E GRANT, Beaverhead, MT

Built 1951 Load: 23.5 t ADT: 100

HENNABERRY RD

Good

Over: BEAVERHEAD RIVER 125

HENNEBERRY ROAD, Beaverhead, MT

Built 2000 Load: 24.6 t ADT: 100

BIG SHEEP CR RD

Good

Over: BIG SHEEP CREEK 013

10M SW DELL, Beaverhead, MT

Built 2016 Load: 24.6 t ADT: 175

BIG SHEEP CR RD

Good

Over: BIG SHEEP CREEK 014

8.5M SW DELL, Beaverhead, MT

Built 2016 Load: 24.6 t ADT: 175

FDR 7498

Good

Over: BIRCH CREEK

NO DATA ENTERED, Beaverhead, MT

Built 1995 Load: 24.9 t ADT: 15

ARGENTA RD

Good

Over: RATTLESNAKE CREEK 039

11M NW DILLON, Beaverhead, MT

Built 2012 Load: 25.4 t ADT: 93

W PARK ST

Good

Over: BEAVERHEAD RIVER 005

1M W DILLON, Beaverhead, MT

Built 1992 Load: 25.4 t ADT: 100

BIG SHEEP CR RD

Good

Over: BIG SHEEP CREEK 015

3M S DELL, Beaverhead, MT

Built 2016 Load: 25.6 t ADT: 175

NO DATA ENTERED

Good

Over: BENDER CR.

NO DATA ENTERED, Beaverhead, MT

Built 2002 Load: 25.9 t ADT: 10

NO DATA ENTERED

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Beaverhead, MT

Built 2008 Load: 27.2 t ADT: 50

CO RD 002 FH 73

Good

Over: GRASSHOPPER CREEK 016

25M NW DILLON, Beaverhead, MT

Built 1998 Load: 27.2 t ADT: 243

ROCK CREEK ROAD

Good

Over: BIG HOLE RIVER 077

3M SW WISDOM, Beaverhead, MT

Built 2021 Load: 28.8 t ADT: 100

NO DATA ENTERED

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Beaverhead, MT

Built 2009 Load: 28.8 t ADT: 40

I 15

Good

Over: BEAVERHEAD RIVER

8M N CLARK CANYON DAM, Beaverhead, MT

Built 1965 Load: 29.0 t ADT: 2,210

BANNACK BENCH RD

Good

Over: GRASSHOPPER CREEK 009

BANNACK, Beaverhead, MT

Built 2012 Load: 29.9 t ADT: 100

ROAD 325

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Beaverhead, MT

Built 2014 Load: 30.1 t ADT: 50

ROCK CREEK ROAD

Good

Over: BIG HOLE RIVER 077

3M SW WISDOM, Beaverhead, MT

Built 2021 Load: 30.8 t ADT: 100

BRENNER LANE

Good

Over: BLOODY DICK CREEK

12 M W GRANT, Beaverhead, MT

Built 2020 Load: 32.7 t ADT: 100

CO RD 002 FH 73

Good

Over: WISE RIVER 106

7M S WISE RIVER, Beaverhead, MT

Built 1971 Load: 32.7 t ADT: 289

CO RD 002 FH 73

Good

Over: WISE RIVER 105

8M S WISE RIVER, Beaverhead, MT

Built 1971 Load: 32.7 t ADT: 289

CO RD 002 FH 73

Good

Over: WISE RIVER 021

10M S WISE RIVER, Beaverhead, MT

Built 1971 Load: 32.7 t ADT: 289

CO RD O02 FH 73

Good

Over: WISE RIVER 075

12M S WISE RIVER, Beaverhead, MT

Built 1971 Load: 32.7 t ADT: 289

COUNTY ROAD 278

Good

Over: BEAVERHEAD RIVER 124

1.2M S BARRETTS INT, Beaverhead, MT

Built 1988 Load: 32.7 t ADT: 26

BRENNER LANE

Good

Over: TRAIL CREEK

12 M W GRANT, Beaverhead, MT

Built 2020 Load: 33.6 t ADT: 100

FRYING PAN ROAD

Good

Over: WEST SIDE CANAL 126

3M N DILLON, Beaverhead, MT

Built 2011 Load: 33.6 t ADT: 350

MANSFIELD LN

Good

Over: HORSE PRAIRIE CREEK 011

2M NW GRANT, Beaverhead, MT

Built 2007 Load: 34.5 t ADT: 100

FDR #1079

Good

Over: BIG BEAVER CR.

NO DATA ENTERED, Beaverhead, MT

Built 2006 Load: 34.7 t ADT: 12

STEEL CREEK RD

Good

Over: STEEL CREEK 082

1M NE WISDOM, Beaverhead, MT

Built 2012 Load: 35.4 t ADT: 100

SKINNER MEADOWS RD

Good

Over: GOVERNOR CREEK 130

3M SW JACKSON, Beaverhead, MT

Built 2010 Load: 36.3 t ADT: 100

NISSEN LANE

Good

Over: DILLON CANAL 129

3M NE DILLON, Beaverhead, MT

Built 2010 Load: 36.3 t ADT: 100

CARRIGAN LANE

Good

Over: CANYON DITCH 127

8M S DILLON, Beaverhead, MT

Built 2011 Load: 36.3 t ADT: 100

FS RTE 192

Good

Over: ROCK CREEK

ROCK CR, Beaverhead, MT

Built 1986 Load: 38.6 t ADT: 40

MT-43 FH 20

Good

Over: TRAIL CREEK

17 M W WISDOM, Beaverhead, MT

Built 2021 Load: 45.4 t ADT: 431

MT-43 FH 20

Good

Over: TRAIL CREEK

16 M W WISDOM, Beaverhead, MT

Built 2021 Load: 45.4 t ADT: 431

HWY 91 N

Poor

Over: BIG HOLE RIVER 041

22M N DILLON, Beaverhead, MT

Built 1940 Load: 2.7 t ADT: 155

UPPER N FORK RD

Poor

Over: N FK BIGHOLE RIVER 064

6M NW WISDOM, Beaverhead, MT

Built 1977 Load: 4.5 t ADT: 100

BLACKTAIL RD

Poor

Over: EAST BENCH CANAL 006

2M S DILLON, Beaverhead, MT

Built 1962 Load: 4.5 t ADT: 100

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.