Treasure County, MT

26 public highway bridges

Treasure County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Treasure County, Montana contains 26 public highway bridges. Roughly 23.1% are rated “Good,” 42.3% “Fair,” and 15.4% “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.

26
Total Bridges
23.1%
Good
42.3%
Fair
15.4%
Poor Condition

Condition Distribution

Good
23.1% (6)
Fair
42.3% (11)
Poor
15.4% (4)

All Bridges (26)

I 94

Unknown

Over: INT HYSHAM

14.9M E BIGHORN, Treasure, MT

Built 1964 ADT: 433

I 94

Unknown

Over: INT HYSHAM

14.9M E BIGHORN, Treasure, MT

Built 1976 ADT: 433

HAINES RANCH RD

Unknown

Over: SEP I 94 016

3M SE SANDERS, Treasure, MT

Built 1976 ADT: 2,067

TULLOCK RD

Unknown

Over: INT BIGHORN I 94 002

1M S BIGHORN, Treasure, MT

Built 1963 ADT: 2,554

SARPY CREEK RD

Unknown

Over: INT SARPY CREEK I 94

2M SW SANDERS, Treasure, MT

Built 1967 ADT: 2,489

RIVER RD

Fair

Over: IRRIGATION DITCH 020

2M W HYSHAM, Treasure, MT

Built 1978 Load: 4.5 t ADT: 17

MYERS RD

Fair

Over: YELLOWSTONE RIVER

MYERS, Treasure, MT

Built 1968 Load: 8.7 t ADT: 95

PUMPHOUSE RD

Fair

Over: IRRIGATION DITCH 006

1M NW HYSHAM, Treasure, MT

Built 1955 Load: 9.1 t ADT: 168

WILSON RD

Fair

Over: SARPY CREEK 012

22M S HYSHAM, Treasure, MT

Built 1970 Load: 9.1 t

TULLOCK RD

Fair

Over: WEST BURNT CREEK 019

10M SE BIGHORN, Treasure, MT

Built 1970 Load: 12.7 t ADT: 35

OLD HWY 10

Fair

Over: IRRIGATION DITCH 022

9M E HYSHAM, Treasure, MT

Built 2011 Load: 19.1 t ADT: 218

FRONTAGE ROAD 018

Fair

Over: DRAINAGE 010

4M E HYSHAM, Treasure, MT

Built 1933 Load: 22.7 t ADT: 218

OLD HWY 10

Fair

Over: IRRIGATION DITCH 024

10M E HYSHAM, Treasure, MT

Built 1933 Load: 28.1 t ADT: 271

OLD HWY 10

Fair

Over: DRAINAGE 015

6M E HYSHAM, Treasure, MT

Built 1933 Load: 29.0 t ADT: 218

INGOMAR RD

Fair

Over: MUGGINS CREEK 004

2M NW MYERS, Treasure, MT

Built 1970 Load: 43.5 t ADT: 100

SARPY CREEK RD

Fair

Over: SARPY CREEK

4M SW SANDERS, Treasure, MT

Built 1990 Load: 84.4 t ADT: 84

I 94

Good

Over: SARPY CREEK

18.6M E BIGHORN, Treasure, MT

Built 1976 Load: 21.8 t ADT: 2,067

MISSION VALLEY RD

Good

Over: FROZE TO DEATH CR 013

2M NW MYERS, Treasure, MT

Built 1986 Load: 27.2 t ADT: 9

I 94

Good

Over: SARPY CREEK

18.6M E BIGHORN, Treasure, MT

Built 1967 Load: 28.1 t ADT: 2,489

OLD HWY 10

Good

Over: SARPY CREEK 014

5M E HYSHAM, Treasure, MT

Built 2015 Load: 29.0 t ADT: 218

MEYERS RD

Good

Over: ALKALI CREEK

4M NW MYERS, Treasure, MT

Built 1977 Load: 29.9 t ADT: 95

I 94

Good

Over: SEP RR

18.6M E BIGHORN, Treasure, MT

Built 1973 Load: 99.9 t ADT: 4,977

FRONTAGE RD

Poor

Over: SARPY CREEK 003

4M E HYSHAM, Treasure, MT

Built 1925 Load: 5.4 t ADT: 28

RIVER RD

Poor

Over: IRRIGATION DITCH 005

3M W HYSHAM, Treasure, MT

Built 1979 Load: 5.4 t ADT: 17

FRONTAGE ROAD 018

Poor

Over: IRRIGATION DITCH 001

1M E HYSHAM, Treasure, MT

Built 1933 Load: 21.8 t ADT: 279

FRONTAGE ROAD 018

Poor

Over: DRAINAGE 009

4M E HYSHAM, Treasure, MT

Built 1933 Load: 25.4 t ADT: 218

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.