Yellowstone County, MT

283 public highway bridges

Yellowstone County Bridge Snapshot

Yellowstone County, Montana contains 283 public highway bridges in the FHWA National Bridge Inventory. Roughly 28.3% are rated “Good,” 46.3% “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.

283
Total Bridges
28.3%
Good
1.1%
Poor
1.1%
Structurally Deficient

Condition Distribution

Good
28.3% (80)
Fair
46.3% (131)
Poor
1.1% (3)
SD
1.1% (3)

All Bridges (283)

SHANNON RD

Fair

Over: CANYON CREEK DITCH 061

3M NE LAUREL, Yellowstone, MT

Built 1984 Load: 31.8 t ADT: 1,800

DANFORD RD

Fair

Over: CANYON CREEK DITCH 108

5M SW BILLINGS, Yellowstone, MT

Built 1938 Load: 31.8 t ADT: 1,146

TREWIN SCHOOL RD

Fair

Over: BIG DITCH 066

5M W LAUREL, Yellowstone, MT

Built 1985 Load: 31.8 t ADT: 100

SHEPHERD ACTON RD

Fair

Over: BBWA CANAL 086

4M W SHEPHERD, Yellowstone, MT

Built 1984 Load: 31.8 t ADT: 100

S BILLINGS BLVD

Fair

Over: YELLOWSTONE RIVER

1M S BILLINGS, Yellowstone, MT

Built 1972 Load: 31.8 t ADT: 9,171

BUNDY RD

Fair

Over: YELLOWSTONE RIVER

3M NW POMPEY`S PILLAR, Yellowstone, MT

Built 2001 Load: 31.8 t ADT: 86

I 94

Fair

Over: DRAINAGE

1.2M E BALLENTINE, Yellowstone, MT

Built 1968 Load: 32.7 t ADT: 5,154

I 94

Fair

Over: SIAN HILL ROAD

6.2M E POMPEYS PILLAR, Yellowstone, MT

Built 1976 Load: 32.7 t ADT: 2,385

I 94

Fair

Over: SIAN HILL ROAD

6.2M E POMPEYS PILLAR, Yellowstone, MT

Built 1976 Load: 32.7 t ADT: 2,385

N 18TH RD

Fair

Over: ARROW CREEK 150

3M NE WORDEN, Yellowstone, MT

Built 1987 Load: 32.7 t ADT: 62

N 19TH RD

Fair

Over: ARROW CREEK 100

2M NE WORDEN, Yellowstone, MT

Built 1995 Load: 32.7 t ADT: 100

LOWER CANAL RD

Fair

Over: HUNTLEY MAIN CANAL 154

3 NE BALLANTINE, Yellowstone, MT

Built 1982 Load: 32.7 t ADT: 32

FLY CREEK RD

Fair

Over: FLY CREEK 140

1M SW POMPAY`S PILLAR, Yellowstone, MT

Built 1996 Load: 32.7 t ADT: 100

PRYOR RD

Fair

Over: HAMILTON CREEK 133

9M NE PRYOR, Yellowstone, MT

Built 1997 Load: 32.7 t ADT: 760

PRYOR RD

Fair

Over: PRYOR CREEK 010

15M S BILLINGS, Yellowstone, MT

Built 1979 Load: 32.7 t ADT: 760

PRYOR RD

Fair

Over: PRYOR CREEK 014

20M S BILLINGS, Yellowstone, MT

Built 2001 Load: 32.7 t ADT: 592

AQUI ESTA DR

Fair

Over: BLUE CREEK 124

4M SE BILLINGS, Yellowstone, MT

Built 1967 Load: 32.7 t ADT: 100

COLLEEN DR

Fair

Over: BLUE CREEK 125

3M SE BILLINGS, Yellowstone, MT

Built 1979 Load: 32.7 t ADT: 100

56TH ST W

Fair

Over: BIG DITCH 071

3M W BILLINGS, Yellowstone, MT

Built 1964 Load: 32.7 t ADT: 2,538

CANYON CREEK RD

Fair

Over: CANYON CREEK 042

9M NW LAUREL, Yellowstone, MT

Built 1965 Load: 32.7 t ADT: 100

MARKEGARD RD

Fair

Over: COVE DITCH 067

4M W LAUREL, Yellowstone, MT

Built 1986 Load: 32.7 t ADT: 100

ROLAND DR

Fair

Over: CANYON CREEK DITCH 056

5M SW BILLINGS, Yellowstone, MT

Built 1972 Load: 32.7 t ADT: 100

S 44TH ST W

Fair

Over: CANYON CREEK DITCH 190

7M NE LAUREL, Yellowstone, MT

Built 1965 Load: 32.7 t ADT: 100

ESTHER ROSE LN

Fair

Over: CANYON CREEK DITCH 192

7M NE LAUREL, Yellowstone, MT

Built 1985 Load: 32.7 t ADT: 100

ALKALI CREEK RD

Fair

Over: ALKALI CREEK 053

4M NW BILLINGS, Yellowstone, MT

Built 1969 Load: 32.7 t ADT: 989

SHAMROCK DR

Fair

Over: BBWA CANAL 039

BILLINGS-SHAMROCK DR, Yellowstone, MT

Built 2004 Load: 32.7 t ADT: 100

ARLINGTON AVE SW

Fair

Over: CITY COUNTY DRAIN 049

BILLINGS-ARLINGTON AVE, Yellowstone, MT

Built 1995 Load: 32.7 t ADT: 100

MCDOUGALL DR

Fair

Over: CITY COUNTY DRAIN 200

BILLINGS-MCDOUGALL DR, Yellowstone, MT

Built 1995 Load: 32.7 t ADT: 100

VALLEY DR

Fair

Over: HIGH DITCH 112

NW LAUREL-VALLEY DR, Yellowstone, MT

Built 1970 Load: 32.7 t ADT: 931

BROADWATER AVE

Fair

Over: BBWA CANAL

BILLINGS-BROADWATER AVE, Yellowstone, MT

Built 1984 Load: 32.7 t ADT: 8,657

HILLTOP RD

Fair

Over: BBWA CANAL

BILLINGS-HILLTOP RD, Yellowstone, MT

Built 1960 Load: 32.7 t ADT: 8,225

NEIBAUER RD

Fair

Over: BIG DITCH 038

4M NE LAUREL, Yellowstone, MT

Built 1960 Load: 33.6 t ADT: 137

US 310

Fair

Over: RR

1M S LAUREL, Yellowstone, MT

Built 2015 Load: 33.6 t ADT: 6,230

MAILBOX RD

Fair

Over: BBWA CANAL 087

7M NW SHEPHERD, Yellowstone, MT

Built 1967 Load: 34.5 t ADT: 100

CUSTER FRTG RD

Fair

Over: AUTOMATIC CREEK 036

10M SW CUSTER, Yellowstone, MT

Built 1951 Load: 34.5 t ADT: 118

S SHILOH RD

Fair

Over: BBWA CANAL

2M W BILLINGS, Yellowstone, MT

Built 2000 Load: 35.4 t ADT: 12,427

US 310

Fair

Over: RR

1M S LAUREL, Yellowstone, MT

Built 2014 Load: 36.3 t ADT: 12,460

S 16TH RD

Fair

Over: HUNTLEY MAIN CANAL 006

BALLANTINE, Yellowstone, MT

Built 1967 Load: 37.2 t ADT: 1,052

I 90

Fair

Over: BBWA CANAL

3.7M E LAUREL, Yellowstone, MT

Built 1964 Load: 38.1 t ADT: 14,099

I 90

Fair

Over: BBWA CANAL

3.7M E LAUREL, Yellowstone, MT

Built 1964 Load: 38.1 t ADT: 14,099

YARD OFFICE ROAD

Fair

Over: BIG DITCH 110

LAUREL-YARD OFFICE ROAD, Yellowstone, MT

Built 1982 Load: 38.1 t ADT: 100

ARONSON AVE

Fair

Over: BBWA CANAL 203

BILLINGS-ARONSON AVE, Yellowstone, MT

Built 2008 Load: 39.9 t ADT: 10,054

I 90

Fair

Over: HOGAN SLOUGH

BILLINGS, Yellowstone, MT

Built 1959 Load: 40.8 t ADT: 14,785

I 90

Fair

Over: HOGAN SLOUGH

BILLINGS, Yellowstone, MT

Built 1959 Load: 40.8 t ADT: 14,785

NEIBAUER RD

Fair

Over: BBWA CANAL 037

7M NE LAUREL, Yellowstone, MT

Built 1977 Load: 40.8 t ADT: 2,418

WICKS LN

Fair

Over: BBWA CANAL

BILLINGS-WICKS LN, Yellowstone, MT

Built 1988 Load: 40.8 t ADT: 10,325

MULLOWNEY LN

Fair

Over: RR

BILLINGS-MULLOWNEY LN, Yellowstone, MT

Built 2007 Load: 43.5 t ADT: 20,106

GRAND AVE

Fair

Over: BBWA CANAL

BILLINGS-GRAND AVE, Yellowstone, MT

Built 1981 Load: 46.3 t ADT: 14,360

I 90

Fair

Over: CITY COUNTY DRAIN DITCH

BILLINGS, Yellowstone, MT

Built 1966 Load: 99.9 t ADT: 27,814

OLD HWY 312

Fair

Over: BBWA CANAL 167

5M NE BILLINGS, Yellowstone, MT

Built 2005 Load: 99.9 t ADT: 7,499

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

Related

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