Laramie County, WY

261 public highway bridges

Laramie County Bridge Snapshot

Laramie County, Wyoming contains 261 public highway bridges in the FHWA National Bridge Inventory. Roughly 18% are rated “Good,” 43.3% “Fair,” 4.6% “Poor,” and 4.6% 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 WY 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.

261

Total Bridges

18%

Good

4.6%

Poor

4.6%

Structurally Deficient

Condition Distribution

Good

18% (47)

Fair

43.3% (113)

Poor

4.6% (12)

SD

4.6% (12)

All Bridges (261)

Sort:

I-80 EBL

Over: CR 154-1/Egbert South Rd

Cheyenne - Nebraska Line, Laramie, WY

Built 1965 ADT: 295

I-80 WBL

Over: CR 154-1/Egbert South Rd

Cheyenne - Nebraska Line, Laramie, WY

Built 1965 ADT: 295

I-80 EBL

Over: La CR 159-2 (Suchomel)

Cheyenne - Nebraska Line, Laramie, WY

Built 1965 ADT: 75

I-80 WBL

Over: La CR 159-2 (Suchomel)

Cheyenne - Nebraska Line, Laramie, WY

Built 1965 ADT: 75

I-80 EBL

Over: I-80 Service Road

Cheyenne - Nebraska Line, Laramie, WY

Built 1967 ADT: 295

I-80 WBL

Over: I-80 Service Road

Cheyenne - Nebraska Line, Laramie, WY

Built 1967 ADT: 295

BNSF Railway

Over: Missile Drive

Missile Drive Cheyenne, Laramie, WY

Built 1959 ADT: 4,490

I-80 WBL

Over: Morrie Avenue

Cheyenne Marginal, Laramie, WY

Built 1973 ADT: 6,032

US 30

Over: I-80

Cheyenne - Nebraska Line, Laramie, WY

Built 1976 ADT: 6,393

BNSF Railway

Over: Old Happy Jack Road

Happy Jack Rd - Cheyenne, Laramie, WY

Built 1911 ADT: 1,275

BNSF Railway

Over: US 30

Cheyenne, Laramie, WY

Built 1911 ADT: 8,481

WYO 211

Over: I-25

Cheyenne Marginal, Laramie, WY

Built 1961 ADT: 6,429

I-80 EBL

Over: Burlington Trail Road

Cheyenne Marginal, Laramie, WY

Built 1976 ADT: 410

I-80 WBL

Over: Burlington Trail Road

Cheyenne Marginal, Laramie, WY

Built 1976 ADT: 410

I-80 EBL

Over: Campstool Road

Cheyenne Marginal, Laramie, WY

Built 1977 ADT: 1,930

I-80 WBL

Over: Campstool Road

Cheyenne Marginal, Laramie, WY

Built 1977 ADT: 6,755

WYO 212

Over: I-80

Cheyenne Marginal, Laramie, WY

Built 1977 ADT: 10,598

WYO 212

Over: UPRR / Campstool Rd

College Drive Cheyenne, Laramie, WY

Built 1977 ADT: 2,263

I-25 NBL

Over: CR 123-2/Little Bear Rd

Cheyenne - Chugwater, Laramie, WY

Built 1977 ADT: 295

I-25 SBL

Over: La CR 244-1 (Gillapsie)

Cheyenne - Chugwater, Laramie, WY

Built 1977 ADT: 295

I-180 NBL and SBL

Over: Deming Drive

Cheyenne, Central Ave, Laramie, WY

Built 1980 ADT: 2,385

Union Pacific RR

Over: Ames Avenue

T13N R066W S06, Laramie, WY

Built 1950 ADT: 7,502

Union Pacific RR

Over: Ames Avenue

T13N R066W S06, Laramie, WY

Built 1950 ADT: 7,502

Central Avenue

Over: I-25

Cheyenne Marginal, Laramie, WY

Built 1984 ADT: 8,596

WYO 215

Over: UPRR / US 30

Pine Bluffs - Albin, Laramie, WY

Built 1986 ADT: 295

La Cnty Rd 926

Over: I-25

Cheyenne Marginal, Laramie, WY

Built 1995 ADT: 10,460

I-25 NBL

Over: Randall Avenue

Cheyenne Marginal, Laramie, WY

Built 2009 ADT: 3,344

I-25 SBL

Over: Randall Avenue

Cheyenne Marginal, Laramie, WY

Built 2009 ADT: 3,344

La Cnty Rd 927

Over: I-25

Colorado Line - Cheyenne, Laramie, WY

Built 2010 ADT: 9,466

Union Pacific RR

Over: La CR 103-2 (Remount)

3 Mi W Of Harriman, Laramie, WY

Built 1930 ADT: 128

I-80 EBL

Over: Muddy Creek

Cheyenne - Nebraska Line, Laramie, WY

Built 2017 ADT: 79

I-80 WBL

Over: Muddy Creek

Cheyenne - Nebraska Line, Laramie, WY

Built 2015 ADT: 79

I-80 EBL

Over: Parsons Street

Cheyenne - Nebraska Line, Laramie, WY

Built 2017 ADT: 2,255

I-80 WBL

Over: Parsons Street

Cheyenne - Nebraska Line, Laramie, WY

Built 2015 ADT: 1,945

I-80 EBL

Over: La CR 164-1 (Beech St)

Cheyenne - Nebraska Line, Laramie, WY

Built 2016 ADT: 295

I-80 WBL

Over: La CR 164-1 (Beech St)

Cheyenne - Nebraska Line, Laramie, WY

Built 2015 ADT: 295

I-80 EBL

Over: WYO 217 (Hillsdale Int)

Cheyenne - Nebraska Line, Laramie, WY

Built 2021 ADT: 355

I-80 WBL

Over: WYO 217 (Hillsdale Int)

Cheyenne - Nebraska Line, Laramie, WY

Built 2020 ADT: 295

Parsley Blvd

Over: I-80

Cheyenne Marginal, Laramie, WY

Built 2022 ADT: 10,016

La Cnty Rd 236-1

Over: Little Horse Creek

T18N R062W S17, Laramie, WY

Built 1920 Load: 18.3 t ADT: 28

Ames Avenue

Over: Unnamed Draw

T13N R066W S06, Laramie, WY

Built 1935 Load: 20.2 t ADT: 7,502

La Cnty Rd 143-2

Over: Lodgepole Creek

2 Miles N. Of Hillsdale, Laramie, WY

Built 1958 Load: 21.9 t ADT: 278

I-25 Service Road

Over: Cantel Draw

Cheyenne - Chugwater, Laramie, WY

Built 1954 Load: 22.5 t ADT: 34

I-25 Service Road

Over: Middle Fork Bear Creek

Cheyenne - Chugwater, Laramie, WY

Built 1954 Load: 23.2 t ADT: 34

La Cnty Rd 203-1

Over: Crow Creek

0.5 Mi.Es W. Of Carpenter, Laramie, WY

Built 1972 Load: 24.9 t ADT: 831

I-25 NBL

Over: Machinery Pass

Cheyenne - Chugwater, Laramie, WY

Built 1970 Load: 26.1 t ADT: 3,271

I-25 SBL

Over: Machinery Pass

Cheyenne - Chugwater, Laramie, WY

Built 1970 Load: 26.1 t ADT: 3,277

I-25 Service Road

Over: South Fork Bear Creek

Cheyenne - Chugwater, Laramie, WY

Built 1954 Load: 26.1 t ADT: 34

I-25 Service Road

Over: North Fork Bear Creek

Cheyenne - Chugwater, Laramie, WY

Built 1954 Load: 26.1 t ADT: 34

MISSILE DRIVE

Over: CROW CREEK

0.17 miles west of Gate 2, Laramie, WY

Built 2015 Load: 26.3 t ADT: 5

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026