State profile · Below national median SD

Wyoming bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Wyoming — drawn straight from the FHWA National Bridge Inventory.

3,181
Public bridges
26.2%
Good condition
5.4%
Poor condition
5.4%
Structurally deficient

Total Bridges

3,181

Public highway bridges in Wyoming

Good Condition

26.2%

833 bridges rated 7-9

-23.8pp vs 50% benchmark

Poor Condition

5.4%

172 bridges rated 0-4

Structurally Deficient

5.4%

172 bridges flagged for repair priority

-1.6pp vs national avg 7.0%

Wyoming vs national bridge condition

Wyoming — Good condition share 26.2%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Wyoming — Structurally deficient share 18.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Wyoming (FHWA NBI)

Wyoming26.186733731530964%50.330084878968876%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Wyoming (FHWA NBI)

Counties (23)

Albany 124 Big Horn 93 Campbell 158 Carbon 207 Converse 147 Crook 176 Fremont 177 Goshen 108 Hot Springs 40 Johnson 204 Laramie 261 Lincoln 131 Natrona 138 Niobrara 34 Park 187 Platte 163 Sheridan 171 Sublette 109 Sweetwater 196 Teton 119 Uinta 134 Washakie 61 Weston 43

Wyoming vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Wyoming on the same metric.

18

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

20

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867
Selected

56

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

16

Idaho

5.51% top marginal rate
Structure
Progressive
Burden @ $100K
$1,742

28

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823

Bridges Needing Most Attention in Wyoming

Six lowest-condition bridges in Wyoming, ranked by composite NBI rating. Each is inspected at least every 24 months.

FIREHOLE LAKE DRIV

Structurally Deficient

Over: THERMAL AREA DRAINAGE

10 +/- MI. SOUTH OF MADIS, Teton, WY

Built 1935 Load: 3.6 t ADT: 1,500

Sb Cnty Rd 175

Structurally Deficient

Over: New Fork River

T30N R110W S22, Sublette, WY

Built 1940 Load: 4.3 t ADT: 11

Cb Cnty Rd 680

Poor

Over: Encampment River

4 Miles N. Of Encampment, Carbon, WY

Built 1915 Load: 4.9 t ADT: 70

BLM Road 4116

Structurally Deficient

Over: Big Sandy River

35 Miles Se Of Boulder, Sublette, WY

Built 1982 Load: 5.4 t ADT: 49

NO DATA ENTERED

Poor

Over: NO DATA ENTERED

NO DATA ENTERED, Lincoln, WY

Built 2013 Load: 5.5 t ADT: 50

Sh Cnty Rd 110

Structurally Deficient

Over: Tongue River

7 Mi Nw Of Sheridan, Sheridan, WY

Built 1903 Load: 5.5 t ADT: 179

All Bridges in Wyoming

WYO 231

Good

Over: Spring Creek

Jct Us 30 - Cokeville, Lincoln, WY

Built 1969 Load: 31.8 t ADT: 1,057

WYO 238

Good

Over: Crow Creek

Auburn - Afton, Lincoln, WY

Built 2019 Load: 31.8 t ADT: 1,372

Na Cnty Rd 319

Good

Over: Casper Canal

Oregon Trail Road, Natrona, WY

Built 1998 Load: 31.8 t ADT: 6

WYO 296

Good

Over: Muddy Creek

Jct US 212 - Jct WYO 120, Park, WY

Built 1970 Load: 31.8 t ADT: 832

Pa Cnty Rd 6WX

Good

Over: Legg Creek

35 Mi Sw Of Cody, Park, WY

Built 2005 Load: 31.8 t ADT: 177

WYO 34

Good

Over: Canal No 3

Bosler Jct - Wheatland, Platte, WY

Built 1983 Load: 31.8 t ADT: 702

FSR 15

Good

Over: NORTH TONGUE RIVER

1.3 MI ON FSR 15, Sheridan, WY

Built 1970 Load: 31.8 t ADT: 176

US 14

Good

Over: Little Tongue River

Burgess Jct - Ranchester, Sheridan, WY

Built 1926 Load: 31.8 t ADT: 767

Sw Cnty Rd 19S

Good

Over: Bitter Creek

T18N R 99W S10, Sweetwater, WY

Built 1980 Load: 31.8 t ADT: 63

US 16

Good

Over: Salt Creek

Newcastle - S Dak Line, Weston, WY

Built 1959 Load: 31.8 t ADT: 1,658

I-25 NBL

Good

Over: North Fork Powder River

Kaycee - Buffalo, Johnson, WY

Built 1971 Load: 32.0 t ADT: 1,573

FDR 17

Good

Over: SHELL CREEK

2.7 MI ON FDR 17, Big Horn, WY

Built 1948 Load: 32.1 t ADT: 45

Butler Spaeth Road

Good

Over: Donkey Creek

Gillette, Butler Spaeth R, Campbell, WY

Built 2007 Load: 32.4 t ADT: 3,832

Cb Cnty Rd 121

Good

Over: Medicine Bow River

12 Mi Nw Of Medicine Bow, Carbon, WY

Built 2018 Load: 32.4 t ADT: 121

Cr Cnty Rd 129

Good

Over: Sand Creek

3.4 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Cr Cnty Rd 129

Good

Over: Sand Creek

3.8 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Cr Cnty Rd 129

Good

Over: Sand Creek

4.0 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Cr Cnty Rd 129

Good

Over: Sand Creek

4.0 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Cr Cnty Rd 129

Good

Over: Sand Creek

4.0 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Cr Cnty Rd 129

Good

Over: Sand Creek

4.0 Mi. S.W Of Beulah, Crook, WY

Built 2017 Load: 32.4 t ADT: 131

Fr Cnty Rd 16

Good

Over: Leclair Canal

Riverview Cutoff, Fremont, WY

Built 1994 Load: 32.4 t ADT: 127

Fr Cnty Rd 209

Good

Over: Little Popo Agie River

Coal Mine Road CN 10-209, Fremont, WY

Built 1995 Load: 32.4 t ADT: 168

Fr Cnty Rd 5

Good

Over: Sweetwater River

3 Mi N Of Jeffrey City, Fremont, WY

Built 2017 Load: 32.4 t ADT: 67

Tnl Hill Rd Realgn

Good

Over: Wyoming Canal

8 miles NW of Midvale, Fremont, WY

Built 2018 Load: 32.4 t ADT: 26

La Cnty Rd 124-2

Good

Over: Unnamed Draw

9 Mi North Of Cheyenne, Laramie, WY

Built 2008 Load: 32.4 t ADT: 474

WYO 238

Good

Over: Stump Creek

Auburn North, Lincoln, WY

Built 2019 Load: 32.4 t ADT: 811

WYO 238

Good

Over: E Channel Salt River

Auburn - Afton, Lincoln, WY

Built 2019 Load: 32.4 t ADT: 1,372

W Pershing Street

Good

Over: Niobrara River

Lusk Streets, Niobrara, WY

Built 1991 Load: 32.4 t ADT: 314

US 85

Good

Over: UPRR

Lusk Streets, Niobrara, WY

Built 2016 Load: 32.4 t ADT: 3,162

Pa Cnty Rd L3B

Good

Over: Deaver Canal

3 Miles N.W. of Garland, Park, WY

Built 2019 Load: 32.4 t ADT: 128

Pl Cnty Rd 204

Good

Over: Laramie River Overflow

9.5 mi west of Wheatland, Platte, WY

Built 2017 Load: 32.4 t ADT: 14

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

US 189

Good

Over: Wildlife Crossing

LaBarge - Big Piney, Sublette, WY

Built 2022 Load: 32.4 t ADT: 814

Sb Cnty Rd 116

Good

Over: Horse Creek

10 Mi west of Daniel Jct., Sublette, WY

Built 2022 Load: 32.4 t ADT: 38

US 26

Good

Over: Wildlife Crossing

Hoback Jct - Jackson, Teton, WY

Built 2022 Load: 32.4 t ADT: 11,439

IRR BIA RTE 5

Good

Over: S FORK LITTLE WIND RIVER

3.2KM WEST OF FT WASHAKIE, Fremont, WY

Built 1965 Load: 32.6 t ADT: 500

IRR BIA RTE 32

Good

Over: CROW CREEK

4.4 KM NE OF CROWHEART, Fremont, WY

Built 2013 Load: 32.6 t ADT: 15

I-80 EBL

Good

Over: Unnamed Draw

Rawlins - Laramie, Albany, WY

Built 1969 Load: 32.7 t ADT: 6,163

I-80 WBL

Good

Over: Unnamed Draw

Rawlins - Laramie, Albany, WY

Built 1969 Load: 32.7 t ADT: 6,368

WYO 230

Good

Over: Fox Creek

Laramie - Colo Line, Albany, WY

Built 1964 Load: 32.7 t ADT: 1,409

WYO 34

Good

Over: North Sybille Creek

Bosler Jct - Jct I-25, Albany, WY

Built 1976 Load: 32.7 t ADT: 1,287

9th Street

Good

Over: Spring Creek

9Th Street-Laramie, Albany, WY

Built 1960 Load: 32.7 t ADT: 1,756

I-80 EBL

Good

Over: Unnamed Draw

Laramie - Cheyenne, Albany, WY

Built 1946 Load: 32.7 t ADT: 6,860

Showing 2,401-2,450 of 3,181 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

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