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

BLM Road 4116

Structurally Deficient

Over: Big Sandy River

35 Miles Se Of Boulder, Sublette, WY

Built 1982 Load: 5.4 t ADT: 49

Sh Cnty Rd 110

Structurally Deficient

Over: Tongue River

7 Mi Nw Of Sheridan, Sheridan, WY

Built 1903 Load: 5.5 t ADT: 179

Ui Cnty Rd 141

Structurally Deficient

Over: Muddy Creek

0.2 Mi N Of Leroy Rd Int, Uinta, WY

Built 1979 Load: 5.9 t ADT: 71

Bh Cnty Rd L32H

Structurally Deficient

Over: Red Gulch

3 Miles W. Of Shell, Big Horn, WY

Built 1950 Load: 6.2 t ADT: 81

Cr Cnty Rd 93

Structurally Deficient

Over: Inyan Kara Creek

T50N R065W S24, Crook, WY

Built 1955 Load: 6.2 t ADT: 40

Sw Cnty Rd 62

Structurally Deficient

Over: Red Creek

T12N R105W S15, Sweetwater, WY

Built 1982 Load: 6.2 t ADT: 109

Co Cnty Rd 41

Structurally Deficient

Over: Dry Fork River

9 Miles North Of Bill, Converse, WY

Built 1972 Load: 8.5 t ADT: 98

Wa Cnty Rd 580A

Structurally Deficient

Over: Big Cottonwood Creek

9 Mi West Of Tensleep, Washakie, WY

Built 1937 Load: 9.2 t ADT: 16

Ui Cnty Rd 222

Structurally Deficient

Over: Uinta Canal No 3

2 Mi. N.W. Of Ft. Bridger, Uinta, WY

Built 1940 Load: 9.5 t ADT: 71

FDR

Structurally Deficient

Over: LITTLE ROCK CREEK

37 MILES NW OF CODY, WY, Park, WY

Built 1976 Load: 10.0 t ADT: 50

Sh Cnty Rd 140

Structurally Deficient

Over: BNSF Railway

Parkman, Sheridan, WY

Built 1916 Load: 10.2 t ADT: 135

Ui Cnty Rd 233

Structurally Deficient

Over: Porter Hollow

15 Mi. N.E. Of Lyman, Uinta, WY

Built 1984 Load: 10.2 t ADT: 41

Jo Cnty Rd 78

Structurally Deficient

Over: Middle Fork Powder River

11 Miles N. Of Barnum, Johnson, WY

Built 1989 Load: 10.8 t ADT: 13

We Cnty Rd 1A

Structurally Deficient

Over: Unnamed Draw

23 Miles Se. Of Newcastle, Weston, WY

Built 1933 Load: 10.9 t ADT: 136

Fr Cnty Rd 298

Structurally Deficient

Over: Wind River

32 Mi. N.W. Of Riverton, Fremont, WY

Built 1925 Load: 11.4 t ADT: 26

Cb Cnty Rd 203

Structurally Deficient

Over: North Platte River

10 Miles Ne. Of Riverside, Carbon, WY

Built 1930 Load: 11.8 t ADT: 97

Cb Cnty Rd 3

Structurally Deficient

Over: Medicine Bow River

8 Mi. Ne Of Elk Mountain, Carbon, WY

Built 1915 Load: 12.4 t ADT: 82

FOREST ROAD 30460

Structurally Deficient

Over: HOBACK RIVER

20 MI. SE. OF JACKSON WY, Teton, WY

Built 1965 Load: 14.9 t ADT: 50

10th Street

Structurally Deficient

Over: Canal No 2

Wheatland, Platte, WY

Built 1930 Load: 15.4 t ADT: 131

Bh Cnty Rd 72

Structurally Deficient

Over: Shoshone River

2 Miles West Of Lovell, Big Horn, WY

Built 1926 Load: 20.2 t ADT: 117

ROAD

Structurally Deficient

Over: DARBY CREEK

NO DATA ENTERED, Teton, WY

Built 1960 Load: 22.0 t ADT: 50

I-25 Service Road

Structurally Deficient

Over: BNSF Railway

Cheyenne - Chugwater, Platte, WY

Built 1935 Load: 23.5 t ADT: 86

Fr Cnty Rd 412

Structurally Deficient

Over: Pilot Canal

3 Miles E. Of Kinnear, Fremont, WY

Built 1970 Load: 24.5 t ADT: 149

GRAND LOOP ROAD

Structurally Deficient

Over: RAVINE

4.5 MI. SOUTH OF MAMMOTH, Park, WY

Built 1977 Load: 27.2 t ADT: 1,807

N Street

Structurally Deficient

Over: Bitter Creek

Rock Springs Streets, Sweetwater, WY

Built 1976 Load: 29.8 t ADT: 925

Pa Cnty Rd 3XQ

Structurally Deficient

Over: Greybull River

23 Miles Ne. Of Meeteetse, Park, WY

Built 1955 Load: 29.9 t ADT: 52

Sw Cnty Rd 51

Structurally Deficient

Over: Sweetwater Creek

County Road 51, Sweetwater, WY

Built 1975 Load: 30.8 t ADT: 2,234

Washakie Avenue

Structurally Deficient

Over: Lower Hanover Canal

Washakie Ave. Worland, Washakie, WY

Built 1970 Load: 31.0 t ADT: 1,490

WYO 450

Structurally Deficient

Over: BNSF Railway

Newcastle - Jct WYO 59, Campbell, WY

Built 1980 Load: 33.6 t ADT: 1,476

Cb Cnty Rd 603

Structurally Deficient

Over: Four Mile Creek

3.5 Mi South Of Baggs, Carbon, WY

Built 1991 Load: 34.5 t ADT: 43

Cb Cnty Rd 402

Structurally Deficient

Over: Rock Creek

Arlington, Carbon, WY

Built 1985 Load: 41.7 t ADT: 52

Showing 3,151-3,181 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.