State profile · Below median Poor share

Wyoming bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Wyoming, based on the FHWA National Bridge Inventory.

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

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 18.0%
National avg

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

Condition Distribution

Wyoming32%61.4%GoodFairPoor
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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Wyoming on the same metric.

IN

Indiana

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

KS

Kansas

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

WY

Wyoming

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

ID

Idaho

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

MS

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

FIREHOLE LAKE DRIV

Poor

Over: THERMAL AREA DRAINAGE

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

Built 1935 Load: 3.6 t ADT: 1,500

Sb Cnty Rd 175

Poor

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

Poor

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

Poor

Over: Tongue River

7 Mi Nw Of Sheridan, Sheridan, WY

Built 1903 Load: 5.5 t ADT: 179

All Bridges in Wyoming

Ln Cnty Rd 114

Good

Over: Jackknife Creek

1.5 Miles N Of Etna, Lincoln, WY

Built 2002 Load: 70.8 t ADT: 404

US 189

Good

Over: S F Cottonwood Creek

Big Pine-Daniel Jct, Sublette, WY

Built 1995 Load: 71.7 t ADT: 1,380

US 189

Good

Over: N Fork Cottonwood Creek

Big Piney-Daniel Jct, Sublette, WY

Built 1995 Load: 71.7 t ADT: 1,380

Wa Cnty Rd 20

Good

Over: Gooseberry Creek

10 Mi.S.W. Of Worland, Washakie, WY

Built 2002 Load: 71.7 t ADT: 9

US 14

Good

Over: Moss Creek

31 Mi. West Of Cody, Park, WY

Built 2000 Load: 73.3 t ADT: 2,487

Al Cnty Rd 510

Good

Over: Little Laramie River

12 Miles NE Of Centennial, Albany, WY

Built 2001 Load: 74.4 t ADT: 34

FDR 863

Good

Over: SAND CREEK DRAINAGE

T 51 N R 61 W SEC 11, Crook, WY

Built 2007 Load: 78.1 t ADT: 50

WYO 430

Good

Over: South Alkali Creek

Rock Springs-Hiawatha, Sweetwater, WY

Built 1952 Load: 97.2 t ADT: 243

MOOSE WILSON ROAD

Good

Over: KAUFMAN CREEK

5.6 MI SW MOOSE JUNCTION, Teton, WY

Built 2023 Load: 99.9 t ADT: 200

Fr Cnty Rd 523

Poor

Over: Twin Creek

15 Mi. S.E. Of Lander, Fremont, WY

Built 1932 ADT: 8

FOREST ROAD 30980

Poor

Over: MOSQUITO CREEK

8 MI. SW. OF JACKSON WY, Teton, WY

Built 1956 ADT: 50

Wa Cnty Rd 580

Poor

Over: East Fork Sand Creek

8 Mi+East Of Worland, Washakie, WY

Built 1935 ADT: 4

We Cnty Rd 1A

Poor

Over: Beaver Creek

23 Miles Se Of Newcastle, Weston, WY

Built 1933 ADT: 136

FIREHOLE LAKE DRIV

Poor

Over: THERMAL AREA DRAINAGE

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

Built 1935 Load: 3.6 t ADT: 1,500

Sb Cnty Rd 175

Poor

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

Poor

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

Poor

Over: Tongue River

7 Mi Nw Of Sheridan, Sheridan, WY

Built 1903 Load: 5.5 t ADT: 179

Cb Cnty Rd 3

Poor

Over: Third Sand Creek

11 Mi. Ne Of Elk Mountain, Carbon, WY

Built 1965 Load: 5.9 t ADT: 82

Ui Cnty Rd 141

Poor

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

Poor

Over: Red Gulch

3 Miles W. Of Shell, Big Horn, WY

Built 1950 Load: 6.2 t ADT: 81

Cr Cnty Rd 93

Poor

Over: Inyan Kara Creek

T50N R065W S24, Crook, WY

Built 1955 Load: 6.2 t ADT: 40

Sw Cnty Rd 62

Poor

Over: Red Creek

T12N R105W S15, Sweetwater, WY

Built 1982 Load: 6.2 t ADT: 109

FOUNTAIN FREIGHT R

Poor

Over: FIREHOLE RIVER

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

Built 1925 Load: 6.3 t ADT: 10

Na Cnty Rd 412

Poor

Over: Hogback Draw

3 Miles Northeast Alcova, Natrona, WY

Built 1929 Load: 6.5 t ADT: 87

Cb Cnty Rd 109

Poor

Over: Mill Creek

3 Mi Nw Of Elk Mountain, Carbon, WY

Built 1940 Load: 6.9 t ADT: 2

Texas Trail

Poor

Over: North Platte River

Saratoga, Carbon, WY

Built 1929 Load: 7.2 t ADT: 59

Ui Cnty Rd 171

Poor

Over: West Muddy Creek

5 Mi. S.W. Of Piedmont, Uinta, WY

Built 1975 Load: 7.2 t ADT: 264

Co Cnty Rd 41

Poor

Over: Dry Fork River

9 Miles North Of Bill, Converse, WY

Built 1972 Load: 8.5 t ADT: 98

US 30 Service Road

Poor

Over: Smiths Fork River

Cokeville, Lincoln, WY

Built 1908 Load: 9.1 t ADT: 26

Wa Cnty Rd 580A

Poor

Over: Big Cottonwood Creek

9 Mi West Of Tensleep, Washakie, WY

Built 1937 Load: 9.2 t ADT: 16

Ui Cnty Rd 222

Poor

Over: Uinta Canal No 3

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

Built 1940 Load: 9.5 t ADT: 71

Fr Cnty Rd 442

Poor

Over: Middle Fork Popo Agie

5 Mi Sw Of Lander, Fremont, WY

Built 1950 Load: 10.0 t ADT: 77

FDR

Poor

Over: LITTLE ROCK CREEK

37 MILES NW OF CODY, WY, Park, WY

Built 1976 Load: 10.0 t ADT: 50

Jo Cnty Rd 14

Poor

Over: N F Crazy Woman Creek

13 Mi. S.W. Of Buffalo, Johnson, WY

Built 1997 Load: 10.2 t ADT: 53

Sh Cnty Rd 140

Poor

Over: BNSF Railway

Parkman, Sheridan, WY

Built 1916 Load: 10.2 t ADT: 135

Ui Cnty Rd 233

Poor

Over: Porter Hollow

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

Built 1984 Load: 10.2 t ADT: 41

Cb Cnty Rd 608

Poor

Over: Cow Creek

18 Miles N. Of Baggs, Carbon, WY

Built 1950 Load: 10.8 t ADT: 66

Jo Cnty Rd 78

Poor

Over: Middle Fork Powder River

11 Miles N. Of Barnum, Johnson, WY

Built 1989 Load: 10.8 t ADT: 13

We Cnty Rd 1A

Poor

Over: Unnamed Draw

23 Miles Se. Of Newcastle, Weston, WY

Built 1933 Load: 10.9 t ADT: 136

FOREST ROAD 10099

Poor

Over: NEW FK. LK. SPILLWAY

NO DATA ENTERED, Sublette, WY

Built 1958 Load: 11.3 t ADT: 50

Fr Cnty Rd 298

Poor

Over: Wind River

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

Built 1925 Load: 11.4 t ADT: 26

Ui Cnty Rd 181

Poor

Over: Albert Creek

10 Mi. E. Of Evanston, Uinta, WY

Built 1950 Load: 11.4 t ADT: 63

Cb Cnty Rd 203

Poor

Over: North Platte River

10 Miles Ne. Of Riverside, Carbon, WY

Built 1930 Load: 11.8 t ADT: 97

Na Cnty Rd 102

Poor

Over: Badwater Creek

20 Miles N.W. Of Arminto, Natrona, WY

Built 1940 Load: 11.8 t ADT: 22

Cb Cnty Rd 3

Poor

Over: Medicine Bow River

8 Mi. Ne Of Elk Mountain, Carbon, WY

Built 1915 Load: 12.4 t ADT: 82

La Cnty Rd 120-1

Poor

Over: Crow Creek

2 Mi West Of Cheyenne, Laramie, WY

Built 1955 Load: 12.4 t ADT: 381

WYO 233

Poor

Over: Hams Fork River

Kemmerer - North, Lincoln, WY

Built 1952 Load: 13.4 t ADT: 443

La Cnty Rd 210-2

Poor

Over: UPRR

T14N R065W S29, Laramie, WY

Built 1934 Load: 13.7 t ADT: 638

Showing 3,001-3,050 of 3,181 bridges

Related

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

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

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.