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

US 14

Good

Over: S Fork Sundance Creek

Sundance, Crook, WY

Built 1954 Load: 32.7 t ADT: 2,260

WYO 585

Good

Over: Silver Creek

Four Corners-Sundance Rd, Crook, WY

Built 1990 Load: 32.7 t ADT: 1,218

WYO 585

Good

Over: Inyan Kara Creek

Four Corners-Sundanced Rd, Crook, WY

Built 1990 Load: 32.7 t ADT: 903

WYO 111

Good

Over: Unnamed Draw

Aladdin South, Crook, WY

Built 1960 Load: 32.7 t ADT: 658

WYO 111

Good

Over: Unnamed Draw

Aladdin South, Crook, WY

Built 1960 Load: 32.7 t ADT: 658

US 14

Good

Over: Lone Tree Creek

Moorcroft-Carlile, Crook, WY

Built 1970 Load: 32.7 t ADT: 1,041

WYO 24

Good

Over: Red Canyon Creek

Hulett-Aladdin, Crook, WY

Built 1994 Load: 32.7 t ADT: 1,049

537

Good

Over: WIND RIVER

20 MILES WEST OF DUBOIS,, Fremont, WY

Built 2008 Load: 32.7 t ADT: 50

US 287

Good

Over: Baldwin Creek

Lander - Diversion Dam Jt, Fremont, WY

Built 1961 Load: 32.7 t ADT: 9,923

US 287

Good

Over: Trout Creek

Lander - Diversion Dam Jt, Fremont, WY

Built 1962 Load: 32.7 t ADT: 4,317

WYO 789

Good

Over: Sweaney Draw

Lander - Riverton, Fremont, WY

Built 1976 Load: 32.7 t ADT: 4,747

US 287

Good

Over: Unnamed Draw

Muddy Gap - Lander, Fremont, WY

Built 1985 Load: 32.7 t ADT: 546

US 26

Good

Over: Indian Creek

Dubois-Diversion Dam Jct., Fremont, WY

Built 1986 Load: 32.7 t ADT: 1,554

US 26

Good

Over: Dinwoody Canal

Dubois-Diversion Dam Jct., Fremont, WY

Built 1988 Load: 32.7 t ADT: 1,554

US 26

Good

Over: Madden Draw

Riverton-Shoshoni, Fremont, WY

Built 1989 Load: 32.7 t ADT: 7,680

Fr Cnty Rd 404

Good

Over: Poison Creek

T38N R094W Sec 27, Fremont, WY

Built 1987 Load: 32.7 t ADT: 105

WYO 134

Good

Over: Sand Gulch

Jct US 26 - Jct WYO 133, Fremont, WY

Built 1993 Load: 32.7 t ADT: 857

WYO 136

Good

Over: Conant Creek

Riverton-Gas Hills, Fremont, WY

Built 1992 Load: 32.7 t ADT: 51

Fr Cnty Rd 54

Good

Over: Leclair Canal

Co Rd 54, Fremont, WY

Built 1994 Load: 32.7 t ADT: 764

US 287

Good

Over: Obrian Creek

Muddy Gap-Lander, Fremont, WY

Built 1994 Load: 32.7 t ADT: 1,283

WYO 28

Good

Over: Johnnie Lee Spring

Farson-Lander, Fremont, WY

Built 1994 Load: 32.7 t ADT: 1,751

Fr Cnty Rd 335

Good

Over: Coolidge Canal

2.5 Mi. S.W. Of Ethete, Fremont, WY

Built 1999 Load: 32.7 t ADT: 3,790

Fr Cnty Rd 431

Good

Over: Five Mile Creek

3 Mi East Of Midvale, Fremont, WY

Built 2005 Load: 32.7 t ADT: 34

Fr Cnty Rd 431

Good

Over: Muddy Creek

5 Miles E. Of Pavillion, Fremont, WY

Built 2005 Load: 32.7 t ADT: 34

US 26

Good

Over: Brooks Lake Creek

Moran Jct-Dubois, Fremont, WY

Built 2006 Load: 32.7 t ADT: 1,612

Fr Cnty Rd 430

Good

Over: Five Mile Creek

6 Mi W Of Shoshoni, Fremont, WY

Built 2008 Load: 32.7 t ADT: 168

US 26

Good

Over: Brown Draw

Riverton - Shoshoni, Fremont, WY

Built 2011 Load: 32.7 t ADT: 5,796

Fr Cnty Rd 64

Good

Over: Riverton Canal No 2

Riverton, Fremont, WY

Built 2017 Load: 32.7 t ADT: 695

US 85

Good

Over: Unnamed Draw

Lingle - Lusk, Goshen, WY

Built 1968 Load: 32.7 t ADT: 1,306

WYO 161

Good

Over: Horse Creek

Jct Us 85 - Huntley, Goshen, WY

Built 1962 Load: 32.7 t ADT: 428

WYO 161

Good

Over: Horse Creek

Jct Us 85 - Huntley, Goshen, WY

Built 1962 Load: 32.7 t ADT: 428

WYO 161

Good

Over: East Springer Lateral

Jct Us 85 - Huntley, Goshen, WY

Built 1962 Load: 32.7 t ADT: 428

Go Cnty Rd 47A

Good

Over: Springer Main Lateral

6 Mi. N.E. Of Yoder, Goshen, WY

Built 1965 Load: 32.7 t ADT: 68

Go Cnty Rd 44B

Good

Over: Horse Creek

6 Mi. N. Of Hawk Springs, Goshen, WY

Built 1960 Load: 32.7 t ADT: 68

Go Cnty Rd 32C

Good

Over: Horse Creek

0.5 Mi. E. Of Hawk Spring, Goshen, WY

Built 1965 Load: 32.7 t ADT: 168

Go Cnty Rd 10

Good

Over: Bear Creek

12 Miles W. Of Lagrange, Goshen, WY

Built 1955 Load: 32.7 t ADT: 9

Go Cnty Rd 42C

Good

Over: Horse Creek

Goshen County, Goshen, WY

Built 2010 Load: 32.7 t ADT: 10

WYO 171

Good

Over: Spring Gulch

Jct WYO 120 - Grass Creek, Hot Springs, WY

Built 1950 Load: 32.7 t ADT: 86

US 20

Good

Over: Unnamed Draw

Shoshoni-Thermopolis, Hot Springs, WY

Built 1977 Load: 32.7 t ADT: 5,794

WYO 120

Good

Over: Unnamed Draw

Thermopolis-Meeteetse, Hot Springs, WY

Built 1993 Load: 32.7 t ADT: 1,423

WYO 172

Good

Over: Kirby Ditch

Lucerne - East, Hot Springs, WY

Built 1953 Load: 32.7 t ADT: 218

I-25 NBL and SBL

Good

Over: Clear Creek

Buffalo Marginal, Johnson, WY

Built 1963 Load: 32.7 t ADT: 1,876

US 16

Good

Over: French Creek

Buffalo, Johnson, WY

Built 1963 Load: 32.7 t ADT: 2,930

Jo Cnty Rd 265

Good

Over: Unnamed Draw

18.5 Miles S. Of Buffalo, Johnson, WY

Built 1960 Load: 32.7 t ADT: 34

WYO 196

Good

Over: Beaver Creek

T46W R082N S02, Johnson, WY

Built 1989 Load: 32.7 t ADT: 48

WYO 196

Good

Over: M Fork Crazy Woman Creek

Kaycee-Buffalo, Johnson, WY

Built 1989 Load: 32.7 t ADT: 48

WYO 193

Good

Over: Little Piney Creek

Sheridan-Buffalo, Johnson, WY

Built 1947 Load: 32.7 t ADT: 599

WYO 196

Good

Over: Antelope Creek

Kaycee-Buffalo, Johnson, WY

Built 1967 Load: 32.7 t ADT: 309

I-25 NBL

Good

Over: Antelope Creek

Kaycee - Buffalo, Johnson, WY

Built 1967 Load: 32.7 t ADT: 1,573

I-25 SBL

Good

Over: Antelope Creek

Kaycee - Buffalo, Johnson, WY

Built 1967 Load: 32.7 t ADT: 1,472

Showing 2,501-2,550 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.