State profile · Near median Poor share

Wyoming bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Wyoming.

3,136
Public bridges
30.1%
Good condition
6.5%
Poor condition

Wyoming holds 3,136 public highway bridges (#41 of 52 by inventory) with a 6.51% Poor share (#24 of 52 by Poor share).

That is 6.5% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 29 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

3,136

Public highway bridges in Wyoming

Good Condition

30.1%

943 bridges rated 7-9

-19.9pp vs 50% benchmark

Poor Condition

6.5%

204 bridges whose lowest applicable component is rated 0-4

-1.0pp vs national avg 7.5%

Wyoming vs national bridge condition

Wyoming - Good condition share 30.1%
National avg

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

Wyoming - Poor-condition share 21.7%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

Wyoming in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: Wyoming has 3,136 bridges and a 6.5% Poor-condition share in the 2024 NBI, rank #29 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%
Inventory size and Poor-condition share are different measures: Wyoming has 3,136 bridges and a 6.5% Poor-condition share in the 2024 NBI, rank #29 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

Wyoming vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

3,136 41st of 54 higher than 13 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for Wyoming

The highlighted point is Wyoming: 3,136 bridges and 6.51% in Poor condition, rank #29 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Wyoming on that same Poor-share ordering:

  • Mississippi: 16,739 bridges · 6.03% Poor
  • South Carolina: 9,490 bridges · 6.17% Poor
  • Wyoming: 3,136 bridges · 6.51% Poor
  • Wisconsin: 14,446 bridges · 6.52% Poor
  • Hawaii: 1,195 bridges · 6.53% Poor

The full national sortable table lives on the rankings page.

Material families in Wyoming

Exclusive FHWA material families across all 3,136 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains Wyoming’s inventory

State agency holds 62.9% of the 3,136 public highway bridges filed under Wyoming in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When Wyoming’s bridges were built

Pre-1950 construction accounts for 5.2% of the 3,136 bridges with a recorded original year in Wyoming. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

Wyoming30.1%63.4%GoodFairPoor
Bridge inventory deck-condition mix - Wyoming (FHWA NBI)

Counties (23)

Albany 124 Big Horn 91 Campbell 152 Carbon 206 Converse 137 Crook 176 Fremont 177 Goshen 106 Hot Springs 39 Johnson 204 Laramie 254 Lincoln 129 Natrona 135 Niobrara 34 Park 187 Platte 160 Sheridan 170 Sublette 109 Sweetwater 191 Teton 119 Uinta 132 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.

MS

Mississippi

6.03% top marginal rate
Structure
Progressive
Burden @ $100K
$16,739

SC

South Carolina

6.17% top marginal rate
Structure
Progressive
Burden @ $100K
$9,490
Selected

WY

Wyoming

6.51% top marginal rate
Structure
Progressive
Burden @ $100K
$3,136

WI

Wisconsin

6.52% top marginal rate
Structure
Progressive
Burden @ $100K
$14,446

HI

Hawaii

6.53% top marginal rate
Structure
Progressive
Burden @ $100K
$1,195

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.

We Cnty Rd 1A

Poor

Over: Beaver Creek

23 Miles Se Of Newcastle, Weston, WY

Built 1933 Load: 0.0 t ADT: 136

Wa Cnty Rd 580

Poor

Over: East Fork Sand Creek

8 Mi+East Of Worland, Washakie, WY

Built 1935 Load: 0.0 t ADT: 4

Fr Cnty Rd 523

Poor

Over: Twin Creek

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

Built 1932 Load: 0.0 t ADT: 8

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

All Bridges in Wyoming

WYO 116 S

Good

Over: Lodgepole Creek

Upton - Jct WYO 450, Weston, WY

Built 1979 Load: 38.1 t ADT: 203

WYO 230

Good

Over: Encampment River

Saratoga - Colo Line, Carbon, WY

Built 1979 Load: 38.1 t ADT: 642

WYO 154

Good

Over: Cherry Creek

Yoder-Torrington, Goshen, WY

Built 1986 Load: 38.1 t ADT: 164

Cl Cnty Rd 38N

Good

Over: I-90

Gillette Marginal, Campbell, WY

Built 1990 Load: 38.1 t ADT: 7,569

Te Cnty Rd 3

Good

Over: Fish Creek

Wilson Square Road, Teton, WY

Built 1995 Load: 38.1 t ADT: 1,015

Sh Cnty Rd 71

Good

Over: Tongue River

3 Mi Sw Of Ranchester, Sheridan, WY

Built 2008 Load: 38.1 t ADT: 54

Cb Cnty Rd 1

Good

Over: Rock Creek

1 Mi W Of Mcfadden, Carbon, WY

Built 2012 Load: 38.1 t ADT: 82

3308: COW BUTTE R

Good

Over: Canary Grove

30 mi SW of Rawlins WY, Carbon, WY

Built 2019 Load: 38.2 t ADT: 25

FOREST ROAD 370743

Good

Over: SURVEYOR CREEK

T34N R108W S5, Sublette, WY

Built 2019 Load: 38.2 t ADT: 50

WYO 319

Good

Over: Dry Wash

Glendo - Orin Jct, Platte, WY

Built 1936 Load: 38.2 t ADT: 412

IRR BIA RTE 11

Good

Over: POPO AGIE RIVER

5.0 KM EAST OF MILFORD, Fremont, WY

Built 1992 Load: 38.6 t ADT: 90

FDR

Good

Over: S. FK. WM. SPRINGS CREEK

NO DATA ENTERED, Fremont, WY

Built 1983 Load: 38.6 t ADT: 50

I-80 WBL

Good

Over: US 287 (East Cedar St)

Rawlins Marginal, Carbon, WY

Built 2010 Load: 38.7 t ADT: 6,522

US 191

Good

Over: Wildlife Crossing

Pinedale Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,352

US 191

Good

Over: Wildlife Crossing

Pinedale Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,352

US 191

Good

Over: Wildlife Crossing

Pinedale - Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,352

US 191

Good

Over: Wildlife Crossing

Pinedale-Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,948

US 191

Good

Over: Wildlife Crossing

Pinedale-Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,948

US 191

Good

Over: Wildlife Crossing

Pinedale- Hoback Jct, Sublette, WY

Built 2011 Load: 38.9 t ADT: 2,924

Cr Cnty Rd 264

Good

Over: Hay Creek

6 Mi E Of Aladdin, Crook, WY

Built 2015 Load: 38.9 t ADT: 95

I-80 WBL

Good

Over: Muddy Creek

Cheyenne - Nebraska Line, Laramie, WY

Built 2015 Load: 38.9 t ADT: 4,387

WYO 433

Good

Over: Big Horn Canal

Worland - Manderson, Washakie, WY

Built 2023 Load: 38.9 t ADT: 1,383

I-90 WBL

Good

Over: US 16

Buffalo Marginal, Johnson, WY

Built 1959 Load: 39.0 t ADT: 2,077

I-90 EBL

Good

Over: Houston Creek

Moorcroft - Sundance, Crook, WY

Built 1961 Load: 39.0 t ADT: 2,063

I-90 WBL

Good

Over: Houston Creek

Moorcroft - Sundance, Crook, WY

Built 1961 Load: 39.0 t ADT: 1,833

Mickel Drive

Good

Over: Big Wind River

T41N R107W S01, Fremont, WY

Built 1988 Load: 39.0 t ADT: 136

Jo Cnty Rd 195

Good

Over: Crazy Woman Creek

30 Miles N.E. Of Buffalo, Johnson, WY

Built 1987 Load: 39.0 t ADT: 97

US 14

Good

Over: Machinery Pass

5 Mi N Of Gillette, Campbell, WY

Built 2009 Load: 39.0 t ADT: 2,556

Al Cnty Rd 727

Good

Over: Laramie River

25 Mi Ne Of Bosler, Albany, WY

Built 2011 Load: 39.0 t ADT: 128

ROAD 40075

Good

Over: GILBERT CREEK

NO DATA ENTERED, Uinta, WY

Built 1982 Load: 39.2 t ADT: 50

WYO 59

Good

Over: White Tail Creek

Gillette - Montana Line, Campbell, WY

Built 2015 Load: 39.2 t ADT: 994

WYO 116 N

Good

Over: Inyan Kara Creek

Sundance Upton, Crook, WY

Built 2014 Load: 39.2 t ADT: 317

Go Cnty Rd 47A

Good

Over: Horse Creek

3 Miles W. Of Huntley, Goshen, WY

Built 2019 Load: 39.2 t ADT: 23

Cb Cnty Rd 561S

Good

Over: Savery Creek

0.5 Mi S.E. Of Savery, Carbon, WY

Built 2019 Load: 39.2 t ADT: 42

WYO 351

Good

Over: Green River

Big Piney Cutoff, Sublette, WY

Built 2017 Load: 39.5 t ADT: 899

Bh Cnty Rd R5B

Good

Over: Coon Creek

T56N R97W S34, Big Horn, WY

Built 1994 Load: 39.6 t ADT: 144

US 14

Good

Over: Little Rawhide Creek

6 Mi N Of Gillette, Campbell, WY

Built 2009 Load: 39.7 t ADT: 2,556

I-90/US 14/87 Bus

Good

Over: Big Goose Creek

Sheridan N Main Street, Sheridan, WY

Built 1987 Load: 39.8 t ADT: 6,416

BEARTOOTH HIGHWAY

Good

Over: BEARTOOTH CREEK

26.7 MI. EAST OF NE ENTRA, Park, WY

Built 2011 Load: 39.9 t ADT: 1,175

WYO 210

Good

Over: I-80

Laramie - Cheyenne, Albany, WY

Built 1966 Load: 39.9 t ADT: 965

WYO 132

Good

Over: Little Wind River

Ethete-Kinnear, Fremont, WY

Built 1990 Load: 39.9 t ADT: 1,005

Cr Cnty Rd 200

Good

Over: Little Missouri River

T55N R67W S4, Crook, WY

Built 1994 Load: 39.9 t ADT: 51

Sw Cnty Rd 108

Good

Over: Eden Canal

9 Mi Ne Of Farson, Sweetwater, WY

Built 2001 Load: 39.9 t ADT: 548

I-25 NBL

Good

Over: Cherokee Trail

Douglas - Casper, Converse, WY

Built 2015 Load: 39.9 t ADT: 4,664

I-25 SBL

Good

Over: WYO 96

Douglas - Casper, Converse, WY

Built 1958 Load: 40.2 t ADT: 5,429

I-90/US 14/87 Bus

Good

Over: I-90

Sheridan N Main Street, Sheridan, WY

Built 2017 Load: 40.2 t ADT: 6,514

SWEETWATER BRIDGE

Good

Over: SWEETWATER RIVER

28 mi SE of Lander WY, Fremont, WY

Built 2018 Load: 40.5 t ADT: 100

Pa Cnty Rd L10HB

Good

Over: Roan Wash

4 Miles S.E. Of Garland, Park, WY

Built 1989 Load: 40.5 t ADT: 128

US 26

Good

Over: Black Rock Creek

Moran Jct - Dubois, Teton, WY

Built 2011 Load: 40.5 t ADT: 1,612

US 89

Good

Over: Wildlife Crossing

Hoback Jct - Jackson, Teton, WY

Built 2017 Load: 40.5 t ADT: 11,154

Showing 2,651-2,700 of 3,136 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.

What to do with this

Use Wyoming's inventory picture to drill to a county or a specific span.

  • Browse counties in Wyoming and open the highest-Poor shares first. County list
  • See where this state sits among peers on Poor-condition share. State rankings
  • Compare this state with another jurisdiction on the same measures. State compare

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Wyoming Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.