Total Bridges
3,181
Public highway bridges in Wyoming
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
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
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
KS
Kansas
5.25% top marginal rate
WY
Wyoming
5.41% top marginal rate
ID
Idaho
5.51% top marginal rate
MS
Mississippi
5.92% top marginal rate
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
PoorOver: THERMAL AREA DRAINAGE
10 +/- MI. SOUTH OF MADIS, Teton, WY
Built 1935 Load: 3.6 t ADT: 1,500
Sb Cnty Rd 175
PoorOver: New Fork River
T30N R110W S22, Sublette, WY
Built 1940 Load: 4.3 t ADT: 11
Cb Cnty Rd 680
PoorOver: Encampment River
4 Miles N. Of Encampment, Carbon, WY
Built 1915 Load: 4.9 t ADT: 70
BLM Road 4116
PoorOver: Big Sandy River
35 Miles Se Of Boulder, Sublette, WY
Built 1982 Load: 5.4 t ADT: 49
NO DATA ENTERED
PoorOver: NO DATA ENTERED
NO DATA ENTERED, Lincoln, WY
Built 2013 Load: 5.5 t ADT: 50
Sh Cnty Rd 110
PoorOver: Tongue River
7 Mi Nw Of Sheridan, Sheridan, WY
Built 1903 Load: 5.5 t ADT: 179
All Bridges in Wyoming
Sh Cnty Rd 131
FairOver: Prairie Dog Creek
10 Mi Se Of Sheridan, Sheridan, WY
Built 1990 Load: 34.5 t ADT: 157
US 189
FairOver: North Fork Green River
Kemmerer - Daniel Jct, Sublette, WY
Built 1981 Load: 34.5 t ADT: 1,380
Sb Cnty Rd 222
FairOver: Green River
1 Mile N. Labarge, Sublette, WY
Built 1991 Load: 34.5 t ADT: 49
US 191
FairOver: Duck Creek
Pinedale-Daniel Jct, Sublette, WY
Built 1993 Load: 34.5 t ADT: 2,924
US 191
FairOver: Barber Creek
Pinedale-Daniel Jct, Sublette, WY
Built 1993 Load: 34.5 t ADT: 5,193
OLD FAITHFUL INTER
FairOver: GRAND LOOP ROAD
17.5 MI. NW OF WEST THUMB, Teton, WY
Built 1969 Load: 34.5 t ADT: 3,852
US 189
FairOver: Albert Creek
Lazeart Jct-Kemmerer, Uinta, WY
Built 1987 Load: 34.5 t ADT: 1,134
US 16
FairOver: Slick Creek
Worland-Manderson Road, Washakie, WY
Built 1985 Load: 34.5 t ADT: 2,132
Wa Cnty Rd 82
FairOver: Little Canyon Creek
19.5 Mi. S Of Tensleep, Washakie, WY
Built 1990 Load: 34.5 t ADT: 59
WYO 433
FairOver: Big Horn Canal
Worland Streets, Washakie, WY
Built 2006 Load: 34.5 t ADT: 2,857
US 85
FairOver: BNSF Railway
Mule Cr Jct - Newcastle, Weston, WY
Built 1963 Load: 34.5 t ADT: 2,041
US 16
FairOver: Pine Creek
Upton - Newcastle, Weston, WY
Built 1971 Load: 34.5 t ADT: 1,673
We Cnty Rd 7A
FairOver: Cheyenne River
16 Miles S.W. Of Clareton, Weston, WY
Built 1981 Load: 34.5 t ADT: 32
WYO 116 S
FairOver: Coyote Creek
Upton-Clareton Road, Weston, WY
Built 1990 Load: 34.5 t ADT: 309
WYO 116 S
FairOver: North Fork Soda Creek
Upton-Clareton Road, Weston, WY
Built 1990 Load: 34.5 t ADT: 309
WYO 116 S
FairOver: South Fork Soda Creek
Upton-Clareton Road, Weston, WY
Built 1990 Load: 34.5 t ADT: 309
WYO 130
FairOver: N F Little Laramie River
Laramie - Jct WYO 230, Albany, WY
Built 1968 Load: 34.7 t ADT: 723
WYO 59
FairOver: East Fork Hay Creek
Reno Jct - Gillette, Campbell, WY
Built 1977 Load: 34.7 t ADT: 5,017
WYO 150
FairOver: Bear River
Evanston South, Uinta, WY
Built 1989 Load: 34.7 t ADT: 1,743
WYO 28
FairOver: Sweetwater River
Farson - Jct Us 287, Fremont, WY
Built 1981 Load: 34.9 t ADT: 1,382
NFSR 550
FairOver: N.F. ENCAMPMENT RIVER
2.05 MI S of SH 70, Carbon, WY
Built 1967 Load: 35.0 t ADT: 50
I-25 SBL
FairOver: Laprele Creek
Douglas - Casper, Converse, WY
Built 1958 Load: 35.3 t ADT: 5,476
Na Cnty Rd 407
FairOver: North Platte River
Alcova, Natrona, WY
Built 2019 Load: 35.3 t ADT: 63
US 14
FairOver: Spotted Horse Creek
Ucross - Jct WYO 59, Campbell, WY
Built 1977 Load: 35.4 t ADT: 492
I-80 EBL
FairOver: Machinery Pass
Rawlins - Laramie, Carbon, WY
Built 1964 Load: 35.4 t ADT: 6,360
WYO 487
FairOver: Medicine Bow River
Medicine Bow, Carbon, WY
Built 1959 Load: 35.4 t ADT: 652
WYO 789
FairOver: Little Snake River
Creston Jct - Colo Line, Carbon, WY
Built 1978 Load: 35.4 t ADT: 2,593
WYO 95
FairOver: N Platte River Overflow
Glenrock-Ross, Converse, WY
Built 1994 Load: 35.4 t ADT: 1,551
US 14
FairOver: Belle Fourche River
Moorcroft-Devils Twr Jct, Crook, WY
Built 1987 Load: 35.4 t ADT: 793
WYO 789
FairOver: Rogers/Gregg Ditch
Lander - Riverton, Fremont, WY
Built 1976 Load: 35.4 t ADT: 3,514
US 26
FairOver: Horse Creek
Moran Jct - Dubois, Fremont, WY
Built 1981 Load: 35.4 t ADT: 4,296
WYO 173
FairOver: BNSF Railway
Thermopolis East, Hot Springs, WY
Built 1992 Load: 35.4 t ADT: 195
Jo Cnty Rd 13
FairOver: Crazy Woman Creek
8 Miles South Of Buffalo, Johnson, WY
Built 1983 Load: 35.4 t ADT: 75
I-80 WBL
FairOver: UPRR
Laramie - Cheyenne, Laramie, WY
Built 1958 Load: 35.4 t ADT: 6,639
US 30
FairOver: Crow Creek
W.Lincolnway-Cheyenne, Laramie, WY
Built 1987 Load: 35.4 t ADT: 18,504
Westland Road
FairOver: Crow Creek
24Th Street-Westland Road, Laramie, WY
Built 1991 Load: 35.4 t ADT: 2,376
US 89
FairOver: Dry Creek
Idaho Line - Afton, Lincoln, WY
Built 1975 Load: 35.4 t ADT: 2,336
US 189
FairOver: Hams Fork River
Kemmerer-Daniel Jct, Lincoln, WY
Built 1983 Load: 35.4 t ADT: 1,277
US 89
FairOver: Salt River
Border Jct - Smoot, Lincoln, WY
Built 1987 Load: 35.4 t ADT: 1,186
WYO 258 (Wyo Blvd)
FairOver: North Platte River
Casper, Natrona, WY
Built 1974 Load: 35.4 t ADT: 11,674
WYO 387
FairOver: Coal Draw
Midwest - Reno Jct, Natrona, WY
Built 1977 Load: 35.4 t ADT: 2,168
US 20
FairOver: Middle Fork Casper Creek
Casper-Shoshoni, Natrona, WY
Built 1984 Load: 35.4 t ADT: 2,908
US 14
FairOver: N Fork Shoshone River
Yellowstone Park - Cody, Park, WY
Built 1982 Load: 35.4 t ADT: 3,071
WYO 34
FairOver: Canal No 3
Bosler Jct - Jct I-25, Platte, WY
Built 1980 Load: 35.4 t ADT: 702
WYO 319
FairOver: Horseshoe Creek
Glendo-Wendover, Platte, WY
Built 1988 Load: 35.4 t ADT: 179
WYO 345
FairOver: Five Mile Creek
Montana Line - Sheridan, Sheridan, WY
Built 1952 Load: 35.4 t ADT: 500
I-90 EBL
FairOver: BNSF Railway
Sheridan Marginal, Sheridan, WY
Built 1962 Load: 35.4 t ADT: 4,669
I-90 WBL
FairOver: BNSF Railway
Sheridan Marginal, Sheridan, WY
Built 1962 Load: 35.4 t ADT: 5,095
5th Street
FairOver: Big Goose Creek
5th St. - Sheridan, Sheridan, WY
Built 1968 Load: 35.4 t ADT: 9,192
US 14
FairOver: Coal Creek
Sheridan-Gillette Road, Sheridan, WY
Built 1987 Load: 35.4 t ADT: 829
Showing 1,701-1,750 of 3,181 bridges
Related
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.