Johnson County, Wyoming bridges
Johnson County has 204 bridges and culverts in the National Bridge Inventory, the oldest built in 1930. 7 (3%) are rated poor. The most common type is stringer/multi-beam or girder (39%).
- Bridges
- 204
- Good
- 27%
- Fair
- 69%
- Poor
- 3%
- 7 bridges
- Average age
- 54.8 yrs
- Posted or closed
- 30
Map of bridges in Johnson County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Johnson County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good27%(56)
Fair69%(141)
Poor3%(7)
When they were built
Busiest
- I-25 / US 87 Bus over Clear CreekFair5,733 vehicles/day
- I-90 Wbl over Jo CR 213 (monument Rd)Fair3,990 vehicles/day
- I-90 Wbl over Jo CR 1 (rock Creek Rd)Fair3,990 vehicles/day
- I-90 Ebl over Jo CR 39 (lake Ridge Rd)Fair3,980 vehicles/day
- I-90 Ebl over Jo CR 1 (rock Creek Rd)Fair3,980 vehicles/day
Longest
- Fair
- Fair
- Fair
- N Fork Road over I-25Fair342 ft
- Good
Oldest
- Jo Cnty RD 78 over Red Wall DrawFairBuilt 1930
- Fair
- Wyo 196 over North Fork Powder RiverFairBuilt 1935
- Wyo 192 over North Fork Powder RiverFairBuilt 1942
- FSR 33 over Crazy Woman CreekFairBuilt 1945
All bridges in Johnson County
Busiest first · showing 1–200 of 204| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-25 / US 87 Bus over Clear Creek No. BMQ | Buffalo Main Street | 1975 | Stringer/Multi-beam or Girder | 67 ft | 5,733 | Fair |
| I-90 Wbl over Jo CR 213 (monument Rd) No. BCY | Sheridan - Buffalo | 1966 | Slab | 84 ft | 3,990 | Fair |
| I-90 Wbl over Jo CR 1 (rock Creek Rd) No. CTS | Sheridan - Buffalo | 1963 | Slab | 84 ft | 3,990 | Fair |
| I-90 Ebl over Jo CR 39 (lake Ridge Rd) No. BCX | Sheridan - Buffalo | 1966 | Slab | 84 ft | 3,980 | Fair |
| I-90 Ebl over Jo CR 1 (rock Creek Rd) No. BCZ | Sheridan - Buffalo | 1963 | Slab | 84 ft | 3,980 | Fair |
| I-90 Wbl over Piney Creek No. BCO | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 197 ft | 3,740 | Fair |
| I-90 Wbl over Lake De Smet Ditch No. BCQ | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 133 ft | 3,740 | Fair |
| I-90 Wbl over Lower Piney Creek Road No. BCS | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 219 ft | 3,740 | Fair |
| I-90 Wbl over Machinery Pass No. BCU | Sheridan - Buffalo | 1966 | Slab | 61 ft | 3,705 | Fair |
| I-90 Wbl over Jo CR 85 (shell Creek) No. BCW | Sheridan - Buffalo | 1966 | Slab | 102 ft | 3,705 | Fair |
| I-90 Wbl over Middle Fork Shell Creek No. LIB | Sheridan - Buffalo | 2001 | Culvert | 27 ft | 3,705 | Good |
| I-90 Ebl over Piney Creek No. BCN | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 197 ft | 3,701 | Fair |
| I-90 Ebl over Lake De Smet Ditch No. BCP | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 133 ft | 3,701 | Fair |
| I-90 Ebl over Lower Piney Creek Road No. BCR | Sheridan - Buffalo | 1966 | Stringer/Multi-beam or Girder | 219 ft | 3,701 | Fair |
| I-90 Ebl over Machinery Pass No. BCT | Sheridan - Buffalo | 1966 | Slab | 61 ft | 3,662 | Fair |
| I-90 Ebl over Jo CR 85 (shell Creek) No. BCV | Sheridan - Buffalo | 1966 | Slab | 102 ft | 3,662 | Fair |
| I-90 Ebl over Middle Fork Shell Creek No. LIA | Sheridan - Buffalo | 2001 | Culvert | 27 ft | 3,662 | Good |
| I-90 Wbl over Rock Creek No. BDC | Sheridan - Buffalo | 1963 | Culvert | 25 ft | 3,445 | Good |
| I-90 Ebl over Rock Creek No. BDB | Sheridan - Buffalo | 1963 | Culvert | 25 ft | 3,403 | Good |
| US 16 over French Creek No. CQQ | Buffalo | 1963 | Culvert | 31 ft | 2,937 | Good |
| US 16 over Clear Creek No. MCI | Buffalo | 2010 | Stringer/Multi-beam or Girder | 155 ft | 2,937 | Good |
| Jo Cnty RD 252 over Clear Creek No. EES | Buffalo | 1955 | Frame | 88 ft | 2,582 | Fair |
| I-90 Wbl over Clear Creek No. BDI | Buffalo Marginal | 1959 | Stringer/Multi-beam or Girder | 173 ft | 2,345 | Fair |
| I-90 Wbl over US 16 No. BDK | Buffalo Marginal | 1959 | Stringer/Multi-beam or Girder | 153 ft | 2,345 | Good |
| I-90 Wbl over Jo CR 204 (tw Road) No. BDM | Buffalo - Gillette | 1959 | Slab | 94 ft | 2,345 | Fair |
| I-90 Wbl over Negro Creek No. BDO | Buffalo - Gillette | 1960 | Slab | 80 ft | 2,345 | Fair |
| I-90 Wbl over Dry Creek Road No. BEM | Buffalo - Gillette | 1961 | Slab | 94 ft | 2,300 | Fair |
| I-90 Wbl over Machinery Pass No. BEO | Buffalo - Gillette | 1961 | Slab | 68 ft | 2,300 | Fair |
| I-90 Wbl over Machinery Pass No. BEQ | Buffalo - Gillette | 1961 | Slab | 94 ft | 2,300 | Fair |
| I-90 Wbl over Schoonover Road No. BEG | Buffalo - Gillette | 1961 | Slab | 93 ft | 2,290 | Fair |
| I-90 Wbl over Machinery Pass No. BEI | Buffalo - Gillette | 1961 | Slab | 81 ft | 2,290 | Fair |
| I-90 Wbl over Machinery Pass No. BEK | Buffalo - Gillette | 1961 | Slab | 68 ft | 2,290 | Fair |
| I-90 Wbl over Crazy Woman Creek Road No. BEA | Buffalo - Gillette | 1961 | Slab | 94 ft | 2,260 | Fair |
| I-90 Wbl over Crazy Woman Creek No. BEC | Buffalo - Gillette | 1961 | Stringer/Multi-beam or Girder | 198 ft | 2,260 | Good |
| I-90 Wbl over Jo CR 204A (dry Creek) No. BEE | Buffalo - Gillette | 1961 | Slab | 94 ft | 2,260 | Fair |
| I-90 Wbl over Machinery Pass No. BDQ | Buffalo - Gillette | 1960 | Slab | 61 ft | 2,255 | Fair |
| I-90 Wbl over Tipperary Road No. BDS | Buffalo - Gillette | 1960 | Stringer/Multi-beam or Girder | 114 ft | 2,255 | Fair |
| I-90 Wbl over Jo CR 117 (cook Road) No. BDU | Buffalo - Gillette | 1960 | Slab | 94 ft | 2,255 | Fair |
| I-90 Wbl over East Fork Dry Creek No. BDW | Buffalo - Gillette | 1960 | Slab | 99 ft | 2,255 | Fair |
| I-90 Wbl over Jo CR 204A (dry Creek) No. BDY | Buffalo - Gillette | 1960 | Slab | 94 ft | 2,255 | Fair |
| I-25 Nbl over Machinery Pass No. ALY | Buffalo Marginal | 1963 | Slab | 84 ft | 2,085 | Fair |
| I-25 Nbl over French Creek No. MWN | Buffalo Marginal | 1963 | Culvert | 29 ft | 2,085 | Fair |
| I-25 Nbl over Machinery Pass No. ALJ | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 2,021 | Fair |
| I-25 Nbl over Bull Creek No. ALL | Kaycee - Buffalo | 1969 | Stringer/Multi-beam or Girder | 250 ft | 2,021 | Good |
| I-25 Nbl over Machinery Pass No. ALN | Kaycee - Buffalo | 1971 | Tee Beam | 134 ft | 2,021 | Good |
| I-25 Nbl over Machinery Pass No. ALP | Kaycee - Buffalo | 1971 | Tee Beam | 76 ft | 2,021 | Fair |
| I-25 Nbl over South Main Street No. ALR | Buffalo Marginal | 1971 | Tee Beam | 164 ft | 2,021 | Fair |
| I-25 Nbl over Jo CR 8 (stockyard Road) No. ALT | Buffalo Marginal | 1971 | Tee Beam | 134 ft | 1,928 | Good |
| I-25 Nbl and Sbl over Clear Creek No. ALV | Buffalo Marginal | 1963 | Culvert | 21 ft | 1,928 | Good |
| I-25 Nbl over US 16 (east Hart Street) No. ALW | Buffalo Marginal | 1963 | Stringer/Multi-beam or Girder | 120 ft | 1,928 | Good |
| I-90 Wbl over Dead Horse Creek No. BEW | Buffalo - Gillette | 1962 | Stringer/Multi-beam or Girder | 143 ft | 1,835 | Fair |
| I-90 Wbl over Dead Horse Creek Road No. BEY | Buffalo - Gillette | 1962 | Slab | 94 ft | 1,835 | Fair |
| I-90 Wbl over Machinery Pass No. BFA | Buffalo - Gillette | 1962 | Slab | 68 ft | 1,835 | Fair |
| I-90 Wbl over Lower Powder River Road No. BES | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,834 | Fair |
| I-90 Wbl over Powder River No. BEU | Buffalo - Gillette | 1961 | Girder and Floorbeam System | 525 ft | 1,834 | Fair |
| I-90 Ebl over Dead Horse Creek No. BEV | Buffalo - Gillette | 1962 | Stringer/Multi-beam or Girder | 143 ft | 1,832 | Fair |
| I-90 Ebl over Dead Horse Creek Road No. BEX | Buffalo - Gillette | 1962 | Slab | 94 ft | 1,832 | Fair |
| I-90 Ebl over Machinery Pass No. BEZ | Buffalo - Gillette | 1962 | Slab | 68 ft | 1,832 | Fair |
| I-25 Sbl over Machinery Pass No. ALK | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,819 | Fair |
| I-25 Sbl over Bull Creek No. ALM | Kaycee - Buffalo | 1969 | Stringer/Multi-beam or Girder | 250 ft | 1,819 | Good |
| I-25 Sbl over Machinery Pass No. ALO | Kaycee - Buffalo | 1971 | Tee Beam | 134 ft | 1,819 | Good |
| I-25 Sbl over Machinery Pass No. ALQ | Kaycee - Buffalo | 1971 | Tee Beam | 76 ft | 1,819 | Good |
| I-25 Sbl over South Main Street No. ALS | Buffalo Marginal | 1971 | Tee Beam | 164 ft | 1,819 | Fair |
| I-90 Wbl over North Main Street No. BDE | Buffalo Marginal | 1963 | Stringer/Multi-beam or Girder | 256 ft | 1,817 | Fair |
| I-90 Ebl over Lower Powder River Road No. BER | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,808 | Fair |
| I-90 Ebl over Powder River No. BET | Buffalo - Gillette | 1961 | Girder and Floorbeam System | 525 ft | 1,808 | Fair |
| I-25 Nbl over Jo CR 265 (middle Fork) No. ALE | Kaycee - Buffalo | 1968 | Tee Beam | 112 ft | 1,807 | Fair |
| I-25 Nbl over Machinery Pass No. ALG | Kaycee - Buffalo | 1968 | Tee Beam | 91 ft | 1,807 | Fair |
| Wyo 387 over Jj Draw No. DIU | Midwest - Reno JCT | 1978 | Stringer/Multi-beam or Girder | 118 ft | 1,788 | Fair |
| I-25 Sbl over Jo CR 8 (stockyard Road) No. ALU | Buffalo Marginal | 1971 | Tee Beam | 134 ft | 1,786 | Good |
| I-25 Sbl over US 16 (east Hart Street) No. ALX | Buffalo Marginal | 1963 | Stringer/Multi-beam or Girder | 120 ft | 1,786 | Fair |
| I-25 Sbl over Machinery Pass No. ALZ | Buffalo Marginal | 1963 | Slab | 84 ft | 1,765 | Fair |
| I-25 Sbl over French Creek No. MWU | Buffalo Marginal | 1963 | Culvert | 29 ft | 1,765 | Fair |
| I-25 Nbl over Middle Fork Powder River No. AKH | Kaycee Marginal | 1970 | Stringer/Multi-beam or Girder | 196 ft | 1,762 | Good |
| I-25 Nbl over Wyo 191 No. AKJ | Kaycee Marginal | 1970 | Box Beam or Girders - Multiple | 190 ft | 1,762 | Fair |
| I-25 Nbl over North Fork Powder River No. AKM | Kaycee - Buffalo | 1971 | Stringer/Multi-beam or Girder | 140 ft | 1,762 | Good |
| I-25 Nbl over Wyo 196 No. AKO | Kaycee - Buffalo | 1969 | Tee Beam | 160 ft | 1,762 | Good |
| I-25 Nbl over Jo CR 208 (reno Road) No. AKQ | Kaycee - Buffalo | 1967 | Tee Beam | 121 ft | 1,762 | Fair |
| I-25 Nbl over Machinery Pass No. AKS | Kaycee - Buffalo | 1967 | Tee Beam | 76 ft | 1,762 | Fair |
| I-25 Nbl over Machinery Pass No. AKU | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,762 | Fair |
| I-25 Nbl over Machinery Pass No. AKW | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,762 | Fair |
| I-25 Nbl over S F Crazy Woman Creek No. AKY | Kaycee - Buffalo | 1968 | Stringer/Multi-beam or Girder | 172 ft | 1,762 | Good |
| I-25 Nbl over Machinery Pass No. ALA | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,762 | Fair |
| I-25 Nbl over M Fork Crazy Woman Creek No. ALC | Kaycee - Buffalo | 1968 | Stringer/Multi-beam or Girder | 227 ft | 1,762 | Fair |
| I-25 Nbl over Antelope Creek No. KDS | Kaycee - Buffalo | 1967 | Culvert | 41 ft | 1,762 | Good |
| I-25 Nbl over I-25 Service Road No. AJJ | Casper - Kaycee | 1965 | Slab | 94 ft | 1,749 | Fair |
| I-25 Nbl over Machinery Pass No. AJR | Casper - Kaycee | 1965 | Slab | 61 ft | 1,749 | Fair |
| I-25 Nbl over I-25 Service Road No. AJT | Casper - Kaycee | 1960 | Slab | 67 ft | 1,749 | Good |
| I-25 Nbl over South Fork Powder River No. AJV | Casper - Kaycee | 1960 | Stringer/Multi-beam or Girder | 264 ft | 1,749 | Fair |
| I-25 Nbl over Powder River RD Intg No. AJY | Casper - Kaycee | 1960 | Slab | 93 ft | 1,749 | Good |
| I-25 Nbl over Murphy Creek No. AKA | Casper - Kaycee | 1960 | Stringer/Multi-beam or Girder | 142 ft | 1,749 | Fair |
| I-25 Nbl over Machinery Pass No. AKC | Casper - Kaycee | 1960 | Slab | 67 ft | 1,749 | Fair |
| I-25 Nbl over Ttt Road No. AKE | Casper - Kaycee | 1960 | Slab | 93 ft | 1,749 | Fair |
| Wyo 387 over Meadow Creek No. CGS | Midwest - Reno JCT | 1975 | Stringer/Multi-beam or Girder | 100 ft | 1,676 | Fair |
| I-25 Sbl over Middle Fork Powder River No. AKI | Kaycee Marginal | 1970 | Stringer/Multi-beam or Girder | 196 ft | 1,673 | Good |
| I-25 Sbl over Wyo 191 No. AKK | Kaycee Marginal | 1970 | Box Beam or Girders - Multiple | 190 ft | 1,673 | Fair |
| I-25 Sbl over North Fork Powder River No. AKN | Kaycee - Buffalo | 1971 | Stringer/Multi-beam or Girder | 140 ft | 1,673 | Fair |
| I-25 Sbl over Wyo 196 No. AKP | Kaycee - Buffalo | 1969 | Tee Beam | 160 ft | 1,673 | Fair |
| I-25 Sbl over Jo CR 208 (reno Road) No. AKR | Kaycee - Buffalo | 1967 | Tee Beam | 121 ft | 1,673 | Good |
| I-25 Sbl over Machinery Pass No. AKT | Kaycee - Buffalo | 1967 | Tee Beam | 76 ft | 1,673 | Fair |
| I-25 Sbl over Machinery Pass No. AKV | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,673 | Fair |
| I-25 Sbl over Machinery Pass No. AKX | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,673 | Fair |
| I-25 Sbl over S F Crazy Woman Creek No. AKZ | Kaycee - Buffalo | 1968 | Stringer/Multi-beam or Girder | 172 ft | 1,673 | Good |
| I-25 Sbl over Machinery Pass No. ALB | Kaycee - Buffalo | 1968 | Tee Beam | 76 ft | 1,673 | Fair |
| I-25 Sbl over M Fork Crazy Woman Creek No. ALD | Kaycee - Buffalo | 1968 | Stringer/Multi-beam or Girder | 227 ft | 1,673 | Good |
| I-25 Sbl over Antelope Creek No. KDT | Kaycee - Buffalo | 1967 | Culvert | 41 ft | 1,673 | Good |
| I-25 Sbl over I-25 Service Road No. AJK | Casper - Kaycee | 1965 | Slab | 94 ft | 1,647 | Fair |
| I-25 Sbl over Machinery Pass No. AJS | Casper - Kaycee | 1965 | Slab | 61 ft | 1,647 | Fair |
| I-25 Sbl over I-25 Service Road No. AJU | Casper - Kaycee | 1960 | Slab | 67 ft | 1,647 | Fair |
| I-25 Sbl over South Fork Powder River No. AJW | Casper - Kaycee | 1960 | Stringer/Multi-beam or Girder | 264 ft | 1,647 | Poor |
| I-25 Sbl over Powder River RD Intg No. AJZ | Casper - Kaycee | 1960 | Slab | 93 ft | 1,647 | Fair |
| I-25 Sbl over Murphy Creek No. AKB | Casper - Kaycee | 1960 | Stringer/Multi-beam or Girder | 142 ft | 1,647 | Fair |
| I-25 Sbl over Ttt Road No. AKF | Casper - Kaycee | 1960 | Slab | 93 ft | 1,647 | Fair |
| I-25 Sbl over Jo CR 265 (middle Fork) No. ALF | Kaycee - Buffalo | 1968 | Tee Beam | 112 ft | 1,614 | Fair |
| I-25 Sbl over Machinery Pass No. ALH | Kaycee - Buffalo | 1968 | Tee Beam | 91 ft | 1,614 | Fair |
| I-90 Ebl over Clear Creek No. BDH | Buffalo Marginal | 1959 | Stringer/Multi-beam or Girder | 173 ft | 1,587 | Fair |
| I-90 Ebl over US 16 No. BDJ | Buffalo Marginal | 1959 | Stringer/Multi-beam or Girder | 153 ft | 1,587 | Fair |
| I-90 Ebl over Jo CR 204 (tw Road) No. BDL | Buffalo - Gillette | 1959 | Slab | 94 ft | 1,587 | Fair |
| I-90 Ebl over Negro Creek No. BDN | Buffalo - Gillette | 1960 | Slab | 80 ft | 1,587 | Fair |
| I-90 Ebl over Dry Creek Road No. BEL | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,541 | Fair |
| I-90 Ebl over Machinery Pass No. BEN | Buffalo - Gillette | 1961 | Slab | 68 ft | 1,541 | Fair |
| I-90 Ebl over Machinery Pass No. BEP | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,541 | Fair |
| I-90 Ebl over Schoonover Road No. BEF | Buffalo - Gillette | 1961 | Slab | 93 ft | 1,535 | Fair |
| I-90 Ebl over Machinery Pass No. BEH | Buffalo - Gillette | 1961 | Slab | 81 ft | 1,535 | Fair |
| I-90 Ebl over Machinery Pass No. BEJ | Buffalo - Gillette | 1961 | Slab | 68 ft | 1,535 | Fair |
| I-90 Ebl over Crazy Woman Creek Road No. BDZ | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,533 | Fair |
| I-90 Ebl over Crazy Woman Creek No. BEB | Buffalo - Gillette | 1961 | Stringer/Multi-beam or Girder | 198 ft | 1,533 | Good |
| I-90 Ebl over Jo CR 204A (dry Creek) No. BED | Buffalo - Gillette | 1961 | Slab | 94 ft | 1,533 | Fair |
| I-90 Ebl over Machinery Pass No. BDP | Buffalo - Gillette | 1960 | Slab | 61 ft | 1,526 | Fair |
| I-90 Ebl over Tipperary Road No. BDR | Buffalo - Gillette | 1960 | Stringer/Multi-beam or Girder | 114 ft | 1,526 | Fair |
| I-90 Ebl over Jo CR 117 (cook Road) No. BDT | Buffalo - Gillette | 1960 | Slab | 94 ft | 1,526 | Fair |
| I-90 Ebl over East Fork Dry Creek No. BDV | Buffalo - Gillette | 1960 | Slab | 99 ft | 1,526 | Fair |
| I-90 Ebl over Jo CR 204A (dry Creek) No. BDX | Buffalo - Gillette | 1960 | Slab | 94 ft | 1,526 | Fair |
| I-90 / US 87 Bus over French Creek No. AXY | Buffalo Main Street | 1955 | Frame | 55 ft | 1,441 | Fair |
| I-25 Sbl over Machinery Pass No. AKD | Casper - Kaycee | 1960 | Slab | 67 ft | 1,439 | Fair |
| Wyo 196 over Middle Fork Powder River No. DCE | Kaycee | 1977 | Stringer/Multi-beam or Girder | 324 ft | 1,323 | Good |
| I-90 Ebl over North Main Street No. BDD | Buffalo Marginal | 1963 | Stringer/Multi-beam or Girder | 222 ft | 999 | Fair |
| I-90 Ebl over I-90 to I-25 Ramp No. CQV | Buffalo Marginal | 1964 | Box Beam or Girders - Multiple | 238 ft | 999 | Fair |
| Wyo 193 over Little Piney Creek No. IHW | Sheridan-Buffalo | 1947 | Culvert | 24 ft | 611 | Good |
| Wyo 193 over Piney Creek No. MXI | JCT I-90 - Story | 2017 | Stringer/Multi-beam or Girder | 180 ft | 611 | Good |
| Wyo 193 over Piney Creek No. MXK | JCT I-90 - Story | 2017 | Stringer/Multi-beam or Girder | 115 ft | 611 | Good |
| Wyo 191 over Unnamed Draw No. KQM | Kaycee-Mayoworth | 1971 | Culvert | 23 ft | 492 | Good |
| Wyo 196 over Bull Creek No. FKO | Kaycee-Buffalo | 1989 | Stringer/Multi-beam or Girder | 207 ft | 396 | Fair |
| Jo Cnty RD 212 over French Creek No. EEU | Buffalo | 1950 | Tee Beam | 33 ft | 391 | Fair |
| US 16 over Watt Draw No. FFO | Buffalo-Ucross | 1986 | Culvert | 29 ft | 379 | Fair |
| US 16 over Clear Creek No. FQH | Buffalo-Ucross | 1990 | Stringer/Multi-beam or Girder | 222 ft | 379 | Fair |
| Wyo 196 over North Fork Powder River No. COQ | Kaycee - Buffalo | 1935 | Stringer/Multi-beam or Girder | 132 ft | 310 | Fair |
| Wyo 196 over Antelope Creek No. JSZ | Kaycee-Buffalo | 1967 | Culvert | 41 ft | 310 | Good |
| Jo Cnty RD 1 over Rock Creek No. EET | T51N R082W S15 | 1954 | Slab | 126 ft | 249 | Fair |
| Wyo 192 over North Fork Powder River No. CQF | Kaycee - JCT Wyo 387 | 1942 | Stringer/Multi-beam or Girder | 136 ft | 229 | Fair |
| Wyo 192 over 15 Mile Draw No. JOF | 10 Miles S.E. of Kaycee | 1992 | Stringer/Multi-beam or Girder | 120 ft | 229 | Fair |
| Wyo 190 over Red Fork Powder River No. LYV | Kaycee-Barnum Road | 2007 | Stringer/Multi-beam or Girder | 145 ft | 217 | Good |
| Wyo 190 over Cottonwood Creek No. LYW | Kaycee-Barnum Road | 2007 | Stringer/Multi-beam or Girder | 65 ft | 217 | Good |
| Wyo 190 over Alkali Creek No. LYX | Kaycee-Barnum Road | 2007 | Stringer/Multi-beam or Girder | 65 ft | 217 | Good |
| I-90 Wbl Off Ramp over I-25 - I-90 Ramp No. CQP | Buffalo Marginal | 1964 | Box Beam or Girders - Multiple | 141 ft | 201 | Fair |
| Jo Cnty RD 1 over Rock Creek No. KIC | 4 MI N.E. of Buffalo | 1994 | Culvert | 38 ft | 168 | Poor |
| Jo Cnty RD 1 over North Rock Creek No. MJT | 15 MI NW of Buffalo | 2010 | Stringer/Multi-beam or Girder | 40 ft | 168 | Good |
| Jo Cnty RD 1 over South Rock Creek No. MJU | 14 MI NW of Buffalo | 2010 | Stringer/Multi-beam or Girder | 40 ft | 168 | Good |
| Wyo 192 over Powder River No. CQH | Kaycee - JCT Wyo 387 | 1959 | Stringer/Multi-beam or Girder | 366 ft | 116 | Fair |
| Wyo 192 over Coal Creek No. CQI | Kaycee - JCT Wyo 387 | 1956 | Slab | 91 ft | 116 | Fair |
| Wyo 192 over Carpenter Creek No. CQJ | Kaycee - JCT Wyo 387 | 1956 | Slab | 115 ft | 116 | Fair |
| Jo Cnty RD 204A over Crazy Woman Creek No. EEO | 21 Miles S.E. of Buffalo | 1950 | Girder and Floorbeam System | 68 ft | 98 | Poor |
| Jo Cnty RD 132 over Clear Creek No. EER | Buffalo | 1976 | Tee Beam | 107 ft | 98 | Fair |
| Jo Cnty RD 195 over Crazy Woman Creek No. FJV | 30 Miles N.E. of Buffalo | 1987 | Stringer/Multi-beam or Girder | 174 ft | 98 | Good |
| Jo Cnty RD 266 over North Fork Powder River No. IXF | 1/4 Mile W. of Mayowrth | 1992 | Stringer/Multi-beam or Girder | 120 ft | 98 | Fair |
| Jo Cnty RD 259 over Dead Horse Creek No. MBY | 31 MI SE of Buffalo | 2008 | Stringer/Multi-beam or Girder | 61 ft | 98 | Good |
| Old Barnum Road over I-25 No. AKG | Casper - Kaycee | 1971 | Stringer/Multi-beam or Girder | 318 ft | 89 | Fair |
| Jo Cnty RD 40 over Clear Creek No. FDM | 3 Miles N. E. of Buffalo | 1986 | Stringer/Multi-beam or Girder | 127 ft | 89 | Fair |
| Lowr Powder Rvr RD over Juniper Draw No. GFT | South of I-90 | 1960 | Culvert | 21 ft | 89 | Fair |
| Lobban Avenue over Clear Creek No. LIC | Buffalo Streets | 2004 | Stringer/Multi-beam or Girder | 60 ft | 89 | Fair |
| S Buritt Avenue over Clear Creek No. LID | Buffalo Streets | 2004 | Stringer/Multi-beam or Girder | 80 ft | 89 | Good |
| I-25 Service Road over South Fork Powder River No. AJX | Wyo 387 JCT - Buffalo | 1932 | Truss - Deck | 309 ft | 79 | Fair |
| Jo Cnty RD 13 over I-25 No. ALI | Kaycee - Buffalo | 1968 | Box Beam or Girders - Multiple | 210 ft | 75 | Poor |
| Jo Cnty RD 13 over Crazy Woman Creek No. EUS | 8 Miles South of Buffalo | 1983 | Stringer/Multi-beam or Girder | 149 ft | 75 | Fair |
| Jo Cnty RD 11A over Rock Creek No. MTI | 6 MI NW of Buffalo | 2013 | Stringer/Multi-beam or Girder | 70 ft | 71 | Good |
| Wyo 191 over North Fork Powder River No. JAW | Kaycee-Mayoworth | 1999 | Stringer/Multi-beam or Girder | 150 ft | 69 | Fair |
| FSR 33 over Crazy Woman Creek No. 020201000001005 | 1.7 MI East of HWY 16 | 1945 | Stringer/Multi-beam or Girder | 27 ft | 62 | Fair |
| Jo Cnty RD 85 over Rock Creek No. EDI | 11 Mi. N.W. of Buffalo | 1976 | Culvert | 49 ft | 56 | Poor |
| Jo Cnty RD 51 over Murphy Creek No. EUR | 13 Miles S. of Kaycee | 1983 | Stringer/Multi-beam or Girder | 110 ft | 53 | Fair |
| Jo Cnty RD 14 over N F Crazy Woman Creek No. KUD | 13 Mi. S.W. of Buffalo | 1997 | Stringer/Multi-beam or Girder | 40 ft | 53 | Poor |
| Jo Cnty RD 14 over N F Crazy Woman Creek No. LWE | 10 MI S. of Buffalo | 2005 | Stringer/Multi-beam or Girder | 61 ft | 53 | Good |
| Wyo 196 over Muddy Creek No. FHJ | Kaycee-Buffalo | 1989 | Stringer/Multi-beam or Girder | 110 ft | 51 | Fair |
| Wyo 196 over N F Crazy Woman Creek No. FHU | Kaycee-Buffalo | 1989 | Stringer/Multi-beam or Girder | 110 ft | 51 | Fair |
| Fdr 373 over Middle Fork Clear Creek No. 020201000001008 | 0.9 MI on Fdr 373 | 1993 | Stringer/Multi-beam or Girder | 30 ft | 50 | Good |
| Wyo 196 over S F Crazy Woman Creek No. FMB | Kaycee-Buffalo | 1989 | Stringer/Multi-beam or Girder | 105 ft | 48 | Good |
| Wyo 196 over Beaver Creek No. FMC | T46W R082N S02 | 1989 | Stringer/Multi-beam or Girder | 105 ft | 48 | Good |
| Wyo 196 over M Fork Crazy Woman Creek No. FMD | Kaycee-Buffalo | 1989 | Stringer/Multi-beam or Girder | 105 ft | 48 | Good |
| Jo Cnty RD 43 over Crazy Woman Creek No. LWJ | 13 MI SW of Buffalo | 2007 | Stringer/Multi-beam or Girder | 51 ft | 37 | Good |
| Jo Cnty RD 265 over Unnamed Draw No. EEE | 18.5 Miles S. of Buffalo | 1960 | Culvert | 29 ft | 34 | Good |
| Jo Cnty RD 265 over N F Crazy Woman Creek No. LXY | 20 MI S of Buffalo | 2006 | Tee Beam | 100 ft | 34 | Good |
| Jo Cnty RD 204B over Powder River No. EAO | 34 Miles S.E. of Buffalo | 1983 | Stringer/Multi-beam or Girder | 223 ft | 31 | Fair |
| 6214: Bar C Road over Middle Fork Powder River No. 000000000L59258 | 4 Miles S of Barnum Wy | 1976 | Tee Beam | 59 ft | 30 | Fair |
| Jo Cnty RD 48 over M Fork Crazy Woman Creek No. LCS | 20 MI S of Buffalo | 2000 | Tee Beam | 72 ft | 30 | Good |
| N Fork Road over I-25 No. AKL | Kaycee - Buffalo | 1971 | Stringer/Multi-beam or Girder | 342 ft | 29 | Fair |
| Fdr 31 over N Fork Crazy Woman Creek No. 020201000001004 | 9.5 MI N of HWY 16 | 1977 | Slab | 24 ft | 25 | Fair |
| Fdr 373 over Middle Fork Clear Creek No. 020201000001007 | .50 MI West of HWY 16 | 1959 | Stringer/Multi-beam or Girder | 27 ft | 25 | Good |
| FSR 33 over Crazy Woman Creek No. 020201000001044 | 4.5 MI East of HWY 16 | 1961 | Culvert | 24 ft | 20 | Fair |
| Jo Cnty RD 78 over Red Wall Draw No. EDT | 6 Miles N. of Barnum | 1930 | Stringer/Multi-beam or Girder | 31 ft | 13 | Fair |
| Jo Cnty RD 78 over Middle Fork Powder River No. FNT | 12 Mi. S.E. of Kaycee | 1990 | Truss - Thru | 62 ft | 13 | Fair |
| Jo Cnty RD 78 over Middle Fork Powder River No. FNV | 11 Miles N. of Barnum | 1989 | Truss - Thru | 59 ft | 13 | Poor |
Structure types in Johnson County
| Stringer/Multi-beam or Girder | 80 | 39.2% |
| Slab | 61 | 29.9% |
| Tee Beam | 31 | 15.2% |
| Culvert | 19 | 9.3% |
| Box Beam or Girders - Multiple | 5 | 2.5% |
| Girder and Floorbeam System | 3 | 1.5% |
| Truss - Thru | 2 | 1.0% |
| Frame | 2 | 1.0% |
| Truss - Deck | 1 | 0.5% |
Other counties in Wyoming
- Albany County 125
- Big Horn County 91
- Campbell County 152
- Carbon County 206
- Converse County 136
- Crook County 176
- Fremont County 176
- Goshen County 106
- Hot Springs County 39
- Laramie County 255
- Lincoln County 129
- Natrona County 135
- Niobrara County 34
- Park County 187
- Platte County 159
- Sheridan County 170
- Sublette County 110
- Sweetwater County 191
- Teton County 122
- Uinta County 132
- Washakie County 60
- Weston County 43