Sweetwater County, Wyoming bridges
Sweetwater County has 191 bridges and culverts in the National Bridge Inventory, the oldest built in 1920. 14 (7%) are rated poor. The most common type is stringer/multi-beam or girder (48%).
- Bridges
- 191
- Good
- 25%
- Fair
- 68%
- Poor
- 7%
- 14 bridges
- Average age
- 48.8 yrs
- Posted or closed
- 17
Map of bridges in Sweetwater County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Sweetwater County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good25%(48)
Fair68%(129)
Poor7%(14)
When they were built
Busiest
- Wyo 376 over UPRRFair14,871 vehicles/day
- Wyo 376 over Bitter CreekFair14,871 vehicles/day
- I-80 / US 30 Bus over Bitter CreekFair14,286 vehicles/day
- I-80 Wbl over I-80 Service RoadFair13,609 vehicles/day
- I-80 Wbl over East Green River IntgFair13,609 vehicles/day
Longest
- Wyo 530 Sbl over UPRR / I-80 BusPoor1,173 ft
- Wyo 530 Nbl over UPRR / I-80 BusPoor1,173 ft
- Poor
- Good
- Poor
Oldest
- Fair
- 2nd Street over Dead Horse Canyon CreekFairBuilt 1940
- SW Cnty RD 1199 over Greasewood CreekFairBuilt 1940
- Wyo 374 over Unnamed DrawFairBuilt 1942
- Wyo 374 over Grease Wood DrawPoorBuilt 1942
All bridges in Sweetwater County
Busiest first · showing 1–191 of 191| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Wyo 376 over UPRR No. DBL | Rock Springs Circumferent | 1977 | Stringer/Multi-beam or Girder | 299 ft | 14,871 | Fair |
| Wyo 376 over Bitter Creek No. DBP | Rock Springs Circumferent | 1977 | Tee Beam | 146 ft | 14,871 | Fair |
| I-80 / US 30 Bus over Bitter Creek No. FSE | Rock Springs Dewar Drive | 1991 | Stringer/Multi-beam or Girder | 130 ft | 14,286 | Fair |
| I-80 Wbl over I-80 Service Road No. APQ | Green River-Rock Springs | 1969 | Tee Beam | 76 ft | 13,609 | Fair |
| I-80 Wbl over East Green River Intg No. LEV | Green River Marginal | 2002 | Stringer/Multi-beam or Girder | 200 ft | 13,609 | Fair |
| I-80 Ebl and Wbl over Alkali Flat No. APS | Rock Springs Marginal | 1964 | Culvert | 31 ft | 11,730 | Fair |
| I-80 Ebl over I-80 Service Road No. APP | Green River-Rock Springs | 1969 | Tee Beam | 76 ft | 11,727 | Fair |
| I-80 Ebl over East Green River Intg No. LEU | Green River Marginal | 2002 | Stringer/Multi-beam or Girder | 200 ft | 11,727 | Good |
| Wyo 530 Sbl over UPRR / I-80 Bus No. DDH | Green River | 1978 | Stringer/Multi-beam or Girder | 1,173 ft | 9,974 | Poor |
| Wyo 530 Nbl over UPRR / I-80 Bus No. JQL | Green River | 1994 | Stringer/Multi-beam or Girder | 1,173 ft | 9,974 | Poor |
| Wyo 530 Sbl over Green River No. DNJ | Green River | 1982 | Stringer/Multi-beam or Girder | 459 ft | 9,814 | Poor |
| Wyo 530 Nbl over Green River No. CVL | Green River | 1953 | Stringer/Multi-beam or Girder | 457 ft | 9,802 | Fair |
| I-80 Wbl over SW CR 53 (white Mtn Rd) No. APH | Green River Marginal | 1966 | Stringer/Multi-beam or Girder | 103 ft | 9,625 | Fair |
| I-80 Wbl over Riverview Cemetery Road No. APL | Green River Marginal | 1966 | Stringer/Multi-beam or Girder | 101 ft | 9,625 | Fair |
| I-80 Wbl over West Green River Intg No. KEE | Green River Marginal | 1995 | Stringer/Multi-beam or Girder | 200 ft | 9,625 | Fair |
| I-80 Ebl over Dewar Drive No. LYB | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 240 ft | 9,576 | Fair |
| I-80 Wbl over Dewar Drive No. LYC | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 240 ft | 9,529 | Good |
| I-80 Wbl over US 191 No. LEN | Rock Springs Marginal | 2005 | Stringer/Multi-beam or Girder | 210 ft | 9,147 | Fair |
| I-80 Wbl over UPRR / Killpecker Creek No. LRY | Rock Springs Marginal | 2005 | Stringer/Multi-beam or Girder | 350 ft | 9,147 | Fair |
| I-80 Wbl over Green River No. APA | Evanston - Green River | 1966 | Stringer/Multi-beam or Girder | 324 ft | 9,076 | Good |
| I-80 Wbl over SW CR 5 (blue Rim Rd) No. APC | Evanston - Green River | 1966 | Tee Beam | 92 ft | 9,076 | Good |
| I-80 Ebl over US 191 No. LEM | Rock Springs Marginal | 2004 | Stringer/Multi-beam or Girder | 210 ft | 8,917 | Good |
| I-80 Ebl over UPRR / Killpecker Creek No. LRX | Rock Springs Marginal | 2004 | Stringer/Multi-beam or Girder | 350 ft | 8,917 | Fair |
| I-80 Wbl over SW CR 59 (gaensslen Rd) No. AOY | Evanston - Green River | 1966 | Tee Beam | 92 ft | 8,865 | Fair |
| I-80 Ebl over Green River No. AOZ | Evanston - Green River | 1966 | Stringer/Multi-beam or Girder | 325 ft | 8,815 | Good |
| I-80 Ebl over SW CR 5 (blue Rim Rd) No. APB | Evanston - Green River | 1966 | Tee Beam | 92 ft | 8,815 | Fair |
| I-80 Ebl over SW CR 59 (gaensslen Rd) No. AOX | Evanston - Green River | 1966 | Tee Beam | 92 ft | 8,638 | Good |
| College Drive over I-80 No. FHW | Rock Springs Marginal | 1989 | Stringer/Multi-beam or Girder | 252 ft | 8,450 | Fair |
| A Street over UPRR / S. Main Street No. LUG | Elk Street | 2006 | Stringer/Multi-beam or Girder | 569 ft | 8,370 | Good |
| I-80 Wbl over Swanson Drive No. LYE | Rock Springs Marginal | 2008 | Stringer/Multi-beam or Girder | 130 ft | 8,272 | Good |
| I-80 Wbl over 9th Street No. LYG | Rock Springs Marginal | 2008 | Stringer/Multi-beam or Girder | 155 ft | 8,272 | Good |
| I-80 Wbl over Machinery Pass No. LYO | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 130 ft | 8,272 | Good |
| I-80 Wbl over Tenneco Road No. AOO | Evanston - Green River | 1967 | Tee Beam | 100 ft | 8,042 | Fair |
| I-80 Wbl over Harborlite Entr RD No. AOQ | Evanston - Green River | 1967 | Tee Beam | 62 ft | 8,042 | Fair |
| I-80 Wbl over Blacks Fork River No. AOS | Evanston - Green River | 1967 | Stringer/Multi-beam or Girder | 270 ft | 8,042 | Fair |
| I-80 Wbl over Machinery Pass No. AOU | Evanston - Green River | 1967 | Tee Beam | 92 ft | 8,042 | Fair |
| I-80 Wbl over UPRR No. AOW | Evanston - Green River | 1966 | Stringer/Multi-beam or Girder | 248 ft | 8,042 | Fair |
| I-80 Ebl over SW CR 53 (white Mtn Rd) No. APG | Green River Marginal | 1966 | Stringer/Multi-beam or Girder | 103 ft | 7,912 | Poor |
| I-80 Ebl over Riverview Cemetery Road No. APK | Green River Marginal | 1966 | Stringer/Multi-beam or Girder | 101 ft | 7,912 | Fair |
| I-80 Ebl over West Green River Intg No. KED | Green River Marginal | 1995 | Stringer/Multi-beam or Girder | 200 ft | 7,912 | Fair |
| I-80 Ebl over Tenneco Road No. AON | Evanston - Green River | 1967 | Tee Beam | 100 ft | 7,818 | Fair |
| I-80 Ebl over Harborlite Entr RD No. AOP | Evanston - Green River | 1967 | Tee Beam | 62 ft | 7,818 | Fair |
| I-80 Ebl over Blacks Fork River No. AOR | Evanston - Green River | 1967 | Stringer/Multi-beam or Girder | 270 ft | 7,818 | Fair |
| I-80 Ebl over Machinery Pass No. AOT | Evanston - Green River | 1967 | Tee Beam | 92 ft | 7,818 | Fair |
| I-80 Ebl over UPRR No. AOV | Evanston - Green River | 1966 | Stringer/Multi-beam or Girder | 248 ft | 7,818 | Fair |
| I-80 Ebl over Swanson Drive No. LYD | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 130 ft | 7,779 | Good |
| I-80 Ebl over 9th Street No. LYF | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 155 ft | 7,779 | Good |
| I-80 Ebl over Machinery Pass No. LYN | Rock Springs Marginal | 2007 | Stringer/Multi-beam or Girder | 130 ft | 7,779 | Good |
| I-80 Wbl over Wyo 374 No. AOM | Evanston - Green River | 1967 | Tee Beam | 120 ft | 7,769 | Fair |
| US 191 over Bitter Creek No. DNR | JCT 1-80 - JCT U-4304 | 1982 | Stringer/Multi-beam or Girder | 66 ft | 7,759 | Fair |
| I-80 Ebl over Wyo 374 No. AOL | Evanston - Green River | 1967 | Tee Beam | 120 ft | 7,546 | Fair |
| I-80 Wbl over Gunn Draw No. AQL | Rock Springs - Rawlins | 1964 | Culvert | 31 ft | 7,425 | Good |
| I-80 Wbl over Dry Lake No. AQP | Rock Springs - Rawlins | 1964 | Culvert | 21 ft | 7,425 | Good |
| I-80 Wbl over Machinery Pass No. AQR | Rock Springs - Rawlins | 1963 | Slab | 61 ft | 7,425 | Fair |
| I-80 Wbl over Wyo 371 No. NCQ | Rock Springs - Rawlins | 2019 | Stringer/Multi-beam or Girder | 125 ft | 7,425 | Good |
| I-80 Wbl over Baxter Road No. NEB | Rock Springs - Rawlins | 2021 | Stringer/Multi-beam or Girder | 145 ft | 7,425 | Good |
| I-80 Ebl over Gunn Draw No. AQK | Rock Springs - Rawlins | 1964 | Culvert | 31 ft | 7,398 | Good |
| I-80 Ebl over Dry Lake No. AQO | Rock Springs - Rawlins | 1964 | Culvert | 21 ft | 7,398 | Good |
| I-80 Ebl over Machinery Pass No. AQQ | Rock Springs - Rawlins | 1963 | Slab | 61 ft | 7,398 | Fair |
| I-80 Ebl over Wyo 371 No. NCP | Rock Springs - Rawlins | 2019 | Stringer/Multi-beam or Girder | 125 ft | 7,398 | Good |
| I-80 Ebl over Baxter Road No. NEA | Rock Springs - Rawlins | 2022 | Stringer/Multi-beam or Girder | 145 ft | 7,398 | Good |
| I-80 Ebl over Machinery Pass No. AOG | Evanston - Green River | 1967 | Tee Beam | 62 ft | 7,357 | Fair |
| I-80 Ebl over Wyo 374 No. AOI | Evanston - Green River | 1967 | Tee Beam | 92 ft | 7,357 | Poor |
| I-80 Wbl over Wyo 377 No. AQZ | Rock Springs - Rawlins | 1964 | Slab | 84 ft | 7,131 | Fair |
| I-80 Wbl over Machinery Pass No. ARD | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 7,131 | Fair |
| I-80 Wbl over Machinery Pass No. ASY | Rock Springs - Rawlins | 1962 | Slab | 61 ft | 7,123 | Fair |
| I-80 Wbl over Filmore Creek No. ATA | Rock Springs - Rawlins | 1962 | Culvert | 42 ft | 7,123 | Fair |
| I-80 Wbl over I-80 Service Road No. ASS | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 7,108 | Fair |
| I-80 Wbl over Piker Springs Creek No. ASU | Rock Springs - Rawlins | 1963 | Culvert | 31 ft | 7,108 | Fair |
| I-80 Wbl over SW CR 47 (riner Road) No. ASW | Rock Springs - Rawlins | 1962 | Slab | 94 ft | 7,108 | Fair |
| I-80 Wbl over Machinery Pass No. AOH | Evanston - Green River | 1967 | Tee Beam | 62 ft | 7,085 | Fair |
| I-80 Wbl over Wyo 374 No. AOJ | Evanston - Green River | 1967 | Tee Beam | 92 ft | 7,085 | Fair |
| I-80 Ebl over Wyo 377 No. AQY | Rock Springs - Rawlins | 1964 | Slab | 84 ft | 6,916 | Poor |
| I-80 Ebl over Machinery Pass No. ARC | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 6,916 | Fair |
| I-80 Ebl over Machinery Pass No. ASX | Rock Springs - Rawlins | 1962 | Slab | 61 ft | 6,863 | Fair |
| I-80 Ebl over Filmore Creek No. ASZ | Rock Springs - Rawlins | 1962 | Culvert | 42 ft | 6,863 | Fair |
| I-80 Wbl over Wyo 789 No. ASQ | Rock Springs - Rawlins | 1962 | Slab | 101 ft | 6,855 | Fair |
| I-80 Ebl over I-80 Service Road No. ASR | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 6,847 | Good |
| I-80 Ebl over Piker Springs Creek No. AST | Rock Springs - Rawlins | 1963 | Culvert | 31 ft | 6,847 | Fair |
| I-80 Ebl over SW CR 47 (riner Road) No. ASV | Rock Springs - Rawlins | 1962 | Slab | 94 ft | 6,847 | Fair |
| I-80 Wbl over Machinery Pass No. ASM | Rock Springs - Rawlins | 1963 | Slab | 70 ft | 6,837 | Fair |
| I-80 Wbl over Continental Divide Intg No. ASO | Rock Springs - Rawlins | 1961 | Slab | 93 ft | 6,837 | Fair |
| I-80 Wbl over Wamsutter-Crooks Gap RD No. LZW | Rock Springs - Rawlins | 2010 | Stringer/Multi-beam or Girder | 145 ft | 6,837 | Fair |
| I-80 Ebl over Wyo 789 No. ASP | Rock Springs - Rawlins | 1962 | Slab | 101 ft | 6,836 | Fair |
| I-80 Ebl over I-80 Service Road No. ARE | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 6,828 | Fair |
| I-80 Ebl over Red Hill Road No. ARG | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,828 | Fair |
| I-80 Ebl over Machinery Pass No. ASL | Rock Springs - Rawlins | 1963 | Slab | 70 ft | 6,814 | Fair |
| I-80 Ebl over Continental Divide Intg No. ASN | Rock Springs - Rawlins | 1961 | Slab | 93 ft | 6,814 | Fair |
| I-80 Ebl over Wamsutter-Crooks Gap RD No. LZV | Rock Springs - Rawlins | 2009 | Stringer/Multi-beam or Girder | 145 ft | 6,814 | Fair |
| I-80 Wbl over I-80 Service Road No. ARF | Rock Springs - Rawlins | 1962 | Slab | 84 ft | 6,781 | Fair |
| I-80 Wbl over Red Hill Road No. ARH | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,781 | Fair |
| I-80 Ebl over SW CR 19 (bitter Creek) No. ARI | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,745 | Fair |
| I-80 Ebl over Machinery Pass No. ARK | Rock Springs - Rawlins | 1960 | Slab | 68 ft | 6,745 | Fair |
| I-80 Ebl over Machinery Pass No. ASD | Rock Springs - Rawlins | 1962 | Slab | 68 ft | 6,708 | Good |
| I-80 Ebl over Kelly Street No. LZT | Rock Springs - Rawlins | 2009 | Stringer/Multi-beam or Girder | 180 ft | 6,708 | Fair |
| I-80 Ebl over Patrick Draw Intg No. ARM | Rock Springs - Rawlins | 1960 | Slab | 93 ft | 6,705 | Fair |
| I-80 Ebl over Machinery Pass No. ARO | Rock Springs - Rawlins | 1960 | Slab | 67 ft | 6,705 | Fair |
| I-80 Ebl over Madison Drive No. ARQ | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,705 | Fair |
| I-80 Wbl over SW CR 19 (bitter Creek) No. ARJ | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,700 | Fair |
| I-80 Wbl over Machinery Pass No. ARL | Rock Springs - Rawlins | 1960 | Slab | 68 ft | 6,700 | Fair |
| I-80 Ebl over Rasmussen Road No. LZR | Rock Springs - Rawlins | 2009 | Stringer/Multi-beam or Girder | 165 ft | 6,693 | Fair |
| I-80 Ebl and Wbl over Unnamed Draw No. MFK | Rock Springs - Rawlins | 1967 | Culvert | 27 ft | 6,693 | Fair |
| I-80 Ebl over SW CR 55 (table Rock Rd) No. ARS | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,690 | Fair |
| I-80 Ebl over SW CR 67 (tipton North) No. ARW | Rock Springs - Rawlins | 1958 | Slab | 80 ft | 6,690 | Fair |
| I-80 Wbl over Machinery Pass No. ASE | Rock Springs - Rawlins | 1962 | Slab | 68 ft | 6,688 | Good |
| I-80 Wbl over Kelly Street No. LZU | Rock Springs - Rawlins | 2010 | Stringer/Multi-beam or Girder | 180 ft | 6,688 | Fair |
| I-80 Ebl over Red Desert Intg No. ARY | Rock Springs - Rawlins | 1958 | Slab | 80 ft | 6,682 | Fair |
| I-80 Wbl over Rasmussen Road No. LZS | Rock Springs - Rawlins | 2010 | Stringer/Multi-beam or Girder | 165 ft | 6,669 | Fair |
| I-80 Wbl over Patrick Draw Intg No. ARN | Rock Springs - Rawlins | 1960 | Slab | 93 ft | 6,660 | Fair |
| I-80 Wbl over Machinery Pass No. ARP | Rock Springs - Rawlins | 1960 | Slab | 67 ft | 6,660 | Fair |
| I-80 Wbl over Madison Drive No. ARR | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,660 | Fair |
| I-80 Wbl over SW CR 21 (bar X Road) No. ART | Rock Springs - Rawlins | 1960 | Slab | 94 ft | 6,655 | Fair |
| I-80 Wbl over SW CR 67 (tipton North) No. ARX | Rock Springs - Rawlins | 1958 | Slab | 80 ft | 6,655 | Fair |
| I-80 Wbl over Red Desert Intg No. ARZ | Rock Springs - Rawlins | 1958 | Slab | 80 ft | 6,653 | Fair |
| I-80 / US 30 Bus over Bitter Creek No. DKE | Rock Springs Bridger Ave | 1981 | Stringer/Multi-beam or Girder | 68 ft | 5,903 | Good |
| 2nd Street over Dead Horse Canyon Creek No. DKG | 2nd Street Rock Springs | 1940 | Culvert | 43 ft | 5,361 | Fair |
| US 191 over I-80 No. MFW | Rock Springs Marginal | 2014 | Stringer/Multi-beam or Girder | 250 ft | 4,777 | Fair |
| Grant Street over Bitter Creek No. MFY | Rock Springs | 2010 | Stringer/Multi-beam or Girder | 119 ft | 4,727 | Fair |
| SW Cnty RD 58 over Killpecker Creek No. MHT | 1 Mile North of Rock Spri | 2009 | Tee Beam | 90 ft | 4,688 | Fair |
| Stagecoach Blvd over Killpecker Creek No. FGA | Rock Springs Streets | 1987 | Stringer/Multi-beam or Girder | 136 ft | 4,084 | Fair |
| US 191 over UPRR No. CWA | JCT I-80 - Utah Line | 1966 | Stringer/Multi-beam or Girder | 131 ft | 3,995 | Fair |
| US 191 over Bitter Creek No. CWB | JCT I-80 - Utah Line | 1966 | Stringer/Multi-beam or Girder | 190 ft | 3,995 | Fair |
| US 191 over Big Sandy River No. BRL | Farson - Pinedale | 1958 | Stringer/Multi-beam or Girder | 124 ft | 3,282 | Fair |
| Wyo 374 over Unnamed Draw No. BKB | JCT I-80 - Green River | 1946 | Culvert | 37 ft | 3,127 | Fair |
| Wyo 374 over UPRR No. BKD | JCT I-80 - Green River | 1946 | Stringer/Multi-beam or Girder | 342 ft | 3,065 | Fair |
| Wyo 374 over I-80 No. CXU | Evanston - Green River | 1967 | Stringer/Multi-beam or Girder | 247 ft | 3,065 | Fair |
| Interchange Road over I-80 No. NDQ | Rock Springs Marginal | 2022 | Stringer/Multi-beam or Girder | 250 ft | 3,037 | Good |
| Wyo 376 over UPRR / Bitter Creek No. DEW | Rock Springs Circumferent | 1981 | Stringer/Multi-beam or Girder | 643 ft | 2,601 | Poor |
| Wyo 374 over Unnamed Draw No. CHM | JCT I-80 - Green River | 1942 | Culvert | 23 ft | 2,401 | Fair |
| Wyo 374 over Grease Wood Draw No. CXV | JCT I-80 - Green River | 1942 | Culvert | 32 ft | 2,401 | Poor |
| Wyo 374 over Green River No. CXW | JCT I-80 - Green River | 1952 | Stringer/Multi-beam or Girder | 340 ft | 2,401 | Good |
| US 191 over Little Sandy River No. BRK | Rock Springs - Farson | 1958 | Stringer/Multi-beam or Girder | 152 ft | 2,354 | Fair |
| SW Cnty RD 51 over Little Bitter Creek No. ETO | 6.5 Mi.Sw of Rock Springs | 1975 | Channel Beam | 88 ft | 2,241 | Poor |
| SW Cnty RD 51 over Sweetwater Creek No. FJL | County Road 51 | 1975 | Channel Beam | 74 ft | 2,241 | Poor |
| Wyo 530 over Blacks Fork River No. CDA | Green River - Utah Line | 1963 | Stringer/Multi-beam or Girder | 408 ft | 2,068 | Good |
| US 191 over Killpecker Creek No. BRJ | Rock Springs - Farson | 1954 | Stringer/Multi-beam or Girder | 153 ft | 2,015 | Fair |
| Wyo 28 over Little Sandy River No. DZW | Farson - JCT US 287 | 1982 | Stringer/Multi-beam or Girder | 104 ft | 1,846 | Fair |
| I-80 Service Road over Alkali Flat No. APT | Rock Springs Sunset DR | 1953 | Culvert | 31 ft | 1,840 | Fair |
| Industrial Drive over Killpecker Creek No. MHG | Rock Springs | 2009 | Stringer/Multi-beam or Girder | 144 ft | 1,808 | Fair |
| Wyo 789 over UPRR No. CLL | Creston JCT - Colo Line | 1965 | Stringer/Multi-beam or Girder | 160 ft | 1,595 | Fair |
| Wyo 376 over Machinery Pass No. DET | Rock Springs Circumferent | 1980 | Stringer/Multi-beam or Girder | 166 ft | 1,550 | Fair |
| Wyo 376 over Wyo 430 No. DEU | Rock Springs Circumferent | 1980 | Stringer/Multi-beam or Girder | 273 ft | 1,550 | Fair |
| US 30 over UPRR No. JBB | Kemmerer-Granger Jct. | 1998 | Stringer/Multi-beam or Girder | 266 ft | 1,508 | Fair |
| US 30 over Blacks Fork River No. JBC | Kemmerer-Granger Jct. | 1998 | Stringer/Multi-beam or Girder | 204 ft | 1,508 | Fair |
| Wyo 370 over UPRR No. DCL | JCT I-80 - East | 1977 | Stringer/Multi-beam or Girder | 191 ft | 1,395 | Good |
| Wyo 370 over Bitter Creek No. EOT | Rock Springs Airport Road | 1984 | Stringer/Multi-beam or Girder | 148 ft | 1,395 | Fair |
| Spring Drive over Killpecker Creek No. ETQ | Rock Springs | 1975 | Stringer/Multi-beam or Girder | 63 ft | 1,230 | Fair |
| Connecticut Ave over Dead Horse Canyon Creek No. KIP | Rock Springs | 1995 | Culvert | 39 ft | 1,165 | Fair |
| Wyo 374 over Blacks Fork River No. BKC | 8 MI E of Little America | 1946 | Stringer/Multi-beam or Girder | 254 ft | 1,126 | Fair |
| Wyo 374 over Unnamed Draw No. DEB | JCT I-80 - Green River | 1942 | Culvert | 27 ft | 1,126 | Fair |
| SW Cnty RD 6 over Green River No. KVI | Oci Chemical Road | 1998 | Stringer/Multi-beam or Girder | 424 ft | 1,054 | Good |
| Wyo 430 over Dead Horse Canyon Creek No. CVV | Rock Springs | 1959 | Culvert | 29 ft | 1,048 | Good |
| Wyo 28 over Eden Canal No. FBD | Farson - Lander Road | 1985 | Stringer/Multi-beam or Girder | 58 ft | 1,016 | Fair |
| Wyo 530 over Henrys Fork River No. CVT | Green River - Utah Line | 1963 | Stringer/Multi-beam or Girder | 203 ft | 1,001 | Good |
| I-80 Ebl on Ramp over I-80 No. IYG | Evanston - Green River | 1992 | Box Beam or Girders - Multiple | 328 ft | 958 | Fair |
| N Street over Bitter Creek No. EPH | Rock Springs Streets | 1976 | Stringer/Multi-beam or Girder | 83 ft | 928 | Poor |
| Scotts Bottom Road over Green River No. MFL | Green River | 2010 | Stringer/Multi-beam or Girder | 245 ft | 770 | Fair |
| Wyo 414 over Burnt Fork Creek No. CGZ | JCT I-80 - Utah Line | 1974 | Culvert | 21 ft | 737 | Good |
| SW Cnty RD 85 over Unnamed Draw No. FOY | 6 MI SE Little America | 1980 | Culvert | 36 ft | 725 | Fair |
| SW Cnty RD 85 over Meadow Springs Draw No. FOZ | 4 MI SE of Little America | 1980 | Tee Beam | 103 ft | 725 | Fair |
| Wyo 530 over Unnamed Draw No. KSW | Green River - Manila | 1996 | Culvert | 24 ft | 679 | Good |
| Wyo 28 over Green River No. FBS | Farson-Fontenelle Road | 1985 | Stringer/Multi-beam or Girder | 326 ft | 572 | Poor |
| Wyo 28 over Big Sandy River No. FFC | Farson-Fontenelle | 1986 | Stringer/Multi-beam or Girder | 250 ft | 572 | Fair |
| Wyo 430 over Salt Wells Creek No. CVW | Rock Springs - Colo Line | 1958 | Stringer/Multi-beam or Girder | 172 ft | 320 | Fair |
| SW Cnty RD 23S over UPRR No. LIY | Wamsutter Streets | 2003 | Stringer/Multi-beam or Girder | 350 ft | 320 | Fair |
| SW Cnty RD 1199 over Greasewood Creek No. FPB | Riovista S-Div Johnson Wy | 1940 | Tee Beam | 34 ft | 259 | Fair |
| S 2nd E Street over Green River No. MBS | Green River Streets | 2007 | Truss - Thru | 113 ft | 259 | Good |
| SW Cnty RD 8 over Green River No. FPT | Fontenelle - Co. Line | 1991 | Stringer/Multi-beam or Girder | 211 ft | 257 | Fair |
| Wyo 430 over North Alkali Creek No. CVX | Rock Springs - Colo Line | 1956 | Stringer/Multi-beam or Girder | 107 ft | 246 | Fair |
| Wyo 430 over South Alkali Creek No. INK | Rock Springs-Hiawatha | 1952 | Culvert | 32 ft | 246 | Fair |
| Wyo 372 over Shute Creek No. NFR | Green River - Fontenelle | 1961 | Culvert | 25 ft | 168 | Good |
| Spruce Street over Blacks Fork River No. FAV | Spruce Street | 1984 | Stringer/Multi-beam or Girder | 145 ft | 120 | Fair |
| Unnamed Road over Unnamed Draw No. MCB | Red Desert Int | 1967 | Culvert | 26 ft | 120 | Good |
| SW Cnty RD 28 Ext. over Means Canal No. MDJ | 9 MI NE of Farson | 2009 | Tee Beam | 60 ft | 120 | Good |
| SW Cnty RD 1 over Henrys Fork River No. LDF | 45 MI SW of Green River | 2005 | Stringer/Multi-beam or Girder | 155 ft | 118 | Good |
| SW Cnty RD 106 over Means Canal No. MDI | 7 MI NE of Farson | 2009 | Tee Beam | 75 ft | 114 | Good |
| SW Cnty RD 62 over Red Creek No. ENX | T12N R105W S15 | 1982 | Stringer/Multi-beam or Girder | 121 ft | 110 | Poor |
| 3318: Shell Creek over Sand Creek No. 000000000L59251 | 15 MI W of Baggs Wy | 2002 | Stringer/Multi-beam or Girder | 182 ft | 100 | Fair |
| Interchange Road over Bitter Creek No. MIE | 2 Miles W of Rock Springs | 1985 | Box Beam or Girders - Multiple | 122 ft | 98 | Fair |
| SW Cnty RD 37 over UPRR No. MVY | .5 Mi. S. of Labarge Int | 2017 | Stringer/Multi-beam or Girder | 150 ft | 87 | Good |
| I-80 Ebl Off Ramp over I-80 No. CWL | Evanston - Green River | 1967 | Box Beam or Girders - Multiple | 270 ft | 66 | Fair |
| SW Cnty RD 19S over Bitter Creek No. EPG | T18N R 99W S10 | 1980 | Culvert | 35 ft | 64 | Good |
| SW Cnty RD 108 over Eden Canal No. LDD | 9 MI NE of Farson | 2001 | Tee Beam | 65 ft | 51 | Good |
| Little Sandy Rec S over Little Sandy Creek No. 0000000L2010307 | 8 MI NE of Farson Wy | 1920 | Truss - Thru | 50 ft | 25 | Fair |
| 4421: Sheeps Trail over Big Sandy River No. 0000000L2014634 | 7 MI SE of Farson Wy | 2014 | Stringer/Multi-beam or Girder | 88 ft | 25 | Good |
| Lucerne over Linwood No. 040101000001047 | .3 MI E JCT WYO-530 | 1963 | Culvert | 30 ft | 20 | Good |
| Gravel Road over Dam Spillway No. 0402-1 | Big Sandy Dam N of Farson | 1952 | Stringer/Multi-beam or Girder | 53 ft | 20 | Good |
| SW Cnty RD 28 over Means Canal No. KIU | 10 Miles N. of Farson | 1996 | Stringer/Multi-beam or Girder | 64 ft | 10 | Fair |
| SW Cnty RD 5 over Big Sandy River No. ETE | 17 Mi. S.W. of Farson | 1960 | Stringer/Multi-beam or Girder | 123 ft | 9 | Poor |
| I-80 Service Road over Unnamed Draw No. KMY | Rawlins West | 1963 | Culvert | 31 ft | 7 | Fair |
| SW Cnty RD 30 over Salt Wells Creek No. LDE | 22 MI SE of Rock Springs | 2009 | Tee Beam | 115 ft | 6 | Good |
Structure types in Sweetwater County
| Stringer/Multi-beam or Girder | 91 | 47.6% |
| Slab | 40 | 20.9% |
| Culvert | 27 | 14.1% |
| Tee Beam | 26 | 13.6% |
| Box Beam or Girders - Multiple | 3 | 1.6% |
| Truss - Thru | 2 | 1.0% |
| Channel Beam | 2 | 1.0% |
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
- Johnson County 204
- Laramie County 255
- Lincoln County 129
- Natrona County 135
- Niobrara County 34
- Park County 187
- Platte County 159
- Sheridan County 170
- Sublette County 110
- Teton County 122
- Uinta County 132
- Washakie County 60
- Weston County 43