Sweetwater County Bridge Report Card

Sweetwater County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B80 / 100

Local infrastructure snapshot

Sweetwater County, Wyoming

Sweetwater County has 191 bridges in the National Bridge Inventory, with 14 rated poor and 0 rated scour-critical. Its poor-condition share of 7.3% is above the 7.1% statewide average. Poor-condition bridges carry about 63,050 daily vehicle crossings.

191Total Bridges

14Poor (7.3%)

129Fair (67.5%)

0Scour-Critical

Quote-Ready Local Facts

7.3%of county bridges are in poor condition, compared with 7.1% statewide and 6.7% nationally.

63,050daily vehicle crossings are on poor-condition bridges in the county.

0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sweetwater County a Bridge Condition Exposure Score of 80/100 (B). The county has 191 bridges in the National Bridge Inventory, including 14 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 63,050 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	7.3%	14.7
Poor-condition traffic exposure	25	6.2% of measured traffic	4.6
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	49 years vs 48 nationally	0.6
Traffic-data completeness	5	1,019,740 measured daily crossings	0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share	7.3%
State Poor-Condition Share	7.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	63,050 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeWyo 530 Sbl over Uprr / I-80 Bus — 9,974 vehicles/day Oldest Listed BridgeLittle Sandy Rec S over Little Sandy Creek — built in 1920 All County BridgesBrowse every bridge record in Sweetwater County.

Top Bridges to Watch in Sweetwater County

Bridge	Reason	Condition	Daily Traffic	Year Built
Wyo 530 Sbl over Uprr / I-80 Bus	Poor condition + traffic exposure	Poor	9,974	1978
Wyo 530 Nbl over Uprr / I-80 Bus	Poor condition + traffic exposure	Poor	9,974	1994
Wyo 530 Sbl over Green River	Poor condition + traffic exposure	Poor	9,814	1982
I-80 Ebl over SW CR 53 (white Mtn Rd)	Poor condition + traffic exposure	Poor	7,912	1966
I-80 Ebl over Wyo 374	Poor condition + traffic exposure	Poor	7,357	1967
I-80 Ebl over Wyo 377	Poor condition + traffic exposure	Poor	6,916	1964
Wyo 376 over Uprr / Bitter Creek	Poor condition + traffic exposure	Poor	2,601	1981
Wyo 374 over Grease Wood Draw	Poor condition + traffic exposure	Poor	2,401	1942
SW Cnty RD 51 over Little Bitter Creek	Poor condition + traffic exposure	Poor	2,241	1975
SW Cnty RD 51 over Sweetwater Creek	Poor condition + traffic exposure	Poor	2,241	1975

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.