El Dorado County Bridge Report Card
El Dorado County scores 82 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
El Dorado County, California
El Dorado County has 192 bridges in the National Bridge Inventory, with 11 rated poor and 2 rated scour-critical. Its poor-condition share of 5.7% is above the 4.9% statewide average. Poor-condition bridges carry about 58,193 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives El Dorado County a Bridge Condition Exposure Score of 82/100 (B). The county has 192 bridges in the National Bridge Inventory, including 11 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 58,193 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 5.7% | 11.5 |
| Poor-condition traffic exposure | 25 | 3.9% of measured traffic | 3.0 |
| Scour-critical bridge share | 20 | 1.0% | 2.1 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.1 |
| Traffic-data completeness | 5 | 1,473,515 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 | 5.7% |
| State Poor-Condition Share | 4.9% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.0% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 58,193 vehicles/day |
Bridges to Watch
Top Bridges to Watch in El Dorado County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| U.s. Highway 50 over Snow Road | Poor condition + traffic exposure | Poor | 20,300 | 1957 |
| U.s. Highway 50 over South Fork American Riv | Poor condition + traffic exposure | Poor | 13,100 | 1990 |
| U.s. Highway 50 over South Fork American Riv | Poor condition + traffic exposure | Poor | 13,100 | 1990 |
| Newtown Road over U.s. Highway 50 | Poor condition + traffic exposure | Poor | 5,000 | 1961 |
| Grizzly Flat Road over Steely Fk Cosumnes River | Poor condition + traffic exposure | Poor | 2,080 | 1936 |
| Garden Valley RD over Johntown Creek | Poor condition + traffic exposure | Poor | 1,391 | 1928 |
| Mosquito RD over South Fk American River | Poor condition + traffic exposure | Poor | 1,055 | 1939 |
| Greenwood Road over North Brnch Greenwood CR | Poor condition + traffic exposure | Poor | 962 | 1927 |
| Consumnes Mine RD over North Fk Cosumnes River | Poor condition + traffic exposure | Poor | 950 | 1958 |
| Breedlove Road over Canyon Creek | Poor condition + traffic exposure | Poor | 250 | 1940 |
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.