Monterey County Bridge Report Card
Monterey County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Monterey County, California
Monterey County has 378 bridges in the National Bridge Inventory, with 27 rated poor and 1 rated scour-critical. Its poor-condition share of 7.1% is above the 4.9% statewide average. Poor-condition bridges carry about 73,587 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Monterey County a Bridge Condition Exposure Score of 80/100 (B). The county has 378 bridges in the National Bridge Inventory, including 27 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 73,587 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 | 7.1% | 14.3 |
| Poor-condition traffic exposure | 25 | 2.1% of measured traffic | 1.6 |
| Scour-critical bridge share | 20 | 0.3% | 0.5 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.2 |
| Traffic-data completeness | 5 | 3,457,557 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 | 7.1% |
| State Poor-Condition Share | 4.9% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.3% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 73,587 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Monterey County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Sanborn RD over Up Rr & Amtrak | Poor condition + traffic exposure | Poor | 28,392 | 1948 |
| Sanborn RD over Up Rr & Amtrak | Poor condition + traffic exposure | Poor | 28,392 | 1967 |
| US Highway 101 SB over Bradley RD | Poor condition + traffic exposure | Poor | 8,100 | 1965 |
| Monte RD over Salinas River | Poor condition + traffic exposure | Poor | 2,200 | 1943 |
| State Route 1 over Limekiln Creek | Poor condition + traffic exposure | Poor | 2,000 | 1957 |
| Sargents Road over Pancho Rico Creek | Poor condition + traffic exposure | Poor | 890 | 1935 |
| Lockwood San Lucas over Salinas River | Poor condition + traffic exposure | Poor | 530 | 1915 |
| Carmel Valley RD over Finch Creek | Poor condition + traffic exposure | Poor | 290 | 1947 |
| Carmel Valley RD over Tash Creek | Poor condition + traffic exposure | Poor | 290 | 1959 |
| Carmel Valley RD over Paloma Creek | Poor condition + traffic exposure | Poor | 290 | 1959 |
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.