Bridge conditions in Monterey County, California
378 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
27 of the 378 bridges the federal inventory lists in Monterey County are rated poor; the rest split 215 good and 136 fair.
- 27 of the 378 bridges in Monterey County, California, are rated in poor condition (7.1%) in the 2025 National Bridge Inventory, as of .
- 215 bridges (56.9%) are rated good and 136 (36.0%) fair.
- The median Monterey County bridge was built in 1968.
- The busiest poor-rated bridge is Sanborn Rd over UP RR & Amtrak (built 1948), carrying about 28,392 vehicles a day.
Good 56.9% · Fair 36.0% · Poor 7.1% of 378 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sanborn Rd over UP RR & Amtrak | 1948 | 28,392 | Poor |
| Sanborn Rd over UP RR & Amtrak | 1967 | 28,392 | Poor |
| US Highway 101 SB over Bradley Rd | 1965 | 8,100 | Poor |
| Monte Rd over Salinas River | 1943 | 2,200 | Poor |
| State Route 1 over Limekiln Creek | 1957 | 2,000 | Poor |
| Sargents Road over Pancho Rico Creek | 1935 | 890 | Poor |
| Lockwood San Lucas over Salinas River | 1915 | 530 | Poor |
| Carmel Valley Rd over Tash Creek | 1959 | 290 | Poor |
| Carmel Valley Rd over Paloma Creek | 1959 | 290 | Poor |
| Carmel Valley Rd over Finch Creek | 1963 | 290 | Poor |
| Carmel Valley Rd over Finch Creek | 1947 | 290 | Poor |
| Prkfld Coalinga Rd over Little Cholame Creek | 1971 | 240 | Poor |
| Vineyard Canyon Rd over Cholame Creek | 1950 | 210 | Poor |
| North Fork Road over Lewis Creek | 1948 | 200 | Poor |
| Priest Valley Rd over Lewis Creek | 1948 | 200 | Poor |
| Big Sandy Road over Big Sandy Creek | 1969 | 200 | Poor |
| Parkfld Coalnga Rd over Little Cholame Creek | 1960 | 170 | Poor |
| Lewis Creek Rd over Lewis Creek | 1930 | 150 | Poor |
| Lewis Creek Rd over Lewis Creek | 1947 | 150 | Poor |
| Reliz Cyn Rd over Reliz Creek | 1953 | 150 | Poor |
| Garrapatos Road over Palo Colorado Creek | 1961 | 130 | Poor |
| Main Camp Fire Rd over Big Sur River | 2009 | 100 | Poor |
| Milpitas Road over Drainage San Antonio Riv | 2006 | 10 | Poor |
| Range Road over Drainage San Antonio Riv | 1965 | 10 | Poor |
| Ruby Canyon Road over Drainage Kd Reservoir | 2002 | 1 | Poor |
| Reliz Canyon Rd over Drainage Mission Creek | 1994 | 1 | Poor |
| Palisades Road over Nacimiento River | 1994 | 1 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 1 Abandoned RR over Divarty Street | 1973 | 59,000 | Good |
| U.S. Highway 101 over Elkhorn Slough Tributary | 1930 | 59,000 | Fair |
| US 101 SB S101 Off over Little Bear Creek | 1965 | 49,000 | Good |
| US Highway 101 NB over Little Bear Creek | 1965 | 49,000 | Good |
| US Highway 101 SB over N101-abbott&abbott-s101 | 1954 | 41,000 | Good |
| US Highway 101 SB over Alisal Road | 1954 | 41,000 | Good |
| U.S. Highway 101 over Drainage Canal | 1953 | 41,000 | Good |
| State Route 1 SB over Sloat Avenue | 1968 | 41,000 | Good |
| State Route 1 NB over Sloat Avenue | 1968 | 41,000 | Good |
| Del Monte Blvd over Canyon Del Rey Creek | 1977 | 39,830 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of California: California bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.