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Bridge conditions in Monterey County, California

378 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

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 August 20, 2026.
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.

Every bridge in Monterey County → - all 378, busiest first, each with its own condition record.

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.