Bridge conditions in San Benito County, California
76 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 76 bridges in San Benito County: 35 rated good, 34 fair, and 7 poor.
- 7 of the 76 bridges in San Benito County, California, are rated in poor condition (9.2%) in the 2025 National Bridge Inventory, as of .
- 35 bridges (46.1%) are rated good and 34 (44.7%) fair.
- The median San Benito County bridge was built in 1967.
- The busiest poor-rated bridge is State Route 25 over Pajaro River (built 1951), carrying about 18,000 vehicles a day.
Good 46.1% · Fair 44.7% · Poor 9.2% of 76 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 |
|---|---|---|---|
| State Route 25 over Pajaro River | 1951 | 18,000 | Poor |
| Union Road over San Benito River | 1959 | 11,000 | Poor |
| Shore Road over Tequisquita Creek | 1948 | 6,500 | Poor |
| San Felipe Road over Tequisquita Slough | 1952 | 2,760 | Poor |
| Panoche Road over Tres Pinos Creek | 1963 | 800 | Poor |
| Panoche Road over Los Aguilas Creek | 1947 | 800 | Poor |
| Limekiln Road over Pescadero Creek | 1980 | 500 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Lomerias Rd over U.S. Highway 101 | 1969 | 52,500 | Fair |
| U.S. Highway 101 over San Juan Creek | 1931 | 51,000 | Good |
| US Highway 101 SB over Anzar Road | 1972 | 32,000 | Good |
| State Route 156 over San Juan Creek | 1961 | 26,000 | Fair |
| US Highway 101 SB over San Benito River | 1932 | 25,500 | Fair |
| US Highway 101 NB over San Benito River | 1951 | 25,500 | Fair |
| US Highway 101 NB over Anzar Road | 1972 | 25,500 | Fair |
| State Route 25 over Pajaro River | 1951 | 18,000 | Poor |
| State Route 156 over San Benito River | 1997 | 17,600 | Good |
| State Route 156 over UP RR Branch | 1997 | 13,800 | 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.