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Sam Jones Road over San Antonio River

Monterey County, California · rated Fair in the 2025 National Bridge Inventory

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

Sam Jones Road over San Antonio River in Monterey County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1968 and reconstructed in 2005, making it 57 years old at the 2025 inventory.
It carries about 8 vehicles a day (traffic count year 2021).
It is one of 136 of the 378 inventoried bridges in Monterey County rated fair (36.0%); 27 (7.1%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 301 ft
Location	W Tule Airstrip Sec 22/25
NBI structure number	DAPFORLIG000763
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

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