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U.S. Highway 101 over Elkhorn Slough Tributary

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

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

U.S. Highway 101 over Elkhorn Slough Tributary 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 culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 2014, making it 95 years old at the 2025 inventory.
It carries about 59,000 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 28 ft
Location	05-mon-101-100.95
NBI structure number	44 0292
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
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