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Mc Laughlin Drive over Abandoned Quarry Road

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

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

Mc Laughlin Drive over Abandoned Quarry Road in Santa Cruz County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 3,500 vehicles a day (traffic count year 2016).
It is one of 83 of the 194 inventoried bridges in Santa Cruz County rated fair (42.8%); 32 (16.5%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 242 ft
Location	University Ca Santa Cruz
NBI structure number	36I0001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
State Route 1 over Emeline Street	2008	130,000	Fair
Water Street over Branciforte Creek	1924	100,000	Fair
State Route 1 over Soquel Creek Wharf Rd	1947	97,000	Good
State Route 1 over Bay Avenue	1995	97,000	Good
State Route 1 over Market Street	1958	88,000	Good
State Route 1 over Branciforte Creek	1958	88,000	Good