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Old Yosemite Road over North Fork Merced River

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

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

Old Yosemite Road over North Fork Merced River in Mariposa 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 5 (fair condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 190 vehicles a day (traffic count year 2004).
Its listed owner is the county highway agency.
It is one of 77 of the 109 inventoried bridges in Mariposa County rated fair (70.6%); 12 (11.0%) 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 60 ft
Location	1.3 Mi East Jordan Crk Rd
NBI structure number	40C0044
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 140 over Mariposa Creek	1932	10,800	Fair
State Route 49 over Stockton Creek	1967	7,900	Fair
State Route 49 over Mariposa Creek	1942	6,600	Fair
State Route 140 over Miles Creek	1916	4,650	Fair
State Route 140 over Miles Creek	1929	4,650	Fair
State Route 140 over Miles Creek	1928	4,650	Fair