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Stonehill Drive over BNSF Ry Amtrak Metrolink

Orange County, California · rated Good in the 2025 National Bridge Inventory

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

Stonehill Drive over BNSF Ry Amtrak Metrolink in Orange County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 30,000 vehicles a day (traffic count year 2017).
Its listed owner is a city or municipal highway agency.
It is one of 669 of the 1,181 inventoried bridges in Orange County rated good (56.6%); 33 (2.8%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 234 ft
Location	0.1 M/ W/o Camino Cpstrno
NBI structure number	55C0608
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Interstate 405 over Bolsa Chica Ditch	1959	374,000	Fair
Route 5 over Route 55	1955	329,500	Fair
Interstate 5 over La Paz Rd	1959	327,000	Fair
Interstate 5 over Red Hill Ave	1992	324,300	Fair
State Route 91 over Patt Drain #4	1959	319,000	Good
State Route 91 over Patt Drain #5	1959	319,000	Good