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Madera Road over UP RR Amtrak Metrolink

Ventura County, California · rated Poor in the 2025 National Bridge Inventory

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

Madera Road over UP RR Amtrak Metrolink in Ventura County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 33,000 vehicles a day (traffic count year 2019).
Its listed owner is a city or municipal highway agency.
It is one of 12 of the 501 inventoried bridges in Ventura County rated poor (2.4%); 12 (2.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous concrete multiple box beam
Length	about 165 ft
Location	0.3 Mi S of State Rte 118
NBI structure number	52C0150
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
U.S. Highway 101 over Hampshire Rd	1966	193,000	Fair
U.S. Highway 101 over Conejo School Rd	1966	193,000	Fair
U.S. Highway 101 over Rancho Rd	1970	193,000	Good
U.S. Highway 101 over S101-n23 Connector Ramp	1970	193,000	Good
U.S. Highway 101 over Moorpark Rd	1962	192,000	Fair
U.S. Highway 101 over Hillside	1982	192,000	Good