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Chuckwalla Vly Rd over Tarantula Ditch

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

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

Chuckwalla Vly Rd over Tarantula Ditch in Riverside County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1931 and reconstructed in 1944, making it 94 years old at the 2025 inventory.
It carries about 40 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 18 of the 1,120 inventoried bridges in Riverside County rated poor (1.6%); 18 (1.6%) 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	Timber stringer or multi-beam girder
Length	about 41 ft
Location	1.5 Mi E/o Corn Sprngs Rd
NBI structure number	56C0103
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
State Route 91 over BNSF Ry Amtrak Metrolink	1970	270,000	Fair
State Route 91 over Serfas Drive	1970	269,000	Good
Route 91 over Buena Vista Avenue	1961	268,000	Fair
State Route 91 over E91-n71 Connctr (future)	1970	267,000	Good
State Route 91 over Coal Canyon	1970	264,000	Good
State Route 91 over State Route 71	1970	264,000	Good