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State Route 111 over Fir Ditch

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

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

State Route 111 over Fir 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 culvert, rated 4 (poor condition) on the 0-9 scale.
It was built in 1951 and reconstructed in 1997, making it 74 years old at the 2025 inventory.
It carries about 5,500 vehicles a day (traffic count year 2017).
Its listed owner is the state 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

Component	Rating (2025)	FHWA scale meaning
Culvert	4	Poor condition


Structure	Continuous concrete culvert
Length	about 38 ft
Location	08-riv-111-9.54
NBI structure number	56 0287
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