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State Route 111 over All American Canal

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

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

State Route 111 over All American Canal in Imperial County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
It was built in 1938, making it 87 years old at the 2025 inventory.
It carries about 29,000 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 243 of the 445 inventoried bridges in Imperial County rated good (54.6%); 35 (7.9%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	8	Very good condition


Structure	Continuous concrete culvert
Length	about 32 ft
Location	11-imp-111-r1.69-clx
NBI structure number	58 0024
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Border Crossing (c over New River	2018	29,500	Good
Imperial Avenue over Interstate 8	2022	23,361	Good
Interstate 8 over Araz Wash	1973	20,400	Good
State Route 111 SB over Rockwood Canal	2003	17,580	Good
State Route 111 NB over Rockwood Canal	2003	17,580	Good
Interstate 8 WB over UP RR	1967	17,250	Fair