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O&M Service Roads over All-American Canal

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

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

O&M Service Roads over All-American Canal in Imperial County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1935, making it 90 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2012).
It is one of 167 of the 445 inventoried bridges in Imperial County rated fair (37.5%); 35 (7.9%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Concrete stringer or multi-beam girder
Length	about 200 ft
Location	8.3 miles north of Yuma
NBI structure number	0304-0055
Condition class	Fair

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
State Route 111 over All American Canal	1938	29,000	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