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Robinson Road over Alamo River

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

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

Robinson Road over Alamo River 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 deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 52 vehicles a day (traffic count year 2022).
Its listed owner is the county 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


Structure	Timber stringer or multi-beam girder
Length	about 121 ft
Location	1.6 Mi W/o SR-115
NBI structure number	58C0128
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
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