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State Route 78 over San Felipe Creek

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

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

State Route 78 over San Felipe Creek 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 deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1950 and reconstructed in 2008, making it 75 years old at the 2025 inventory.
It carries about 1,200 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
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

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