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Wieman Rd over Westside Main Canal

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

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

Wieman Rd over Westside Main 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 5 (fair condition) on the 0-9 scale.
It was built in 1940, making it 85 years old at the 2025 inventory.
It carries about 300 vehicles a day (traffic count year 2016).
Its listed owner is the county 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


Structure	Timber stringer or multi-beam girder
Length	about 29 ft
Location	2.3 Mi S/o SR86 (hoskins)
NBI structure number	58C0179
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