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US 60 over McMillen Wash

Gila County, Arizona · rated Fair in the 2025 National Bridge Inventory

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

US 60 over McMillen Wash in Gila County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1937, making it 95 years old at the 2025 inventory.
It carries about 16,297 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 108 of the 259 inventoried bridges in Gila County rated fair (41.7%); 4 (1.5%) 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	Continuous concrete tee beam
Length	about 101 ft
Location	0.2 mi W Jct US 70
NBI structure number	01028
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 60 over Pinal Creek	1920	22,518	Fair
US 60 over Pinal Creek	1942	21,948	Fair
US 60 over Wash	1949	16,468	Fair
US 60 over Wash	1949	16,468	Fair
US 60 over Pinal Creek	1959	16,320	Fair
US 60 over Pinal Creek	1977	16,297	Fair