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US 70 over Railroad Wash

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

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

US 70 over Railroad Wash in Greenlee County, Arizona, 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 1966, making it 59 years old at the 2025 inventory.
It carries about 1,056 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 48 of the 91 inventoried bridges in Greenlee County rated fair (52.7%); 3 (3.3%) 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	Prestressed concrete multiple box beam
Length	about 85 ft
Location	3.0 mi E Jct SR 75
NBI structure number	00886
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 191 over San Francisco River	2012	8,042	Good
US 191 over Chase Creek No 1	1948	7,602	Fair
US 191 over Ward Canyon	2002	7,602	Good
US 191 over Railroad	2003	7,602	Good
US 191 NB over Niger Canyon	1942	5,190	Fair
US 191 SB over Rattlesnake Canyon	1942	5,190	Fair