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Tungsten Rd over Humboldt Rvr

Pershing County, Nevada · rated Fair in the 2025 National Bridge Inventory

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

Tungsten Rd over Humboldt Rvr in Pershing County, Nevada, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2001, making it 24 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2017).
Its listed owner is the county highway agency.
It is one of 30 of the 53 inventoried bridges in Pershing County rated fair (56.6%); 0 (0.0%) 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 single box beam
Length	about 109 ft
Location	North of Mill City
NBI structure number	B 572
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 80 over Torey Wash	1961	10,500	Fair
I 80 over Dry Wash	1965	6,350	Fair
I 80 over Dry Wash	1965	6,350	Fair
I 80E over Humboldt Rvr Glenn Ln	1976	5,400	Good
I 80W over Humboldt Rvr	1976	5,400	Good
I 80 over Fairview Ditch	1977	5,400	Fair