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Bridge conditions in Elko County, Nevada

221 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory

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

5 of the 221 bridges the federal inventory lists in Elko County are rated poor; the rest split 94 good and 122 fair.

5 of the 221 bridges in Elko County, Nevada, are rated in poor condition (2.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
94 bridges (42.5%) are rated good and 122 (55.2%) fair.
The median Elko County bridge was built in 1974.
The busiest poor-rated bridge is Idaho St over Dry Wash (built 1974), carrying about 6,700 vehicles a day.

Good 42.5% · Fair 55.2% · Poor 2.3% of 221 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Idaho St over Dry Wash	1974	6,700	Poor
I 80 over UPRR	1976	3,150	Poor
SR 229/HALLECK Rd over Humboldt River	1965	260	Poor
1096: Marys River over Marys River	1991	30	Poor
Fr EL49 over UPRR	1933	12	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
SR225 Mtn City Hw over I 80	1976	29,800	Good
12th ST over Humboldt Rvr	1979	18,400	Fair
12TH St over Water St Sprr UPRR	1979	18,400	Fair
I 80 over Dry Susie Crk	1976	11,300	Fair
I 80 over Dry Wash	1968	10,400	Fair
I 80 over Marys Crk	1976	9,350	Fair
I 80 over Welcome	1968	8,650	Fair
I 80 over Cross Road	1968	8,650	Fair
I 80 over Cross Road	1963	8,650	Fair
I 80 and Ramps over Dry Wash	1977	8,550	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Nevada: Nevada bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.