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Nd Highway 19 over Big Coulee

Benson County, North Dakota · rated Fair in the 2025 National Bridge Inventory

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

Nd Highway 19 over Big Coulee in Benson County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 350 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 13 of the 40 inventoried bridges in Benson County rated fair (32.5%); 7 (17.5%) 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 80 ft
Location	3 West of Nd 30
NBI structure number	0019118258
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Irrft Nd Hiway 57 over Devils Lake Narrows	1999	4,000	Fair
US Highway 2 over Creek	1984	1,900	Good
US Highway 281 over Creek	2005	1,300	Good
US Highway 281 over Creek	2005	1,300	Good
US Highway 281 over Creek	2006	1,300	Good
Nd Highway 19 over Mauvais Coulee	2001	1,260	Fair