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County Highway 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

County Highway 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 substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2018).
Its listed owner is the county 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	Prestressed concrete tee beam
Length	about 29 ft
Location	2 West 1 South Maddock
NBI structure number	000000003113290
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