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Irrft County Hiway over Creek

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

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

Irrft County Hiway over Creek in Nelson 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 1980, making it 45 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2017).
Its listed owner is the county highway agency.
It is one of 12 of the 23 inventoried bridges in Nelson County rated fair (52.2%); 4 (17.4%) 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 25 ft
Location	4 South 1 West of Tolna
NBI structure number	000000032104300
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US Highway 2 over Bnrr Sep over	2023	1,685	Good
US Highway 2 over Bnrr Sep over	1983	1,455	Fair
Nd Highway 15 over Creek	1931	510	Fair
Nd Highway 1 over Sheyenne River	1964	300	Poor
County Highway over Forest River	1978	166	Fair
County Highway over Sheyenne River	1975	150	Fair