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Nd Highway 1 over Little So. Pembina River

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

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

Nd Highway 1 over Little So. Pembina River in Cavalier 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 5 (fair condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 310 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 31 of the 65 inventoried bridges in Cavalier County rated fair (47.7%); 19 (29.2%) 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 prestressed concrete single box beam
Length	about 120 ft
Location	12 North of Nd 5
NBI structure number	0001226090
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Nd Highway 5 over Creek	1929	1,200	Fair
Nd Highway over Creek	1929	810	Fair
Nd Highway 5 over Tongue River	1974	670	Fair
Nd Highway 5 over Tongue River	1953	630	Fair
Nd Highway 1 over Creek	1931	490	Poor
Nd Highway 66 over North Branch Park River	1963	390	Fair