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Nd Highway 20 over Cypress Creek

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 20 over Cypress Creek 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 1974, making it 51 years old at the 2025 inventory.
It carries about 60 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	Prestressed concrete single box beam
Length	about 64 ft
Location	2 South Canadian Border
NBI structure number	0020168931
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