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County Highway over Pembina River

Pembina 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 Pembina River in Pembina 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1977, making it 48 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 116 of the 203 inventoried bridges in Pembina County rated fair (57.1%); 47 (23.2%) 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 multiple box beam
Length	about 146 ft
Location	4 East of Walhalla
NBI structure number	000000034106060
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate 29 over Drainage Ditch	2021	3,825	Good
Nd Highway 5 over Tongue River	1996	3,640	Fair
Interstate 29 over Legal Drain #64	2023	3,295	Good
Interstate 29 over Drain Ditch #39	1958	2,850	Poor
Nd Highway 66 over I-29/DRAYTON Interchange	1959	1,830	Fair
US 81 & Nd 5 over I-29/JOLIETTE Int	1959	1,830	Fair