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Interstate 29 over Legal Drain #64

Pembina County, North Dakota · rated Good in the 2025 National Bridge Inventory

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

Interstate 29 over Legal Drain #64 in Pembina County, North Dakota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 2023, making it 2 years old at the 2025 inventory.
It carries about 3,295 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 40 of the 203 inventoried bridges in Pembina County rated good (19.7%); 47 (23.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	7	Good condition

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 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
Nd Highway 32 over Pembina River	1989	1,680	Good