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County Highway over Drain Ditch

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

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

County Highway over Drain Ditch in Pembina County, North Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 47 of the 203 inventoried bridges in Pembina County rated poor (23.2%); 47 (23.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 64 ft
Location	6 East 4 South of St Thom
NBI structure number	000000034129310
Condition class	Poor

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