Home › North Dakota › Walsh County › County Highway over I-29/MINTO Interchan

County Highway over I-29/MINTO Interchange

Walsh 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 I-29/MINTO Interchange in Walsh 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 superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1971 and reconstructed in 2024, making it 54 years old at the 2025 inventory.
It carries about 220 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 135 of the 257 inventoried bridges in Walsh County rated fair (52.5%); 54 (21.0%) 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 steel stringer or multi-beam girder
Length	about 234 ft
Location	7 North Nd 54
NBI structure number	0029167722
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 17 over Creek	1981	3,870	Good
Nd Highway 17 over Drain	2018	3,870	Good
US Highway 81 over Park River	1971	3,270	Fair
US Highway 81 over Grafton Flood Deversion	2018	3,270	Good
US Highway 81 over Drainage Ditch	1995	2,550	Good
US Highway 81 over Creek	1951	2,490	Fair