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37TH Ave SE over Creek

Logan County, North Dakota · rated Fair in the 2025 National Bridge Inventory

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

37TH Ave SE over Creek in Logan 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1948, making it 77 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 2 of the 13 inventoried bridges in Logan County rated fair (15.4%); 2 (15.4%) 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	Timber stringer or multi-beam girder
Length	about 34 ft
Location	14 West of Lehr
NBI structure number	000000024113240
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 3 over Mckenna Coulee	1983	700	Good
Nd Highway 3 over Beaver Creek	2024	540	Good
71ST St SE over Beaver Creek	1961	115	Good
71ST St SE over Beaver Creek	1983	48	Good
71ST St SE over Beaver Creek	2018	48	Good
71ST St SE over Beaver Creek	1980	48	Good