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37th St SW over Heart River

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

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

37th St SW over Heart River in Stark 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 deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 61 of the 156 inventoried bridges in Stark County rated good (39.1%); 8 (5.1%) 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


Structure	Prestressed concrete single box beam
Length	about 69 ft
Location	2 East Belfield
NBI structure number	000000045104090
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
State Highway 22 over I-94/ND 22 Interchange	1964	19,000	Fair
Nd Highway 22 over Creek	1953	15,940	Fair
Nd Highway 22 over Heart River	1931	9,940	Fair
I-94 Business Loop over Creek	1949	8,690	Fair
Nd Highway 22 over Green River	2012	7,155	Good
Interstate 94 over Co Hwy/zenith Separation	2016	5,205	Good