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15TH St. NW over Burnt Creek

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

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

15TH St. NW over Burnt Creek in Burleigh 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 1983, making it 42 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 55 of the 113 inventoried bridges in Burleigh County rated fair (48.7%); 3 (2.7%) 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	Prestressed concrete multiple box beam
Length	about 70 ft
Location	6 North 2 West Bismarck
NBI structure number	000000008107290
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US Highway over I-94/STATE Street Int	1965	27,600	Good
I-94 Business Loop over Missouri River	2008	14,700	Fair
Bismarck Expwy. over Missouri River	1985	13,000	Fair
Bis Expwy/cent Dr over I-94/EAST Bismarck Int	1964	11,000	Fair
Divide/tyler Pkwy over Interstate 94	1995	10,500	Fair
Interstate 94 over Washington St Separation	1965	8,850	Fair