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Nd Highway 8 over Cedar Creek

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

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

Nd Highway 8 over Cedar Creek in Adams 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 2011, making it 14 years old at the 2025 inventory.
It carries about 355 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 16 of the 44 inventoried bridges in Adams County rated good (36.4%); 5 (11.4%) 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	Continuous prestressed concrete single box beam
Length	about 185 ft
Location	11 North Jct. US 12
NBI structure number	0008022723
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Nd Highway 8 over Flat Creek	1959	1,730	Fair
US Highway 12 over Flat Creek	1941	1,370	Fair
US Highway 12 over Creek	2007	1,180	Good
US Highway 12 over Flat Creek	2007	1,180	Good
US Highway 12 over Flat Creek	2007	1,180	Good
US Highway 12 over BNSF Railroad	2000	675	Fair