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120TH Ave SW over Cedar Creek

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

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

120TH Ave SW over Cedar Creek in Adams 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 5 (fair condition) on the 0-9 scale.
It was built in 1931, making it 94 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 23 of the 44 inventoried bridges in Adams County rated fair (52.3%); 5 (11.4%) 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	Steel stringer or multi-beam girder
Length	about 75 ft
Location	12 North of Reeder
NBI structure number	000000001104010
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 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