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8th Ave NE over Timber Creek

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

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

8th Ave NE over Timber 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 deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1938, making it 87 years old at the 2025 inventory.
It carries about 10 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 39 ft
Location	7 East 11 North Lemmon Sd
NBI structure number	000000001148130
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