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County Highway over Little Muddy River

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

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

County Highway over Little Muddy River in Williams 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 2000, making it 25 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 39 of the 99 inventoried bridges in Williams County rated fair (39.4%); 23 (23.2%) 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 stringer or multi-beam girder
Length	about 107 ft
Location	1 East 10 North Williston
NBI structure number	000000053122220
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 2 over 18 th ST W	2014	22,230	Good
US Highway 2 over Creek	2017	21,780	Good
US Highway 2 over Creek	1955	9,520	Good
11TH St West over Sand Creek	2015	7,110	Good
US Highway 85 over Creek	2017	6,440	Good
US Highway 85 over Camp Creek	2012	6,440	Good