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64th AVE SW over Antelope Creek

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

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

64th AVE SW over Antelope Creek in Grant 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 superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1948, making it 77 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 30 of the 59 inventoried bridges in Grant County rated fair (50.8%); 6 (10.2%) 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	Timber stringer or multi-beam girder
Length	about 27 ft
Location	2 North 4 East of Elgin
NBI structure number	000000019116190
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 over Creek	1950	950	Fair
Nd Highway over Branch-antelope Creek	1952	700	Fair
Nd Highway 21 over Creek	1994	590	Fair
Nd Highway 49 over Antelope Creek	1988	580	Good
Nd Highway 31 over Dogtooth Creek	2024	420	Good
Nd Highway 49 over Cannonball River	1970	420	Fair