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Interstate 94 over Maple River

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

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

Interstate 94 over Maple River in Cass 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 2023, making it 2 years old at the 2025 inventory.
It carries about 8,920 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 198 of the 369 inventoried bridges in Cass County rated good (53.7%); 12 (3.3%) 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 241 ft
Location	6 East of Nd 18
NBI structure number	0094337331 L
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
45TH Street Fargo over I-94/45TH Street Intchg.	1991	50,840	Fair
Ramp to I-94 EB over I-29 I-94	1993	49,800	Fair
Interstate 94 over US 81	1993	49,800	Fair
Interstate 94 over 5TH St Separation	1993	49,800	Fair
Interstate 94 over Interstate 29	2003	48,335	Fair
Interstate 94 over Interstate 29	2003	48,335	Good