Nd Highway 1 over Sheyenne River

Nelson County, North Dakota · rated Poor in the 2025 National Bridge Inventory

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

• Nd Highway 1 over Sheyenne River in Nelson County, North Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
• It was built in 1964, making it 61 years old at the 2025 inventory.
• It carries about 300 vehicles a day (traffic count year 2019).
• Its listed owner is the state highway agency.
• It is one of 4 of the 23 inventoried bridges in Nelson County rated poor (17.4%); 4 (17.4%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

View this bridge on a map → (47.76296, -98.31567)

Component ratings

Bridge details

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

Busiest bridges in Nelson County

All bridges nearby: Nelson County, ND bridge conditions · every bridge in Nelson County · North Dakota bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.