Csah 3 over I 35;RAMP

Carlton County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

• Csah 3 over I 35;RAMP in Carlton County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1982, making it 43 years old at the 2025 inventory.
• It carries about 6,700 vehicles a day (traffic count year 2018).
• Its listed owner is the state highway agency.
• It is one of 63 of the 148 inventoried bridges in Carlton County rated fair (42.6%); 13 (8.8%) 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.

View this bridge on a map → (46.69352, -92.44859)

Component ratings

Bridge details

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

Busiest bridges in Carlton County

All bridges nearby: Carlton County, MN bridge conditions · every bridge in Carlton County · Minnesota bridges.

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