Csah 20 over Co Ditch # 4

Lac qui Parle County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

• Csah 20 over Co Ditch # 4 in Lac qui Parle County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1980, making it 45 years old at the 2025 inventory.
• It carries about 530 vehicles a day (traffic count year 2016).
• Its listed owner is the county highway agency.
• It is one of 34 of the 174 inventoried bridges in Lac qui Parle County rated fair (19.5%); 10 (5.7%) 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 → (45.0077, -95.98122)

Component ratings

Bridge details

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

Busiest bridges in Lac qui Parle County

All bridges nearby: Lac qui Parle County, MN bridge conditions · every bridge in Lac qui Parle County · Minnesota bridges.

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