Csah 52 over Birch Creek

Pine County, Minnesota · rated Good in the 2025 National Bridge Inventory

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

• Csah 52 over Birch Creek in Pine County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
• It was built in 2008, making it 17 years old at the 2025 inventory.
• It carries about 50 vehicles a day (traffic count year 2012).
• Its listed owner is the county highway agency.
• It is one of 110 of the 172 inventoried bridges in Pine County rated good (64.0%); 7 (4.1%) 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 2021, on a 48-month routine inspection cycle.
• 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.

View this bridge on a map → (46.35712, -92.93858)

Component ratings

Bridge details

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

Busiest bridges in Pine County

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

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