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Csah 35 over Platte River

Morrison County, Minnesota · rated Poor in the 2025 National Bridge Inventory

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

Csah 35 over Platte River in Morrison County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 330 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 5 of the 164 inventoried bridges in Morrison County rated poor (3.0%); 5 (3.0%) are rated poor.
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.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 200 ft
Location	0.1 Mi E of Jct CR 256
NBI structure number	49510
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Mn 27 over Mississippi River	1941	14,200	Fair
Mn 371 over Fletcher Creek	2005	12,900	Fair
US 10 over BNSF RR; Csah 76	1974	11,000	Fair
US 10 over Mississippi River	1973	11,000	Fair
US 10 over Miss. River Back Channel	2010	11,000	Good
US 10 over Mn 27	1973	10,376	Good