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Csah 43 over Platte River

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

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

Csah 43 over Platte River in Morrison County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2015, making it 10 years old at the 2025 inventory.
It carries about 435 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 99 of the 164 inventoried bridges in Morrison County rated good (60.4%); 5 (3.0%) are rated poor.
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.

Component ratings


Structure	Concrete stringer or multi-beam girder
Length	about 117 ft
Location	0.2 Mi E of Jct Csah 45
NBI structure number	49555
Condition class	Good

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