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Csah 15 over Elk River

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

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

Csah 15 over Elk River in Sherburne 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 5 (fair condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 4,450 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 18 of the 48 inventoried bridges in Sherburne County rated fair (37.5%); 1 (2.1%) 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.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 160 ft
Location	0.3 Mi SE of Jct CR 35
NBI structure number	71504
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Th 169 over Main St	2024	45,629	Good
US 169 over US 10; Ramp	2022	45,629	Good
Mn 25 over Mississippi River	1987	40,932	Fair
US 169 over 193RD Ave	2023	31,665	Good
US 10 over Elk River	2017	26,860	Good
US 169 over US 10	1967	23,750	Fair