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M-59 WB over N Br Clinton River

Macomb County, Michigan · rated Good in the 2025 National Bridge Inventory

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

M-59 WB over N Br Clinton River in Macomb County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1996, making it 29 years old at the 2025 inventory.
It carries about 31,800 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 179 of the 417 inventoried bridges in Macomb County rated good (42.9%); 30 (7.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 229 ft
Location	0.7 Mi W of M-97
NBI structure number	000000000006049
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
U Turn @ Augustine over I-696	1972	147,000	Fair
I-94 over 13 Mile Rd	1965	101,088	Fair
I-94 over Little Mack Ave	2002	101,088	Good
I-94 over Masonic Blvd	1965	99,698	Fair
I-94 over 14 Mile Rd	1964	99,698	Fair
I-94 over Quinn Rd	2002	99,698	Fair