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M-55 over Rifle River

Ogemaw County, Michigan · rated Fair in the 2025 National Bridge Inventory

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

M-55 over Rifle River in Ogemaw County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1937 and reconstructed in 1992, making it 88 years old at the 2025 inventory.
It carries about 6,120 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 23 of the 31 inventoried bridges in Ogemaw County rated fair (74.2%); 1 (3.2%) 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	Steel stringer or multi-beam girder
Length	about 160 ft
Location	2.3 Mi E of M-33
NBI structure number	000000000008415
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-75 Bl\|county 23 over Ogemaw Creek	1932	13,157	Fair
I-75 SB over M-55	1972	7,700	Fair
I-75 NB over M-55	1972	7,700	Fair
I-75 NB over Ski Park Rd	1972	7,368	Fair
I-75 SB over Ski Park Rd	1972	7,368	Fair
I-75 SB over I-75 Bl\|cook Rd	1972	6,301	Fair