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M-18 over N Br Cedar River

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

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

M-18 over N Br Cedar River in Gladwin 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 5 (fair condition) on the 0-9 scale.
It was built in 1923 and reconstructed in 1976, making it 102 years old at the 2025 inventory.
It carries about 1,596 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 35 of the 63 inventoried bridges in Gladwin County rated fair (55.6%); 4 (6.3%) 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	Prestressed concrete multiple box beam
Length	about 49 ft
Location	1.6 Mi SE of Skeels
NBI structure number	000000000002878
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
M-18\|m-61\|w Cedar over Cedar Creek	2001	13,231	Fair
M-18 over Tobacco River	1939	6,100	Poor
M-18 over S Br Little Sugar River	1923	5,963	Good
M-18 over Farm Drain	1937	5,052	Fair
M-30 over Tobacco River	2021	4,100	Good
M-30 over Larabee Creek	1977	3,517	Good