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Maple Ridge Road over Rifle River

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

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

Maple Ridge Road over Rifle River in Arenac County, Michigan, 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 1963, making it 62 years old at the 2025 inventory.
It carries about 1,311 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 43 of the 80 inventoried bridges in Arenac County rated fair (53.8%); 12 (15.0%) 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 204 ft
Location	3 Miles East of Alger
NBI structure number	000000000000438
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 Nb\|us-23 NB over Sunsmith Drain	1968	27,470	Fair
US-23\|MAIN St over Middle Br Pine River	1994	14,971	Fair
Sterling Road over I-75 NB	1968	14,350	Poor
I-75 Sb\|us-23 SB over S Br Pine River	1968	13,735	Fair
I-75 Nb\|us-23 NB over S Br Pine River	1968	13,735	Fair
US-23\|W Huron Rd over N Br Pine River	2001	9,170	Good