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112TH Avenue over No Br Pentwater River

Oceana County, Michigan · rated Poor in the 2025 National Bridge Inventory

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

112TH Avenue over No Br Pentwater River in Oceana County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1988, making it 37 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 1989).
Its listed owner is the county highway agency.
It is one of 5 of the 101 inventoried bridges in Oceana County rated poor (5.0%); 5 (5.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 44 ft
Location	0.3 Mi S of Washington Rd
NBI structure number	000000000008407
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US-31 SB over Grant Road	1975	10,300	Fair
US-31 NB over Grant Road	1975	10,300	Fair
US-31BR over Russell Creek	2020	8,800	Good
US-31 SB over Log Rd & CSX RR (abn)	1975	8,500	Fair
US-31 NB over Log Rd & CSX RR (abn)	1975	8,500	Fair
US-31 SB over Buchanan Road	1975	8,500	Fair