Home › Michigan › Oceana County › 104TH Ave over S Branch Pentwater River

104TH Ave over S Branch Pentwater River

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

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

104TH Ave over S Branch 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 culvert, rated 4 (poor condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2005).
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

Component	Rating (2025)	FHWA scale meaning
Culvert	4	Poor condition

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