M-43 over Coldwater River

Barry County, Michigan · rated Good in the 2025 National Bridge Inventory

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

• M-43 over Coldwater River in Barry County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
• It was built in 2024, making it 1 years old at the 2025 inventory.
• It carries about 2,375 vehicles a day (traffic count year 2024).
• Its listed owner is the state highway agency.
• It is one of 19 of the 69 inventoried bridges in Barry County rated good (27.5%); 15 (21.7%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It was rated poor in the 2024 inventory and is now good (deck 6 to 9, superstructure 3 to 9, substructure 3 to 9).
• Its most recent inspection on record is dated November 2024, on a 6-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (42.72657, -85.25546)

Component ratings

Bridge details

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

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