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I-75 NB over Muddy Creek

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

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

I-75 NB over Muddy Creek in Monroe 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 8 (very good condition) on the 0-9 scale.
It was built in 2023, making it 2 years old at the 2025 inventory.
It carries about 30,215 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 93 of the 299 inventoried bridges in Monroe County rated good (31.1%); 40 (13.4%) are rated poor.
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.

Component ratings


Structure	Prestressed concrete single box beam
Length	about 76 ft
Location	7.7 Mi NE Ohio State Line
NBI structure number	000000000007160
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-75 over Conrail Raisin R Front	1955	67,800	Poor
I-75 over NS & Cn Railroad	1956	65,200	Good
I-75 over Norfolk Southern RR	1955	65,200	Fair
I-75 over Sandy Creek Rd	1955	65,200	Fair
I-75 over Paper Co Water Mains	1955	63,962	Fair
I-75 over Norfolk Southern RR	1955	63,962	Fair