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I-94 Bl & M-37 over I-94

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

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

I-94 Bl & M-37 over I-94 in Calhoun County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2015, making it 10 years old at the 2025 inventory.
It carries about 121,987 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 133 of the 213 inventoried bridges in Calhoun County rated fair (62.4%); 37 (17.4%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 256 ft
Location	0.1 Mi E of Kalamazoo Col
NBI structure number	000000000001248
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-94 EB over Riverside Drive	2009	25,840	Fair
I-94 WB over Riverside Drive	2009	25,840	Fair
I-194 over Kalamazoo River	1966	24,600	Fair
I-194 over Gtw RR	1966	24,600	Fair
I-194 over Conrail (abn)	1966	24,600	Fair
I-194 over I-94 Bl (dickman Road)	1966	24,600	Fair