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I-96 WB over Grand River & Market St

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

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

I-96 WB over Grand River & Market St in Ionia 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 5 (fair condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 14,899 vehicles a day (traffic count year 2012).
Its listed owner is the state highway agency.
It is one of 69 of the 118 inventoried bridges in Ionia County rated fair (58.5%); 12 (10.2%) 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	Continuous steel girder and floorbeam
Length	about 416 ft
Location	0.2 Mi W of Portland
NBI structure number	000000000003979
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-96 over Portland Trail	2013	35,000	Good
I-96 over Libhart Creek	1958	33,978	Fair
I-96 EB over Kent Rd	1959	20,074	Fair
I-96 WB over Kent Rd	1959	20,074	Fair
I-96 EB over Okemos Rd	1959	20,074	Fair
I-96 WB over Okemos Rd	1959	20,074	Fair