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I-96 WB over Portland Rd

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

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

I-96 WB over Portland Rd in Ionia County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 19,963 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 12 of the 118 inventoried bridges in Ionia County rated poor (10.2%); 12 (10.2%) 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


Structure	Continuous concrete tee beam
Length	about 140 ft
Location	6.0 Mi E of M-66
NBI structure number	000000000003989
Condition class	Poor

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