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Sunfield Highway over Libhart Creek

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

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

Sunfield Highway over Libhart Creek in Ionia 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 7 (good condition) on the 0-9 scale.
It was built in 1986, making it 39 years old at the 2025 inventory.
It carries about 134 vehicles a day (traffic count year 2007).
Its listed owner is the county highway agency.
It is one of 37 of the 118 inventoried bridges in Ionia County rated good (31.4%); 12 (10.2%) 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 multiple box beam
Length	about 53 ft
Location	2.5 Mi S of Ionia & 4MI E
NBI structure number	000000000004042
Condition class	Good

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