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Roepke Road over Portage River

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

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

Roepke Road over Portage River in Livingston 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 2005, making it 20 years old at the 2025 inventory.
It carries about 130 vehicles a day (traffic count year 2012).
Its listed owner is the county highway agency.
It is one of 47 of the 165 inventoried bridges in Livingston County rated good (28.5%); 23 (13.9%) 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 40 ft
Location	Sec 34 Unadilla Twp
NBI structure number	000000000005895
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 EB Cd over US-23 NB	2016	516,020	Good
US-23 over M-36	1960	64,800	Poor
I-96 WB Cd over US-23 SB	2016	51,600	Good
I-96 WB over US-23 SB	2015	51,600	Fair
I-96 EB over US-23 NB	2015	51,600	Fair
I-96 WB over US-23 NB	2015	51,600	Fair