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Waterloo Munith Rd over Portage River N Branch

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

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

Waterloo Munith Rd over Portage River N Branch in Jackson 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 1999, making it 26 years old at the 2025 inventory.
It carries about 660 vehicles a day (traffic count year 2000).
Its listed owner is the county highway agency.
It is one of 54 of the 158 inventoried bridges in Jackson County rated good (34.2%); 17 (10.8%) 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 36 ft
Location	3 Mi NW Waterloo
NBI structure number	000000000004506
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Elm Rd over I-94	2022	54,000	Good
Airport Rd over I-94	1958	46,000	Fair
Whipple Rd over I-94	1960	38,000	Fair
Sandstone Rd over I-94	1958	34,000	Fair
I-94 EB over Jail RR & Grand River	2019	33,550	Good
I-94 WB over Jail RR & Grand River	2020	33,550	Good