Home › Michigan › Marquette County › County Rd 480 over L S & I Railroad

County Rd 480 over L S & I Railroad

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

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

County Rd 480 over L S & I Railroad in Marquette County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1968 and reconstructed in 2015, making it 57 years old at the 2025 inventory.
It carries about 4,000 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 59 of the 147 inventoried bridges in Marquette County rated fair (40.1%); 19 (12.9%) 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	Steel stringer or multi-beam girder
Length	about 95 ft
Location	In Negaunee
NBI structure number	000000000006545
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Us-41\|m-28 over Carp River	1936	23,600	Fair
US-41 over Carp Creek	1979	14,675	Good
US-41 over Ls&i RR	1979	13,542	Fair
M-28 over Chocolay River	2005	9,335	Good
US-41 NB over Carp River	1955	8,662	Fair
US-41 SB over Carp River	1958	8,662	Fair