Home › Wisconsin › Grant County › Cth G over Blue River

Cth G over Blue River

Grant County, Wisconsin · rated Poor in the 2025 National Bridge Inventory

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

Cth G over Blue River in Grant County, Wisconsin, 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 1950, making it 75 years old at the 2025 inventory.
It carries about 470 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 16 of the 381 inventoried bridges in Grant County rated poor (4.2%); 16 (4.2%) 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 steel stringer or multi-beam girder
Length	about 147 ft
Location	0.3M W Jct Cth Q
NBI structure number	B22001300000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Ush 61/151 Sb-sth over Ush 61/151 NB on Ramp (E	2015	15,500	Good
Ush 61-ush 151 over Mississippi River 01	1982	12,700	Fair
Ush 151 over Roundtree Branch Creek	2005	9,495	Good
Ush 151 NB over Lrd Mc Adam Rd	2005	8,100	Good
Ush 151 SB over Lrd Mc Adam Rd	2005	8,100	Good
Ush 151 NB over Mcadam Br	2006	8,100	Good