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Lrd Nelson Rd over Sugar River

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

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

Lrd Nelson Rd over Sugar River in Rock County, Wisconsin, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 119 vehicles a day (traffic count year 2024).
Its listed owner is a town or township highway agency.
It is one of 13 of the 304 inventoried bridges in Rock County rated poor (4.3%); 13 (4.3%) 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 270 ft
Location	2.6M S Jct Sth 81
NBI structure number	B53002300000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Ih 39 /ih 90 over Br Rock River	2018	57,700	Good
Ih 39 SB / Ih 90 E over Spring Brook / Spring Br	2019	38,500	Good
Ih 39 NB / Ih 90 W over Spring Brook / Spring Br	2018	38,500	Good
Ih 39 SB / Ih 90 E over Cth O	2003	32,550	Good
Ih 39 NB/90 WB over Cth O/ East Delavan Road	2004	32,550	Good
Ih 39 SB / Ih 90 E over Cnw RR	2019	32,550	Good