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Sth 54-mason St over Lrd Chestnut Ave

Brown County, Wisconsin · rated Fair in the 2025 National Bridge Inventory

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

Sth 54-mason St over Lrd Chestnut Ave in Brown County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 34,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 232 of the 473 inventoried bridges in Brown County rated fair (49.0%); 21 (4.4%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 475 ft
Location	3.0M E Jct Ush 41 to S
NBI structure number	B05013400020000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Sth 172 over Sth57-riverside Dr-fox R	1975	84,700	Fair
Ih 41-sth 32 over Beaver Creek	2012	83,900	Good
Ih 41 over Dutchman CR	2011	83,200	Good
Ih 41 over Beaver Creek	2011	82,500	Good
Ih 41 over Ashwaubenon CR	2012	74,600	Good
Ih 41 over Beaver Creek	2014	69,800	Good