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Sth 33 over Milwaukee River

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

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

Sth 33 over Milwaukee River in Washington 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 1981, making it 44 years old at the 2025 inventory.
It carries about 7,600 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 83 of the 164 inventoried bridges in Washington County rated fair (50.6%); 13 (7.9%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 145 ft
Location	0.2 Mi E Jct Cth M
NBI structure number	B66009300000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 41-ush 45 over Br Cedar Creek	1970	63,100	Fair
Ih 41 Sb-ush 45 SB over Wis & Southern RR	1952	43,700	Fair
Ih 41/USH 45 NB over Menomonee River	2015	40,900	Good
Ih 41/USH 45 SB over Menomonee River	2015	40,900	Good
Ih 41 over Br Cedar Creek	1975	36,800	Fair
Ih I-41/USH 41/USH over Wisc & Southern RR	1952	35,400	Fair