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Lrd Michigan Stree over Sturgeon Bay

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

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

Lrd Michigan Stree over Sturgeon Bay in Door County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1979, making it 95 years old at the 2025 inventory.
It carries about 8,300 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 17 of the 33 inventoried bridges in Door County rated fair (51.5%); 1 (3.0%) 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

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

Bridge	Built	Vehicles/day	Condition
Sth 42 - Sth 57 over Sturgeon Bay	1978	14,200	Fair
Sth 42 - Sth 57 over Sturgeon Bay	1978	12,500	Fair
Sth 42 - Sth 57 over Sturgeon Bay	1978	12,500	Fair
Sth 42 - Sth 57 over Sturgeon Bay	1978	12,500	Fair
Sth 42 - Sth 57 over Lrd Memorial Dr	1978	12,500	Fair
Sth 57 NB over Fabry CR	2008	11,200	Fair