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Laura Street over Black River

Lewis County, New York · rated Fair in the 2025 National Bridge Inventory

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

Laura Street over Black River in Lewis County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1965, making it 60 years old at the 2025 inventory.
It carries about 1,710 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 84 of the 169 inventoried bridges in Lewis County rated fair (49.7%); 26 (15.4%) 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	Steel stringer or multi-beam girder
Length	about 504 ft
Location	0.36 m E of State Rte 12
NBI structure number	000000003339730
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Rte 12 over Mill Creek	1913	11,108	Fair
East State Street over Mill Creek	1963	6,160	Fair
Rte 12 over Mohawk Adirondack & Nort	1950	5,391	Fair
Rte 12 over Whetstone Creek	1989	5,059	Fair
Rte 12 over Roaring Brook	1989	5,059	Fair
Rte 12 over House Creek	1964	4,976	Good