Rte 100 over Muscoot Reservoir

Westchester County, New York · rated Good in the 2025 National Bridge Inventory

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

• Rte 100 over Muscoot Reservoir in Westchester County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
• It was built in 1966 and reconstructed in 1993, making it 59 years old at the 2025 inventory.
• It carries about 9,885 vehicles a day (traffic count year 2016).
• Its listed owner is the state highway agency.
• It is one of 174 of the 776 inventoried bridges in Westchester County rated good (22.4%); 83 (10.7%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (41.27164, -73.71275)

Component ratings

Bridge details

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

Busiest bridges in Westchester County

All bridges nearby: Westchester County, NY bridge conditions · every bridge in Westchester County · New York bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.