Twin Bridges Road over Roeliff Jansen Overflow

Columbia County, New York · rated Poor in the 2025 National Bridge Inventory

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

• Twin Bridges Road over Roeliff Jansen Overflow in Columbia County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 2 (critical condition) on the 0-9 scale.
• It was built in 1939, making it 86 years old at the 2025 inventory.
• It carries about 487 vehicles a day (traffic count year 2020).
• Its listed owner is the county highway agency.
• It is one of 47 of the 243 inventoried bridges in Columbia County rated poor (19.3%); 47 (19.3%) are rated poor.
• A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

View this bridge on a map → (42.13381, -73.53594)

Component ratings

Bridge details

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

Busiest bridges in Columbia County

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

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