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Keenan Road over Hunkins Marsh

St. Lawrence County, New York · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (44.92437, -74.67673)

Component ratings

ComponentRating (2025)FHWA scale meaning
Superstructure4Poor condition
Substructure7Good condition

Bridge details

StructureSteel deck arch
Lengthabout 25 ft
Location3 Miles East of Helena
NBI structure number000000002220800
Condition classPoor

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

Busiest bridges in St. Lawrence County

BridgeBuiltVehicles/dayCondition
Rte 11 over Grasse River198115,615Good
Rte 11 over Grasse River198115,615Good
Rte 11 over Raquette River198211,484Good
Rte 37 over Oswegatchie River Trail19589,859Fair
Rte 37 over Rte 970E19589,859Fair
Rte 420 over Raquette River19669,594Fair

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

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