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HomeNew HampshireBelknap County › NH140 over Merrymeeting River

NH140 over Merrymeeting River

Belknap County, New Hampshire · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (43.45442, -71.22779)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck5Fair condition
Superstructure5Fair condition
Substructure6Satisfactory condition

Bridge details

StructureConcrete slab
Lengthabout 26 ft
Location3.1 Mi From Gilmanton Tl
NBI structure number000601710016200
Condition classFair

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

Busiest bridges in Belknap County

BridgeBuiltVehicles/dayCondition
US 3 Nh 11 NH132 over I-93200023,105Good
US 3 Nh 11 NH132 over Gulf Brook193623,105Fair
I-93 SB over NH104 NH132196319,812Fair
NH106 Main St over Winnipesaukee River197018,507Fair
US 3 over Maple St Nhrr194717,943Good
US 3 Nh 11 over Winnisquam Lake197316,322Good

All bridges nearby: Belknap County, NH bridge conditions · every bridge in Belknap County · New Hampshire bridges.

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