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I-93 NB Off Ramp over I-293 EB NH101 EB

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

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

I-93 NB Off Ramp over I-293 EB NH101 EB in Hillsborough County, New Hampshire, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1961 and reconstructed in 2004, making it 64 years old at the 2025 inventory.
It carries about 15,205 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 153 of the 385 inventoried bridges in Hillsborough County rated fair (39.7%); 31 (8.1%) 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 68 ft
Location	.1 Mi E Jct Rte .3
NBI structure number	016101750012100
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Fee Tpk N&S Ramps over Salmon Brook	1955	128,889	Good
Fee Tpk over Greeley Street	1993	78,063	Good
Fee Tpk over Souhegan River	1953	75,081	Good
Fee Tpk over Baboosic Brook	1954	75,081	Good
US 3 Fee Tpk NB over Nashua River	1955	73,979	Fair
US 3 Fee Tpk SB over Nashua River	1959	71,221	Good