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I-93 SB over NH111

Rockingham County, New Hampshire · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (42.80914, -71.27259)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck88Very good condition
Superstructure88Very good condition
Substructure88Very good condition

Bridge details

StructureContinuous steel stringer or multi-beam girder
Lengthabout 409 ft
Location3 Mi South of Derry Tl
NBI structure number028001370010200
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)May 2023
Inspection interval (item 91)24 months
Scour (item 113)N: not over a waterway

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

Busiest bridges in Rockingham County

BridgeBuiltVehicles/dayCondition
I-95 over Access Road195086,429Fair
I-95 over Maplewood Avenue197076,465Fair
I-95 over Preble Way CSX197174,766Fair
I-95 over Piscataqua River197174,766Fair
I-95 over Market Street197070,573Good
US 4 Nh 16 Sp Tpk over Shawayttuck198368,236Good

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

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