DANIEL WEBSTER HWY
Carrying DANIEL WEBSTER HWY over NASHUA RIVER
0.02 MI FROM PEARSON AVE, Hillsborough, New Hampshire
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: DANIEL WEBSTER HWY
The DANIEL WEBSTER HWY bridge in Hillsborough, New Hampshire carries DANIEL WEBSTER HWY over NASHUA RIVER. It was built in 1925, making it 101 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 48.2 meters (158 feet) end to end. Daily traffic averages 16,408 vehicles, placing it in the heavily-trafficked tier of New Hampshire bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 19.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How DANIEL WEBSTER HWY compares
Live comparison across New Hampshire.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1925
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 48.2 m (158 ft)
- Deck Width
- 32.9 m (108 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 16,408 vehicles/day
- Structure Number
- 017701270011500
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether DANIEL WEBSTER HWY is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare DANIEL WEBSTER HWY against other structures in Hillsborough and across New Hampshire. New Hampshire bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for DANIEL WEBSTER HWY?
DANIEL WEBSTER HWY in Hillsborough, New Hampshire has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is DANIEL WEBSTER HWY inspected?
DANIEL WEBSTER HWY's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 16,408 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. DANIEL WEBSTER HWY is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for DANIEL WEBSTER HWY?
DANIEL WEBSTER HWY has an NBI inventory load rating of 19.2 metric tons.
Who is responsible for maintaining DANIEL WEBSTER HWY?
DANIEL WEBSTER HWY is owned and maintained by City/Municipal Highway Agency.
How old is DANIEL WEBSTER HWY and does age affect safety?
DANIEL WEBSTER HWY was built in 1925, making it 101 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.