FHWA NBI 2024 Inspection record Public-domain dataset

NH101A BP,SOMERSET

Carrying NH101A BP,SOMERSET over FEE TPK

1.3 MI FR MERRIMACK TL, Hillsborough, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: NH101A BP,SOMERSET

The NH101A BP,SOMERSET bridge in Hillsborough, New Hampshire carries NH101A BP,SOMERSET over FEE TPK. It was built in 1989, making it 37 years old today. The structure is built primarily of steel continuous. Daily traffic averages 111,000 vehicles, placing it in the heavily-trafficked tier of New Hampshire bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How NH101A BP,SOMERSET compares

385
Bridges in Hillsborough · 30 in Poor condition

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
99.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
15.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1989
Material
Steel Continuous
Avg Daily Traffic
111,000 vehicles/day
Structure Number
017700970015200

How to read this record

This page shows what the last federal inspection recorded, not whether NH101A BP,SOMERSET 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 NH101A BP,SOMERSET 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 NH101A BP,SOMERSET?

NH101A BP,SOMERSET in Hillsborough, New Hampshire on the FHWA's 0–9 scale.

How often is NH101A BP,SOMERSET inspected?

NH101A BP,SOMERSET'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 111,000 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. NH101A BP,SOMERSET is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NH101A BP,SOMERSET?

An inventory load rating is not recorded for NH101A BP,SOMERSET.

Who is responsible for maintaining NH101A BP,SOMERSET?

Ownership is not specified for NH101A BP,SOMERSET in the NBI.

How old is NH101A BP,SOMERSET and does age affect safety?

NH101A BP,SOMERSET was built in 1989, making it 37 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.