MANCHESTER STREET
Carrying MANCHESTER STREET over PENNICHUCK RESERVOIR
AT NASHUA TL, Hillsborough, New Hampshire
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MANCHESTER STREET
The MANCHESTER STREET bridge in Hillsborough, New Hampshire carries MANCHESTER STREET over PENNICHUCK RESERVOIR. It was built in 2015, making it 11 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 38.7 meters (127 feet) end to end. Daily traffic averages 4,378 vehicles, placing it in the moderately-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 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 43.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MANCHESTER STREET 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 How the historical reference is calculated.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
- 2015
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 38.7 m (127 ft)
- Deck Width
- 11.0 m (36 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,378 vehicles/day
- Structure Number
- 016801200002600
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether MANCHESTER STREET 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 MANCHESTER STREET 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 MANCHESTER STREET?
MANCHESTER STREET in Hillsborough, New Hampshire has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is MANCHESTER STREET inspected?
MANCHESTER STREET'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 4,378 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MANCHESTER STREET is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MANCHESTER STREET?
MANCHESTER STREET has an NBI inventory load rating of 43.1 metric tons.
Who is responsible for maintaining MANCHESTER STREET?
MANCHESTER STREET is owned and maintained by City/Municipal Highway Agency.
How old is MANCHESTER STREET and does age affect safety?
MANCHESTER STREET was built in 2015, making it 11 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.