HWY LOWELL CONN
Carrying HWY LOWELL CONN over HWY HOWARD ST
0.4 KM SW RT 3A, Middlesex, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HWY LOWELL CONN
The HWY LOWELL CONN bridge in Middlesex, Massachusetts carries HWY LOWELL CONN over HWY HOWARD ST. It was built in 1960, making it 66 years old today. The structure is built primarily of steel and spans 1 section, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 55,800 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 31.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How HWY LOWELL CONN compares
Live comparison across Massachusetts.
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 How the historical reference is calculated.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
- 1960
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 15.5 m (51 ft)
- Deck Width
- 34.3 m (113 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 55,800 vehicles/day
- Structure Number
- L150762HDDOTNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 6/9, 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 HWY LOWELL CONN 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 HWY LOWELL CONN against other structures in Middlesex and across Massachusetts. Massachusetts 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 HWY LOWELL CONN?
HWY LOWELL CONN in Middlesex, Massachusetts has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is HWY LOWELL CONN inspected?
HWY LOWELL CONN'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 55,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HWY LOWELL CONN 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 HWY LOWELL CONN?
HWY LOWELL CONN has an NBI inventory load rating of 31.7 metric tons.
Who is responsible for maintaining HWY LOWELL CONN?
HWY LOWELL CONN is owned and maintained by State Highway Agency.
How old is HWY LOWELL CONN and does age affect safety?
HWY LOWELL CONN was built in 1960, making it 66 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.