FHWA NBI 2024 Inspection record Public-domain dataset

HWY CENTRE ST

Carrying HWY CENTRE ST over TR GREEN LINE D

BETWEEN NORWOOD & PAUL ST, Middlesex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
54 t Inventory load rating

Bridge Snapshot: HWY CENTRE ST

The HWY CENTRE ST bridge in Middlesex, Massachusetts carries HWY CENTRE ST over TR GREEN LINE D. It was built in 1907, making it 119 years old today. It was last reconstructed in 1961, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 35.8 meters (117 feet) end to end. Daily traffic averages 13,600 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by Other State Agencies.

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. All reported major components score above the Poor range. Its NBI inventory load rating is 53.8 metric tons.

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

How HWY CENTRE ST compares

▲ 12.6
Load rating vs Massachusetts average (41.2 t)
Top 16%
Higher load rating than 84% of Massachusetts bridges
820
Bridges in Middlesex · 72 in Poor condition
HWY CENTRE ST 53.8 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
78.6 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
24.0
Essentiality /15
12.6
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
53.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1907
Last Reconstructed
1961
Material
Steel
Number of Spans
1
Structure Length
35.8 m (117 ft)
Deck Width
16.8 m (55 ft)
Owner
Other State Agencies
Avg Daily Traffic
13,600 vehicles/day
Structure Number
N120364TYMBTNBI

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY CENTRE ST 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 CENTRE ST 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 CENTRE ST?

HWY CENTRE ST in Middlesex, Massachusetts 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 HWY CENTRE ST inspected?

HWY CENTRE ST'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 13,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY CENTRE ST 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 CENTRE ST?

HWY CENTRE ST has an NBI inventory load rating of 53.8 metric tons.

Who is responsible for maintaining HWY CENTRE ST?

HWY CENTRE ST is owned and maintained by Other State Agencies.

How old is HWY CENTRE ST and does age affect safety?

HWY CENTRE ST was built in 1907, making it 119 years old and last reconstructed in 1961.

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.