FHWA NBI 2024 Inspection record Public-domain dataset

HWY LONGWOOD AVE

Carrying HWY LONGWOOD AVE over TR GREEN LINE D

OVER GREEN LINE, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating

Bridge Snapshot: HWY LONGWOOD AVE

The HWY LONGWOOD AVE bridge in Norfolk, Massachusetts carries HWY LONGWOOD AVE over TR GREEN LINE D. It was built in 1897, making it 129 years old today. The structure is built primarily of masonry and spans 1 section, stretching 10.5 meters (34 feet) end to end. Daily traffic averages 15,435 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 superstructure at 5/9, substructure at 6/9. 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 44.4 metric tons.

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

How HWY LONGWOOD AVE compares

▲ 3.2
Load rating vs Massachusetts average (41.2 t)
Top 31%
Higher load rating than 69% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
HWY LONGWOOD AVE 44.4 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
78.2 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
23.0
Essentiality /15
13.2
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1897
Material
Masonry
Number of Spans
1
Structure Length
10.5 m (34 ft)
Deck Width
18.5 m (61 ft)
Owner
Other State Agencies
Avg Daily Traffic
15,435 vehicles/day
Structure Number
B270074UQMBTNBI

Condition Analysis

  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY LONGWOOD AVE 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 LONGWOOD AVE against other structures in Norfolk 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 LONGWOOD AVE?

HWY LONGWOOD AVE in Norfolk, Massachusetts, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is HWY LONGWOOD AVE inspected?

HWY LONGWOOD AVE'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 15,435 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY LONGWOOD AVE 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 LONGWOOD AVE?

HWY LONGWOOD AVE has an NBI inventory load rating of 44.4 metric tons.

Who is responsible for maintaining HWY LONGWOOD AVE?

HWY LONGWOOD AVE is owned and maintained by Other State Agencies.

How old is HWY LONGWOOD AVE and does age affect safety?

HWY LONGWOOD AVE was built in 1897, making it 129 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.