FHWA NBI 2024 Inspection record Public-domain dataset

HWY REDFIELD ST

Carrying HWY REDFIELD ST over COMB MBTA&REDS&FRKLN ST

OVER RED LINE, Suffolk, Massachusetts

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
90 t Inventory load rating Higher than 96% of rated Massachusetts bridges

HWY REDFIELD ST in Suffolk, Massachusetts sits above 96% of rated Massachusetts bridges on inventory load rating (90 t), while its 1955 build year is earlier than 69% of Suffolk's recorded-year cohort (488 bridges).

HWY REDFIELD ST in Suffolk, Massachusetts is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1955, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MA:B161374VNMBTNBI

INTERSTATE-ERA · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: HWY REDFIELD ST

The HWY REDFIELD ST bridge in Suffolk, Massachusetts carries HWY REDFIELD ST over COMB MBTA&REDS&FRKLN ST. It was built in 1955, making it 71 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 26.0 meters (85 feet) end to end. Daily traffic averages 700 vehicles, placing it in the lower-traffic tier of Massachusetts bridges. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How HWY REDFIELD ST compares

▲ 49.7
Load rating vs Massachusetts average (40.4 t; 5,295 rated)
489
Bridges in Suffolk · 47 in Poor condition

Age against the county: built in 1955, earlier than 337 of Suffolk's 488 bridges with a recorded construction year (69%), against a county median build year of 1970. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

HWY REDFIELD ST 90.1 t
Massachusetts average (5,295 rated) 40.4 t

Live comparison across Massachusetts bridges with a recorded inventory load rating (5,295 rated).

HWY REDFIELD ST vs every rated Massachusetts bridge

Inventory load rating (metric tons), FHWA NBI, this state

90 Top 4% higher than 96% of 5,295 bridges

rated Massachusetts bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
90.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Suffolk inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 489 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1955
Last Reconstructed
2004
Material
Prestressed Concrete
Number of Spans
1
Structure Length
26.0 m (85 ft)
Deck Width
15.1 m (50 ft)
Owner
Other State Agencies
Avg Daily Traffic
700 vehicles/day
Structure Number
B161374VNMBTNBI

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY REDFIELD 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 REDFIELD ST against other structures in Suffolk 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 REDFIELD ST?

HWY REDFIELD ST in Suffolk, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY REDFIELD ST inspected?

HWY REDFIELD 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 700 vehicles per day.

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

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

HWY REDFIELD ST has an NBI inventory load rating of 90.1 metric tons.

Who is responsible for maintaining HWY REDFIELD ST?

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

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

HWY REDFIELD ST was built in 1955, making it 71 years old and last reconstructed in 2004.

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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.