FHWA NBI 2024 Inspection record Public-domain dataset

HWY BUTTERS ROW

Carrying HWY BUTTERS ROW over RR MBTA/BMRR

0.1 MI W RT 38, Middlesex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
8 t Inventory load rating

Bridge Snapshot: HWY BUTTERS ROW

The HWY BUTTERS ROW bridge in Middlesex, Massachusetts carries HWY BUTTERS ROW over RR MBTA/BMRR. It was built in 1920, making it 106 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of wood or timber and spans 3 sections, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 1,950 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 8.1 metric tons.

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

How HWY BUTTERS ROW compares

▼ 33.1
Load rating vs Massachusetts average (41.2 t)
Bottom 1%
Lower load rating than 99% of Massachusetts bridges
820
Bridges in Middlesex · 72 in Poor condition
HWY BUTTERS ROW 8.1 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
21.1 / 100 - historical 20–49.9 band
Structural adequacy /55
6.0
Serviceability /30
2.0
Essentiality /15
13.1
Special reductions
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
8.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1920
Last Reconstructed
2017
Material
Wood or Timber
Number of Spans
3
Structure Length
14.9 m (49 ft)
Deck Width
4.7 m (15 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,950 vehicles/day
Structure Number
W380032NVDOT634

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (5/9), 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 BUTTERS ROW 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 BUTTERS ROW 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 BUTTERS ROW?

HWY BUTTERS ROW in Middlesex, Massachusetts has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HWY BUTTERS ROW inspected?

HWY BUTTERS ROW'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 1,950 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY BUTTERS ROW 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 BUTTERS ROW?

HWY BUTTERS ROW has an NBI inventory load rating of 8.1 metric tons.

Who is responsible for maintaining HWY BUTTERS ROW?

HWY BUTTERS ROW is owned and maintained by State Highway Agency.

How old is HWY BUTTERS ROW and does age affect safety?

HWY BUTTERS ROW was built in 1920, making it 106 years old and last reconstructed in 2017.

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.