FHWA NBI 2024 Inspection record Public-domain dataset

HWY WESTON RD

Carrying HWY WESTON RD over RR CSX/MBTA

0.8 KM N RTE 135, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
43 t Inventory load rating

Bridge Snapshot: HWY WESTON RD

The HWY WESTON RD bridge in Norfolk, Massachusetts carries HWY WESTON RD over RR CSX/MBTA. It was built in 1997, making it 29 years old today. The structure is built primarily of steel and spans 1 section, stretching 22.3 meters (73 feet) end to end. Daily traffic averages 17,069 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 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 43.4 metric tons.

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

How HWY WESTON RD compares

▲ 2.2
Load rating vs Massachusetts average (41.2 t)
Top 33%
Higher load rating than 67% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
HWY WESTON RD 43.4 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
92.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.0
Essentiality /15
13.3
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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
43.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1997
Material
Steel
Number of Spans
1
Structure Length
22.3 m (73 ft)
Deck Width
13.3 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
17,069 vehicles/day
Structure Number
W130102P5DOT634

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 (8/9), 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 WESTON RD 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 WESTON RD 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 WESTON RD?

HWY WESTON RD in Norfolk, Massachusetts has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY WESTON RD inspected?

HWY WESTON RD'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 17,069 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY WESTON RD 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 WESTON RD?

HWY WESTON RD has an NBI inventory load rating of 43.4 metric tons.

Who is responsible for maintaining HWY WESTON RD?

HWY WESTON RD is owned and maintained by State Highway Agency.

How old is HWY WESTON RD and does age affect safety?

HWY WESTON RD was built in 1997, making it 29 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.