FHWA NBI 2024 Inspection record Public-domain dataset

ST 9 WORCESTER ST

Carrying ST 9 WORCESTER ST over HWY WESTON RD

2.4 MI WLY RT 16, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
58 t Inventory load rating

Bridge Snapshot: ST 9 WORCESTER ST

The ST 9 WORCESTER ST bridge in Norfolk, Massachusetts carries ST 9 WORCESTER ST over HWY WESTON RD. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 64,137 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 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. Its NBI inventory load rating is 57.8 metric tons.

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

How ST 9 WORCESTER ST compares

▲ 16.6
Load rating vs Massachusetts average (41.2 t)
Top 12%
Higher load rating than 88% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
ST 9 WORCESTER ST 57.8 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
73.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
17.2
Essentiality /15
4.4
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
57.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1932
Material
Concrete
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
28.9 m (95 ft)
Owner
State Highway Agency
Avg Daily Traffic
64,137 vehicles/day
Structure Number
W130132EKDOTNBI

Condition Analysis

  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether ST 9 WORCESTER 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 ST 9 WORCESTER ST 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 ST 9 WORCESTER ST?

ST 9 WORCESTER ST in Norfolk, Massachusetts, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ST 9 WORCESTER ST inspected?

ST 9 WORCESTER 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 64,137 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST 9 WORCESTER 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 ST 9 WORCESTER ST?

ST 9 WORCESTER ST has an NBI inventory load rating of 57.8 metric tons.

Who is responsible for maintaining ST 9 WORCESTER ST?

ST 9 WORCESTER ST is owned and maintained by State Highway Agency.

How old is ST 9 WORCESTER ST and does age affect safety?

ST 9 WORCESTER ST was built in 1932, making it 94 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.