FHWA NBI 2024 Inspection record Public-domain dataset

ST 9 WORCESTER ST

Carrying ST 9 WORCESTER ST over RR CSX/MBTA

0.40 KM WLY RT 16, Norfolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 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 RR CSX/MBTA. It was built in 1932, making it 94 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 28.3 meters (93 feet) end to end. Daily traffic averages 76,400 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 7/9, substructure at 6/9. 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 40.4 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

▼ 0.8
Load rating vs Massachusetts average (41.2 t)
Top 41%
Higher load rating than 59% of Massachusetts bridges
348
Bridges in Norfolk · 14 in Poor condition
ST 9 WORCESTER ST 40.4 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
75.5 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
12.0
Essentiality /15
10.5
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
40.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1932
Last Reconstructed
1996
Material
Steel
Number of Spans
1
Structure Length
28.3 m (93 ft)
Deck Width
23.8 m (78 ft)
Owner
State Highway Agency
Avg Daily Traffic
76,400 vehicles/day
Structure Number
W130062P3DOT634

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 good at 7/9, with no significant deterioration on file.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

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 has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 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 76,400 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 Fair 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 40.4 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 and last reconstructed in 1996.

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.