FHWA NBI 2024 Inspection record Public-domain dataset

ST131 MAIN ST

Carrying ST131 MAIN ST over WATER QUINEBAUG RIVER

300 FT W. OF HAMILTON ST, Worcester, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

Bridge Snapshot: ST131 MAIN ST

The ST131 MAIN ST bridge in Worcester, Massachusetts carries ST131 MAIN ST over WATER QUINEBAUG RIVER. It was built in 1910, making it 116 years old today. It was last reconstructed in 2019, extending its service life. The structure is built primarily of masonry and spans 1 section, stretching 21.6 meters (71 feet) end to end. Daily traffic averages 14,190 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. All reported major components score above the Poor range. Its NBI inventory load rating is 99.9 metric tons.

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

How ST131 MAIN ST compares

▲ 58.7
Load rating vs Massachusetts average (41.2 t)
Top 4%
Higher load rating than 96% of Massachusetts bridges
1,016
Bridges in Worcester · 74 in Poor condition
ST131 MAIN ST 99.9 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
79.3 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1910
Last Reconstructed
2019
Material
Masonry
Number of Spans
1
Structure Length
21.6 m (71 ft)
Deck Width
16.4 m (54 ft)
Owner
State Highway Agency
Avg Daily Traffic
14,190 vehicles/day
Structure Number
S210021Y0DOTNBI

Condition Analysis

  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether ST131 MAIN 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 ST131 MAIN ST against other structures in Worcester 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 ST131 MAIN ST?

ST131 MAIN ST in Worcester, Massachusetts, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ST131 MAIN ST inspected?

ST131 MAIN 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 14,190 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST131 MAIN 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 ST131 MAIN ST?

ST131 MAIN ST has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining ST131 MAIN ST?

ST131 MAIN ST is owned and maintained by State Highway Agency.

How old is ST131 MAIN ST and does age affect safety?

ST131 MAIN ST was built in 1910, making it 116 years old and last reconstructed in 2019.

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.