FHWA NBI 2024 Inspection record Public-domain dataset

ST122 A/MAIN ST

Carrying ST122 A/MAIN ST over RR PWRR

@ CORNER OF SAMPSON ST., Worcester, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating

Bridge Snapshot: ST122 A/MAIN ST

The ST122 A/MAIN ST bridge in Worcester, Massachusetts carries ST122 A/MAIN ST over RR PWRR. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 4,738 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 6/9, superstructure at 6/9, 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 33.7 metric tons.

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

How ST122 A/MAIN ST compares

▼ 7.5
Load rating vs Massachusetts average (41.2 t)
Bottom 37%
Lower load rating than 63% of Massachusetts bridges
1,016
Bridges in Worcester · 74 in Poor condition
ST122 A/MAIN ST 33.7 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
94.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
27.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
33.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1999
Material
Prestressed Concrete
Number of Spans
1
Structure Length
12.8 m (42 ft)
Deck Width
13.7 m (45 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,738 vehicles/day
Structure Number
G08011AWDDOT634

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether ST122 A/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 ST122 A/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 ST122 A/MAIN ST?

ST122 A/MAIN ST in Worcester, Massachusetts has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ST122 A/MAIN ST inspected?

ST122 A/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 4,738 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST122 A/MAIN 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 ST122 A/MAIN ST?

ST122 A/MAIN ST has an NBI inventory load rating of 33.7 metric tons.

Who is responsible for maintaining ST122 A/MAIN ST?

ST122 A/MAIN ST is owned and maintained by State Highway Agency.

How old is ST122 A/MAIN ST and does age affect safety?

ST122 A/MAIN ST was built in 1999, making it 27 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.