ST126 CONCORD ST
Carrying ST126 CONCORD ST over ST 9 WB
RT 126 AT RT 9, Middlesex, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ST126 CONCORD ST
The ST126 CONCORD ST bridge in Middlesex, Massachusetts carries ST126 CONCORD ST over ST 9 WB. It was built in 1931, making it 95 years old today. The structure is built primarily of steel continuous. Daily traffic averages 35,700 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ST126 CONCORD ST compares
Live comparison across Massachusetts.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1931
- Material
- Steel Continuous
- Avg Daily Traffic
- 35,700 vehicles/day
- Structure Number
- F0702828BDOTNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether ST126 CONCORD 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 ST126 CONCORD ST against other structures in Middlesex 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 ST126 CONCORD ST?
ST126 CONCORD ST in Middlesex, Massachusetts on the FHWA's 0–9 scale.
How often is ST126 CONCORD ST inspected?
ST126 CONCORD 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 35,700 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ST126 CONCORD ST is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for ST126 CONCORD ST?
An inventory load rating is not recorded for ST126 CONCORD ST.
Who is responsible for maintaining ST126 CONCORD ST?
Ownership is not specified for ST126 CONCORD ST in the NBI.
How old is ST126 CONCORD ST and does age affect safety?
ST126 CONCORD ST was built in 1931, making it 95 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.
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.