ST 2 CONCORD TPK
Carrying ST 2 CONCORD TPK over WATER SUDBURY RIVER
2.8 KM SE RT 2 ROTARY, Middlesex, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ST 2 CONCORD TPK
The ST 2 CONCORD TPK bridge in Middlesex, Massachusetts carries ST 2 CONCORD TPK over WATER SUDBURY RIVER. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete and spans 1 section, stretching 25.6 meters (84 feet) end to end. Daily traffic averages 46,700 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 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 64.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ST 2 CONCORD TPK 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 How the historical reference is calculated.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
- 1934
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 25.6 m (84 ft)
- Deck Width
- 19.9 m (65 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 46,700 vehicles/day
- Structure Number
- C190212DTDOTNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
ST 2 CONCORD TPK is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare ST 2 CONCORD TPK 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 ST 2 CONCORD TPK?
ST 2 CONCORD TPK in Middlesex, Massachusetts, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is ST 2 CONCORD TPK inspected?
ST 2 CONCORD TPK'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 46,700 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ST 2 CONCORD TPK is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for ST 2 CONCORD TPK?
ST 2 CONCORD TPK has an NBI inventory load rating of 64.3 metric tons.
Who is responsible for maintaining ST 2 CONCORD TPK?
ST 2 CONCORD TPK is owned and maintained by State Highway Agency.
How old is ST 2 CONCORD TPK and does age affect safety?
ST 2 CONCORD TPK was built in 1934, making it 92 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.