MAIN STREET EXT.
Carrying MAIN STREET EXT. over SUMNER BROOK
430 FT N OF ROUTE 17, Middlesex, Connecticut
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MAIN STREET EXT.
The MAIN STREET EXT. bridge in Middlesex, Connecticut carries MAIN STREET EXT. over SUMNER BROOK. It was built in 1935, making it 91 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 10,496 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 4/9. 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 99.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MAIN STREET EXT. compares
Live comparison across Connecticut.
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 How the historical reference is calculated.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
- 1935
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 8.5 m (28 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 10,496 vehicles/day
- Structure Number
- 04187
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
MAIN STREET EXT. 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 MAIN STREET EXT. against other structures in Middlesex and across Connecticut. Connecticut 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 MAIN STREET EXT.?
MAIN STREET EXT. in Middlesex, Connecticut on the FHWA's 0–9 scale.
How often is MAIN STREET EXT. inspected?
MAIN STREET EXT.'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 10,496 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MAIN STREET EXT. 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 MAIN STREET EXT.?
MAIN STREET EXT. has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining MAIN STREET EXT.?
MAIN STREET EXT. is owned and maintained by City/Municipal Highway Agency.
How old is MAIN STREET EXT. and does age affect safety?
MAIN STREET EXT. was built in 1935, making it 91 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.