QUINNIPIAC STREET
Carrying QUINNIPIAC STREET over WALLACE RACEWAY
0.2 MI E OF ROUTE 15, New Haven, Connecticut
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: QUINNIPIAC STREET
The QUINNIPIAC STREET bridge in New Haven, Connecticut carries QUINNIPIAC STREET over WALLACE RACEWAY. It was built in 1915, making it 111 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 12,500 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 32.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How QUINNIPIAC STREET 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 How the historical reference is calculated.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
- 1915
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 11.3 m (37 ft)
- Deck Width
- 12.8 m (42 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 12,500 vehicles/day
- Structure Number
- 03735
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
QUINNIPIAC STREET 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 QUINNIPIAC STREET against other structures in New Haven 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 QUINNIPIAC STREET?
QUINNIPIAC STREET in New Haven, Connecticut has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is QUINNIPIAC STREET inspected?
QUINNIPIAC STREET'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 12,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. QUINNIPIAC STREET 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 QUINNIPIAC STREET?
QUINNIPIAC STREET has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining QUINNIPIAC STREET?
QUINNIPIAC STREET is owned and maintained by Town/Township Highway Agency.
How old is QUINNIPIAC STREET and does age affect safety?
QUINNIPIAC STREET was built in 1915, making it 111 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.