SR 486 (AIRPORT RD
Carrying SR 486 (AIRPORT RD over EIGHT MILE BROOK
100' EAST OF JCT RTE 188, New Haven, Connecticut
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SR 486 (AIRPORT RD
The SR 486 (AIRPORT RD bridge in New Haven, Connecticut carries SR 486 (AIRPORT RD over EIGHT MILE BROOK. It was built in 1975, making it 51 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 3,000 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. 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 SR 486 (AIRPORT RD 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 How the historical reference is calculated.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
- 1975
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 11.0 m (36 ft)
- Deck Width
- 36.6 m (120 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 3,000 vehicles/day
- Structure Number
- 03914
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 SR 486 (AIRPORT RD 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 SR 486 (AIRPORT RD 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 SR 486 (AIRPORT RD?
SR 486 (AIRPORT RD in New Haven, Connecticut on the FHWA's 0–9 scale.
How often is SR 486 (AIRPORT RD inspected?
SR 486 (AIRPORT RD'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 3,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR 486 (AIRPORT RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SR 486 (AIRPORT RD?
SR 486 (AIRPORT RD has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining SR 486 (AIRPORT RD?
SR 486 (AIRPORT RD is owned and maintained by State Highway Agency.
How old is SR 486 (AIRPORT RD and does age affect safety?
SR 486 (AIRPORT RD was built in 1975, making it 51 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.