INTERSTATE 84 EB
Carrying INTERSTATE 84 EB over BIOSKI ROAD
1.6 MI W OF ROUTE 63, Fairfield, Connecticut
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: INTERSTATE 84 EB
The INTERSTATE 84 EB bridge in Fairfield, Connecticut carries INTERSTATE 84 EB over BIOSKI ROAD. It was built in 1964, making it 62 years old today. The structure is built primarily of steel and spans 3 sections, stretching 35.4 meters (116 feet) end to end. Daily traffic averages 36,900 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How INTERSTATE 84 EB 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 How the historical reference is calculated.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
- 1964
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 35.4 m (116 ft)
- Deck Width
- 13.3 m (44 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 36,900 vehicles/day
- Structure Number
- 01167
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether INTERSTATE 84 EB 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 INTERSTATE 84 EB against other structures in Fairfield 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 INTERSTATE 84 EB?
INTERSTATE 84 EB in Fairfield, Connecticut has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is INTERSTATE 84 EB inspected?
INTERSTATE 84 EB'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 36,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. INTERSTATE 84 EB is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for INTERSTATE 84 EB?
INTERSTATE 84 EB has an NBI inventory load rating of 33.0 metric tons.
Who is responsible for maintaining INTERSTATE 84 EB?
INTERSTATE 84 EB is owned and maintained by State Highway Agency.
How old is INTERSTATE 84 EB and does age affect safety?
INTERSTATE 84 EB was built in 1964, making it 62 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.