Eden Isle Subd.
Carrying Eden Isle Subd. over BR. OVER EDEN ISLES CANA
2.4 MI S JCT US 11 & 433, St. Tammany, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Eden Isle Subd.
The Eden Isle Subd. bridge in St. Tammany, Louisiana carries Eden Isle Subd. over BR. OVER EDEN ISLES CANA. It was built in 1974, making it 52 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 53.9 meters (177 feet) end to end. Daily traffic averages 5,979 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 15.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Eden Isle Subd. compares
Live comparison across Louisiana.
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 How the historical reference is calculated.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
- 1974
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 53.9 m (177 ft)
- Deck Width
- 16.5 m (54 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 5,979 vehicles/day
- Structure Number
- 625230140894811
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) 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 Eden Isle Subd. 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 Eden Isle Subd. against other structures in St. Tammany and across Louisiana. Louisiana 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 Eden Isle Subd.?
Eden Isle Subd. in St. Tammany, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is Eden Isle Subd. inspected?
Eden Isle Subd.'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 5,979 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Eden Isle Subd. 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 Eden Isle Subd.?
Eden Isle Subd. has an NBI inventory load rating of 15.6 metric tons.
Who is responsible for maintaining Eden Isle Subd.?
Eden Isle Subd. is owned and maintained by County Highway Agency.
How old is Eden Isle Subd. and does age affect safety?
Eden Isle Subd. was built in 1974, making it 52 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.