Honey Island Swamp
Carrying Honey Island Swamp over WOOLY BAYOU
1.4M EAST OF I-59, St. Tammany, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Honey Island Swamp
The Honey Island Swamp bridge in St. Tammany, Louisiana carries Honey Island Swamp over WOOLY BAYOU. It was built in 1984, making it 42 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 29.0 meters (95 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. 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 24.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Honey Island Swamp 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 How the historical reference is calculated.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
- 1984
- Material
- Concrete
- Number of Spans
- 5
- Structure Length
- 29.0 m (95 ft)
- Deck Width
- 8.2 m (27 ft)
- Owner
- Other State Agencies
- Structure Number
- 625230238894211
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether Honey Island Swamp 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 Honey Island Swamp 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 Honey Island Swamp?
Honey Island Swamp in St. Tammany, Louisiana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is Honey Island Swamp inspected?
Honey Island Swamp's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Honey Island Swamp 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 Honey Island Swamp?
Honey Island Swamp has an NBI inventory load rating of 24.6 metric tons.
Who is responsible for maintaining Honey Island Swamp?
Honey Island Swamp is owned and maintained by Other State Agencies.
How old is Honey Island Swamp and does age affect safety?
Honey Island Swamp was built in 1984, making it 42 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.