W. 19th Ave
Carrying W. 19th Ave over MILE BRANCH
0.4 MILE EAST OF JOHNSON, St. Tammany, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
W. 19th Ave in St. Tammany, Louisiana is rated Good in the FHWA's 2024 National Bridge Inventory.
Built in 1990, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure LA:625230288900661
LATE-CENTURY · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: W. 19th Ave
The W. 19th Ave bridge in St. Tammany, Louisiana carries W. 19th Ave over MILE BRANCH. It was built in 1990, making it 36 years old today. The structure is built primarily of steel and spans 3 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 300 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How W. 19th Ave compares
Age against the county: built in 1990, earlier than 82 of St. Tammany's 360 bridges with a recorded construction year (23%), against a county median build year of 1974. This is one of the newer structures in its county.
Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).
W. 19th Ave vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
24 Top 73% higher than 27% of 12,682 bridges
rated Louisiana bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
St. Tammany inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 360 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1990
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 10.7 m (35 ft)
- Deck Width
- 16.8 m (55 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 300 vehicles/day
- Structure Number
- 625230288900661
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 W. 19th Ave 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 W. 19th Ave 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 W. 19th Ave?
W. 19th Ave in St. Tammany, Louisiana on the FHWA's 0–9 scale.
How often is W. 19th Ave inspected?
W. 19th Ave'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 300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. W. 19th Ave 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 W. 19th Ave?
W. 19th Ave has an NBI inventory load rating of 24.3 metric tons.
Who is responsible for maintaining W. 19th Ave?
W. 19th Ave is owned and maintained by City/Municipal Highway Agency.
How old is W. 19th Ave and does age affect safety?
W. 19th Ave was built in 1990, making it 36 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.