MNR STR ON RMP NB
Carrying MNR STR ON RMP NB over N CAUSEWAY APPR S BOUND
0.68 MI N OF CAUSEWAY BR., St. Tammany, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MNR STR ON RMP NB
The MNR STR ON RMP NB bridge in St. Tammany, Louisiana carries MNR STR ON RMP NB over N CAUSEWAY APPR S BOUND. It was built in 1993, making it 33 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 45.7 meters (150 feet) end to end. Daily traffic averages 500 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by Local Toll Authority.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 43.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MNR STR ON RMP NB 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 How the historical reference is calculated.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
- 1993
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 45.7 m (150 ft)
- Deck Width
- 5.2 m (17 ft)
- Owner
- Local Toll Authority
- Avg Daily Traffic
- 500 vehicles/day
- Structure Number
- 625230222900566
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether MNR STR ON RMP NB 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 MNR STR ON RMP NB 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 MNR STR ON RMP NB?
MNR STR ON RMP NB in St. Tammany, Louisiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is MNR STR ON RMP NB inspected?
MNR STR ON RMP NB'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 500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MNR STR ON RMP NB 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 MNR STR ON RMP NB?
MNR STR ON RMP NB has an NBI inventory load rating of 43.7 metric tons.
Who is responsible for maintaining MNR STR ON RMP NB?
MNR STR ON RMP NB is owned and maintained by Local Toll Authority.
How old is MNR STR ON RMP NB and does age affect safety?
MNR STR ON RMP NB was built in 1993, making it 33 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.