FHWA NBI 2024 Inspection record Public-domain dataset

Carr Dr

Carrying Carr Dr over CANAL

INT. OF CARR DR AND US 11, St. Tammany, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
26 t Inventory load rating

Bridge Snapshot: Carr Dr

The Carr Dr bridge in St. Tammany, Louisiana carries Carr Dr over CANAL. It was built in 2010, making it 16 years old today. The structure is built primarily of concrete and spans 8 sections, stretching 48.2 meters (158 feet) end to end. Daily traffic averages 502 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by County Highway Agency.

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 25.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How Carr Dr compares

▼ 6.4
Load rating vs Louisiana average (32.3 t)
Bottom 31%
Lower load rating than 69% of Louisiana bridges
360
Bridges in St. Tammany · 20 in Poor condition
Carr Dr 25.9 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
83.6 / 100 - historical 80–100 band
Structural adequacy /55
49.6
Serviceability /30
30.0
Essentiality /15
11.0
Special reductions
−7.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
25.9 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2010
Material
Concrete
Number of Spans
8
Structure Length
48.2 m (158 ft)
Deck Width
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
502 vehicles/day
Structure Number
625200000107034

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 Carr Dr 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 Carr Dr 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 Carr Dr?

Carr Dr 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 Carr Dr inspected?

Carr Dr'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 502 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. Carr Dr 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 Carr Dr?

Carr Dr has an NBI inventory load rating of 25.9 metric tons.

Who is responsible for maintaining Carr Dr?

Carr Dr is owned and maintained by County Highway Agency.

How old is Carr Dr and does age affect safety?

Carr Dr was built in 2010, making it 16 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.