FHWA NBI 2024 Inspection record Public-domain dataset

LA1050

Carrying LA1050 over DITCH

0.4 M SE OF LA 1049, Tangipahoa, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
12 t Inventory load rating

Bridge Snapshot: LA1050

The LA1050 bridge in Tangipahoa, Louisiana carries LA1050 over DITCH. It was built in 1960, making it 66 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 1,583 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 11.8 metric tons.

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

How LA1050 compares

▼ 20.5
Load rating vs Louisiana average (32.3 t)
Bottom 3%
Lower load rating than 97% of Louisiana bridges
477
Bridges in Tangipahoa · 64 in Poor condition
LA1050 11.8 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
38.6 / 100 - historical 20–49.9 band
Structural adequacy /55
14.6
Serviceability /30
9.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
11.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1960
Material
Wood or Timber
Number of Spans
2
Structure Length
11.9 m (39 ft)
Deck Width
8.0 m (26 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,583 vehicles/day
Structure Number
625308530501791

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 LA1050 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 LA1050 against other structures in Tangipahoa 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 LA1050?

LA1050 in Tangipahoa, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LA1050 inspected?

LA1050'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 1,583 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA1050 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 LA1050?

LA1050 has an NBI inventory load rating of 11.8 metric tons.

Who is responsible for maintaining LA1050?

LA1050 is owned and maintained by State Highway Agency.

How old is LA1050 and does age affect safety?

LA1050 was built in 1960, making it 66 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.