FHWA NBI 2024 Inspection record Public-domain dataset

LA0555

Carrying LA0555 over BAYOU MACON

0.05 M N of LA 610, Franklin, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating

Bridge Snapshot: LA0555

The LA0555 bridge in Franklin, Louisiana carries LA0555 over BAYOU MACON. It was built in 2003, making it 23 years old today. The structure is built primarily of prestressed concrete and spans 8 sections, stretching 120.1 meters (394 feet) end to end. Daily traffic averages 562 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by State 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 36.6 metric tons.

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

How LA0555 compares

▲ 4.3
Load rating vs Louisiana average (32.3 t)
Top 34%
Higher load rating than 66% of Louisiana bridges
131
Bridges in Franklin · 4 in Poor condition
LA0555 36.6 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
98.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
36.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2003
Material
Prestressed Concrete
Number of Spans
8
Structure Length
120.1 m (394 ft)
Deck Width
12.2 m (40 ft)
Owner
State Highway Agency
Avg Daily Traffic
562 vehicles/day
Structure Number
582108210603901

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 LA0555 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 LA0555 against other structures in Franklin 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 LA0555?

LA0555 in Franklin, 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 LA0555 inspected?

LA0555'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 562 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0555 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 LA0555?

LA0555 has an NBI inventory load rating of 36.6 metric tons.

Who is responsible for maintaining LA0555?

LA0555 is owned and maintained by State Highway Agency.

How old is LA0555 and does age affect safety?

LA0555 was built in 2003, making it 23 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.