FHWA NBI 2024 Inspection record Public-domain dataset

FDR 120

Carrying FDR 120 over PANTHER BAYOU TRIB.

NO DATA ENTERED, Grant, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
15 t Inventory load rating

Bridge Snapshot: FDR 120

The FDR 120 bridge in Grant, Louisiana carries FDR 120 over PANTHER BAYOU TRIB.. It was built in 1981, making it 45 years old today. It was last reconstructed in 2018, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 17.4 meters (57 feet) end to end. Daily traffic averages 15 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by U.S. Forest Service.

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 14.9 metric tons.

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

How FDR 120 compares

▼ 17.4
Load rating vs Louisiana average (32.3 t)
Bottom 7%
Lower load rating than 93% of Louisiana bridges
209
Bridges in Grant · 32 in Poor condition
FDR 120 14.9 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
48.2 / 100 - historical 20–49.9 band
Structural adequacy /55
21.2
Serviceability /30
12.0
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 How the historical reference is calculated.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
14.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Last Reconstructed
2018
Material
Prestressed Concrete
Number of Spans
3
Structure Length
17.4 m (57 ft)
Deck Width
5.1 m (17 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
15 vehicles/day
Structure Number
080601000002122

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 FDR 120 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 FDR 120 against other structures in Grant 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 FDR 120?

FDR 120 in Grant, 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 FDR 120 inspected?

FDR 120'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 15 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FDR 120 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 FDR 120?

FDR 120 has an NBI inventory load rating of 14.9 metric tons.

Who is responsible for maintaining FDR 120?

FDR 120 is owned and maintained by U.S. Forest Service.

How old is FDR 120 and does age affect safety?

FDR 120 was built in 1981, making it 45 years old and last reconstructed in 2018.

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.