FHWA NBI 2024 Inspection record Public-domain dataset

MARVIN HEAD RD

Carrying MARVIN HEAD RD over PRAIRION BAYOU

0.17 MI SE of LA 557, Ouachita, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
18 t Inventory load rating

Bridge Snapshot: MARVIN HEAD RD

The MARVIN HEAD RD bridge in Ouachita, Louisiana carries MARVIN HEAD RD over PRAIRION BAYOU. It was built in 1996, making it 30 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 463 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 18.1 metric tons.

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

How MARVIN HEAD RD compares

▼ 14.2
Load rating vs Louisiana average (32.3 t)
Bottom 12%
Lower load rating than 88% of Louisiana bridges
337
Bridges in Ouachita · 36 in Poor condition
MARVIN HEAD RD 18.1 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
55.1 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
16.2
Essentiality /15
9.5
Special reductions
−8.0

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 How the historical reference is calculated.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
18.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1996
Material
Concrete
Number of Spans
4
Structure Length
23.2 m (76 ft)
Deck Width
8.1 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
463 vehicles/day
Structure Number
053732207921291

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) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether MARVIN HEAD RD 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 MARVIN HEAD RD against other structures in Ouachita 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 MARVIN HEAD RD?

MARVIN HEAD RD in Ouachita, 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 MARVIN HEAD RD inspected?

MARVIN HEAD RD'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 463 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MARVIN HEAD RD 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 MARVIN HEAD RD?

MARVIN HEAD RD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining MARVIN HEAD RD?

MARVIN HEAD RD is owned and maintained by County Highway Agency.

How old is MARVIN HEAD RD and does age affect safety?

MARVIN HEAD RD was built in 1996, making it 30 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.