HARMON JOHNSON RD
Carrying HARMON JOHNSON RD over DRAIN TO PRAIRIE BAYOU
2.2 MI. E. U.S. HWY., Ouachita, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HARMON JOHNSON RD
The HARMON JOHNSON RD bridge in Ouachita, Louisiana carries HARMON JOHNSON RD over DRAIN TO PRAIRIE BAYOU. It was built in 1968, making it 58 years old today. The structure is built primarily of steel and spans 2 sections, stretching 6.1 meters (20 feet) end to end. Daily traffic averages 570 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 culvert at 0/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How HARMON JOHNSON RD compares
Live comparison across Louisiana.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1968
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 6.1 m (20 ft)
- Deck Width
- 16.5 m (54 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 570 vehicles/day
- Structure Number
- 053732237920471
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
HARMON JOHNSON RD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare HARMON JOHNSON 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 HARMON JOHNSON RD?
HARMON JOHNSON RD in Ouachita, Louisiana on the FHWA's 0–9 scale.
How often is HARMON JOHNSON RD inspected?
HARMON JOHNSON 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 570 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HARMON JOHNSON RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for HARMON JOHNSON RD?
An inventory load rating is not recorded for HARMON JOHNSON RD.
Who is responsible for maintaining HARMON JOHNSON RD?
HARMON JOHNSON RD is owned and maintained by County Highway Agency.
How old is HARMON JOHNSON RD and does age affect safety?
HARMON JOHNSON RD was built in 1968, making it 58 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.
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.