FHWA NBI 2024 Inspection record Public-domain dataset

Dan Howard Rd

Carrying Dan Howard Rd over BLACK BAYOU

0.5 MI E OF LA900, Concordia, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating

Bridge Snapshot: Dan Howard Rd

The Dan Howard Rd bridge in Concordia, Louisiana carries Dan Howard Rd over BLACK BAYOU. It was built in 1986, making it 40 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 30 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 6/9, superstructure at 6/9, substructure at 6/9. 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 37.9 metric tons.

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

How Dan Howard Rd compares

▲ 5.6
Load rating vs Louisiana average (32.3 t)
Top 30%
Higher load rating than 70% of Louisiana bridges
42
Bridges in Concordia · 4 in Poor condition
Dan Howard Rd 37.9 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
86.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.0
Essentiality /15
14.8
Special reductions
−7.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
37.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1986
Material
Concrete
Number of Spans
4
Structure Length
23.2 m (76 ft)
Deck Width
6.9 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
30 vehicles/day
Structure Number
581531421913141

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, 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 Dan Howard 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 Dan Howard Rd against other structures in Concordia 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 Dan Howard Rd?

Dan Howard Rd in Concordia, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Dan Howard Rd inspected?

Dan Howard 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 30 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Dan Howard Rd 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 Dan Howard Rd?

Dan Howard Rd has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining Dan Howard Rd?

Dan Howard Rd is owned and maintained by County Highway Agency.

How old is Dan Howard Rd and does age affect safety?

Dan Howard Rd was built in 1986, making it 40 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.