FHWA NBI 2024 Inspection record Public-domain dataset

Ouachita CR 55 Z-H

Carrying Ouachita CR 55 Z-H over GUM CREEK

.4 MI NO UNION CO LINE, Ouachita, Arkansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating Lower than 68% of rated Arkansas bridges

Ouachita CR 55 Z-H in Ouachita, Arkansas sits above 32% of rated Arkansas bridges on inventory load rating (24 t), while its 1966 build year is earlier than 63% of Ouachita's recorded-year cohort (162 bridges).

Ouachita CR 55 Z-H in Ouachita, Arkansas is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure AR:000000000018167

INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 10 spans
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: Ouachita CR 55 Z-H

The Ouachita CR 55 Z-H bridge in Ouachita, Arkansas carries Ouachita CR 55 Z-H over GUM CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 10 sections, stretching 57.9 meters (190 feet) end to end. Daily traffic averages 98 vehicles, placing it in the lower-traffic tier of Arkansas 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 4/9. The weakest component sits in poor 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.

How Ouachita CR 55 Z-H compares

▼ 2.5
Load rating vs Arkansas average (26.1 t; 12,914 of 12,974 rated)
162
Bridges in Ouachita · 10 in Poor condition

Age against the county: built in 1966, earlier than 102 of Ouachita's 162 bridges with a recorded construction year (63%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

Ouachita CR 55 Z-H 23.6 t
Arkansas average (12,914 of 12,974 rated) 26.1 t

Live comparison across Arkansas bridges with a recorded inventory load rating (12,914 of 12,974 rated).

Ouachita CR 55 Z-H vs every rated Arkansas bridge

Inventory load rating (metric tons), FHWA NBI, this state

24 Top 68% higher than 32% of 12,914 bridges

rated Arkansas bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
23.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Ouachita inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 162 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
10
Structure Length
57.9 m (190 ft)
Deck Width
7.7 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
98 vehicles/day
Structure Number
000000000018167

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) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

Ouachita CR 55 Z-H 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 Ouachita CR 55 Z-H against other structures in Ouachita and across Arkansas. Arkansas 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 Ouachita CR 55 Z-H?

Ouachita CR 55 Z-H in Ouachita, Arkansas has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is Ouachita CR 55 Z-H inspected?

Ouachita CR 55 Z-H'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 98 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Ouachita CR 55 Z-H 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 Ouachita CR 55 Z-H?

Ouachita CR 55 Z-H has an NBI inventory load rating of 23.6 metric tons.

Who is responsible for maintaining Ouachita CR 55 Z-H?

Ouachita CR 55 Z-H is owned and maintained by County Highway Agency.

How old is Ouachita CR 55 Z-H and does age affect safety?

Ouachita CR 55 Z-H was built in 1966, making it 60 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.