FHWA NBI 2024 Inspection record Public-domain dataset

PR 4466

Carrying PR 4466 over CREEK

4.5 MILES WEST OF ISABELA, Isabela, Puerto Rico

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating Lower than 89% of rated Puerto Rico bridges

PR 4466 in Isabela, Puerto Rico sits above 11% of rated Puerto Rico bridges on inventory load rating (13 t), while its 1960 build year is earlier than 80% of Isabela's recorded-year cohort (5 bridges).

PR 4466 in Isabela, Puerto Rico is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1960, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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 PR:012961

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light load
  • CAT-FAIR Fair

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

Structural health score

A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.

F
Overall Score
7/100
PR 4466
Deck Condition N/A
N/A
NBI deck condition rating
Superstructure Condition N/A
N/A
NBI superstructure condition rating
Substructure Condition N/A
N/A
NBI substructure condition rating
Load Rating F
13 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: PR 4466

The PR 4466 bridge in Isabela, Puerto Rico carries PR 4466 over CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 12.4 meters (41 feet) end to end. Daily traffic averages 500 vehicles, placing it in the lower-traffic tier of Puerto Rico bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection places the weakest component in fair condition (see the full component ratings below). No reported major component scores in the Poor range under the current federal condition thresholds.

How PR 4466 compares

▼ 24.4
Load rating vs Puerto Rico average (37.8 t; 2,385 rated)
5
Bridges in Isabela

Age against the county: built in 1960, earlier than 4 of Isabela's 5 bridges with a recorded construction year (80%), against a county median build year of 2009. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

PR 4466 13.4 t
Puerto Rico average (2,385 rated) 37.8 t

Live comparison across Puerto Rico bridges with a recorded inventory load rating (2,385 rated).

PR 4466 vs every rated Puerto Rico bridge

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

13 Top 89% higher than 11% of 2,385 bridges

rated Puerto Rico 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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
13.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Isabela inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 5 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
1960
Material
Concrete
Number of Spans
2
Structure Length
12.4 m (41 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
500 vehicles/day
Structure Number
012961

How to read this record

This page shows what the last federal inspection recorded, not whether PR 4466 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 PR 4466 against other structures in Isabela and across Puerto Rico. Puerto Rico 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 PR 4466?

PR 4466 in Isabela, Puerto Rico on the FHWA's 0–9 scale.

How often is PR 4466 inspected?

PR 4466'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 500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PR 4466 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 PR 4466?

PR 4466 has an NBI inventory load rating of 13.4 metric tons.

Who is responsible for maintaining PR 4466?

PR 4466 is owned and maintained by State Highway Agency.

How old is PR 4466 and does age affect safety?

PR 4466 was built in 1960, making it 66 years old.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details.

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.

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.

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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.