FHWA NBI 2024 Inspection record Public-domain dataset

PR 52 SOUTHBOUND

Carrying PR 52 SOUTHBOUND over INABON RIVER

3 KM S W OF JUANA DIAZ, Juana Díaz, Puerto Rico

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
43 t Inventory load rating

Bridge Snapshot: PR 52 SOUTHBOUND

The PR 52 SOUTHBOUND bridge in Juana Díaz, Puerto Rico carries PR 52 SOUTHBOUND over INABON RIVER. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 100.0 meters (328 feet) end to end. Daily traffic averages 22,350 vehicles, placing it in the heavily-trafficked tier of Puerto Rico bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, 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. Its NBI inventory load rating is 42.8 metric tons.

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

How PR 52 SOUTHBOUND compares

▲ 6.7
Load rating vs Puerto Rico average (36.1 t)
Top 32%
Higher load rating than 68% of Puerto Rico bridges
55
Bridges in Juana Díaz · 9 in Poor condition
PR 52 SOUTHBOUND 42.8 t
Puerto Rico average 36.1 t

Live comparison across Puerto Rico.

Historical Sufficiency Rating

PlainBridge-computed
70.4 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
27.0
Essentiality /15
13.4
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
42.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1970
Material
Prestressed Concrete
Number of Spans
4
Structure Length
100.0 m (328 ft)
Deck Width
14.3 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
22,350 vehicles/day
Structure Number
010782

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), 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.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

PR 52 SOUTHBOUND 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 PR 52 SOUTHBOUND against other structures in Juana Díaz 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 52 SOUTHBOUND?

PR 52 SOUTHBOUND in Juana Díaz, Puerto Rico has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PR 52 SOUTHBOUND inspected?

PR 52 SOUTHBOUND'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 22,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PR 52 SOUTHBOUND 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 PR 52 SOUTHBOUND?

PR 52 SOUTHBOUND has an NBI inventory load rating of 42.8 metric tons.

Who is responsible for maintaining PR 52 SOUTHBOUND?

PR 52 SOUTHBOUND is owned and maintained by State Highway Agency.

How old is PR 52 SOUTHBOUND and does age affect safety?

PR 52 SOUTHBOUND was built in 1970, making it 56 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.