FHWA NBI 2024 Inspection record Public-domain dataset

PR 336

Carrying PR 336 over LA MANUELA CREEK

2 KM S E OF GUAYANILLA, Guayanilla, Puerto Rico

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: PR 336

The PR 336 bridge in Guayanilla, Puerto Rico carries PR 336 over LA MANUELA CREEK. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 12.6 meters (41 feet) end to end. Daily traffic averages 3,100 vehicles, placing it in the moderately-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 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 22.2 metric tons.

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

How PR 336 compares

▼ 13.9
Load rating vs Puerto Rico average (36.1 t)
Bottom 29%
Lower load rating than 71% of Puerto Rico bridges
34
Bridges in Guayanilla · 6 in Poor condition
PR 336 22.2 t
Puerto Rico average 36.1 t

Live comparison across Puerto Rico.

Historical Sufficiency Rating

PlainBridge-computed
25.4 / 100 - historical 20–49.9 band
Structural adequacy /55
19.4
Serviceability /30
6.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
22.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1955
Material
Concrete Continuous
Number of Spans
2
Structure Length
12.6 m (41 ft)
Deck Width
7.8 m (26 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,100 vehicles/day
Structure Number
007341

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

PR 336 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 336 against other structures in Guayanilla 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 336?

PR 336 in Guayanilla, Puerto Rico has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is PR 336 inspected?

PR 336'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 3,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PR 336 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 336?

PR 336 has an NBI inventory load rating of 22.2 metric tons.

Who is responsible for maintaining PR 336?

PR 336 is owned and maintained by State Highway Agency.

How old is PR 336 and does age affect safety?

PR 336 was built in 1955, making it 71 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.