FHWA NBI 2024 Inspection record Public-domain dataset

PR 106

Carrying PR 106 over GANDEL CREEK

2.5 KM EAST OF MAYAGUEZ, Mayagüez, Puerto Rico

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
13 t Inventory load rating

Bridge Snapshot: PR 106

The PR 106 bridge in Mayagüez, Puerto Rico carries PR 106 over GANDEL CREEK. It was built in 1884, making it 142 years old today. It was last reconstructed in 1949, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 8.4 meters (28 feet) end to end. Daily traffic averages 9,400 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 5/9, superstructure at 5/9, substructure at 4/9. 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 12.9 metric tons.

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

How PR 106 compares

▼ 23.2
Load rating vs Puerto Rico average (36.1 t)
Bottom 11%
Lower load rating than 89% of Puerto Rico bridges
45
Bridges in Mayagüez · 4 in Poor condition
PR 106 12.9 t
Puerto Rico average 36.1 t

Live comparison across Puerto Rico.

Historical Sufficiency Rating

PlainBridge-computed
4.0 / 100 - historical under-20 band
Structural adequacy /55
2.0
Serviceability /30
2.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
12.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1884
Last Reconstructed
1949
Material
Concrete
Number of Spans
1
Structure Length
8.4 m (28 ft)
Deck Width
8.6 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
9,400 vehicles/day
Structure Number
002171

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

How to read this record

PR 106 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 106 against other structures in Mayagüez 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 106?

PR 106 in Mayagüez, Puerto Rico has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PR 106 inspected?

PR 106'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 9,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PR 106 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 106?

PR 106 has an NBI inventory load rating of 12.9 metric tons.

Who is responsible for maintaining PR 106?

PR 106 is owned and maintained by State Highway Agency.

How old is PR 106 and does age affect safety?

PR 106 was built in 1884, making it 142 years old and last reconstructed in 1949.

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.