US Bridges

Pr 106 over Gandel Creek

PoorPosted for load

Mayaguez Municipio, Puerto Rico · 2.5 KM East of Mayaguez · Structure no. 002171

Built
1884
141 years old, rebuilt 1949
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
9,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 106 over Gandel Creek is a concrete tee beam carrying Pr 106 over Gandel Creek in Mayaguez Municipio, Puerto Rico. It was built in 1884 and reconstructed in 1949, so it is 141 years old, older than the Puerto Rico average of 51.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 9,400 vehicles a day, roughly 5% of them trucks, projected to reach 12,300 by 2025. The structure is 28 ft (8.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPr 106
CrossesGandel Creek
Location2.5 KM East of Mayaguez
RouteState Highway 106
Coordinates18.20972, -67.11546
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23 US tons
Inventory rating14.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.4 m)
Longest span28 ft (8.4 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2017)
Projected traffic12,300 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$176,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 106 over Gandel Creek built?

It was built in 1884, making it 141 years old in 2025. It was reconstructed in 1949.

What condition is Pr 106 over Gandel Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Pr 106 over Gandel Creek carry?

About 9,400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 106 over Gandel Creek?

The structure is 28 ft (8.4 m) long with a longest span of 28 ft (8.4 m) and a deck 28 ft wide.

Who owns Pr 106 over Gandel Creek?

It is owned by the State Highway Agency.