US Bridges

Pr 52 Southbound over Pr 536

Fair

Santa Isabel Municipio, Puerto Rico · 7 KM N W of Santa Isabel · Structure no. 011612

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
13,950
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 Southbound over Pr 536 is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 Southbound over Pr 536 in Santa Isabel Municipio, Puerto Rico. It was built in 1970, so it is 55 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,950 vehicles a day, roughly 5% of them trucks, projected to reach 20,250 by 2025. The structure is 103 ft (31.3 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 52 Southbound
CrossesPr 536
Location7 KM N W of Santa Isabel
RouteInterstate 52
CountySanta Isabel Municipio
StatePuerto Rico
Coordinates18.02832, -66.42095
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.3 m)
Longest span103 ft (31.3 m)
Deck width47 ft (14.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,950 (2017)
Projected traffic20,250 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 Southbound over Pr 536 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pr 52 Southbound over Pr 536 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Pr 52 Southbound over Pr 536 carry?

About 13,950 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 Southbound over Pr 536?

The structure is 103 ft (31.3 m) long with a longest span of 103 ft (31.3 m) and a deck 47 ft wide.

Who owns Pr 52 Southbound over Pr 536?

It is owned by the State Toll Authority.