US Bridges

Pr 52 SB 48.7 KM over Depression

Poor

Cayey Municipio, Puerto Rico · 6.1 KM Southwest of Cayey · Structure no. 020362

Built
1974
51 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
995 ft
11 main spans
Daily traffic
16,450
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 SB 48.7 KM over Depression is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 SB 48.7 KM over Depression in Cayey Municipio, Puerto Rico. It was built in 1974, so it is 51 years old, younger 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.

It carries about 16,450 vehicles a day, roughly 5% of them trucks, projected to reach 20,750 by 2025. The structure is 995 ft (303.3 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPr 52 SB 48.7 KM
CrossesDepression
Location6.1 KM Southwest of Cayey
RouteInterstate 1
CountyCayey Municipio
StatePuerto Rico
Coordinates18.07237, -66.21481
Functional classRural Principal Arterial - Interstate

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating83.1 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length995 ft (303.3 m)
Longest span90 ft (27.3 m)
Deck width47 ft (14.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,450 (2017)
Projected traffic20,750 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 SB 48.7 KM over Depression built?

It was built in 1974, making it 51 years old in 2025.

What condition is Pr 52 SB 48.7 KM over Depression 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 October 2023.

How much traffic does Pr 52 SB 48.7 KM over Depression carry?

About 16,450 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 SB 48.7 KM over Depression?

The structure is 995 ft (303.3 m) long with a longest span of 90 ft (27.3 m) and a deck 47 ft wide.

Who owns Pr 52 SB 48.7 KM over Depression?

It is owned by the State Toll Authority.