US Bridges

Pr 52 Sobd 8.7 KM over Local Road

Fair

San Juan Municipio, Puerto Rico · 11.5 KM SW of Rio Piedras · Structure no. 012732

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
52,700
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 Sobd 8.7 KM over Local Road is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 Sobd 8.7 KM over Local Road in San Juan Municipio, Puerto Rico. It was built in 1977, so it is 48 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 fair condition with a lowest component rating of 5 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 52,700 vehicles a day, roughly 5% of them trucks, projected to reach 60,100 by 2025. The structure is 102 ft (31.2 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 52 Sobd 8.7 KM
CrossesLocal Road
Location11.5 KM SW of Rio Piedras
RouteInterstate 52
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.31879, -66.0355
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.3 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span98 ft (30 m)
Deck width59 ft (18 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,700 (2017)
Projected traffic60,100 by 2025
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$167,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 Sobd 8.7 KM over Local Road built?

It was built in 1977, making it 48 years old in 2025.

What condition is Pr 52 Sobd 8.7 KM over Local Road 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 July 2024.

How much traffic does Pr 52 Sobd 8.7 KM over Local Road carry?

About 52,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 Sobd 8.7 KM over Local Road?

The structure is 102 ft (31.2 m) long with a longest span of 98 ft (30 m) and a deck 59 ft wide.

Who owns Pr 52 Sobd 8.7 KM over Local Road?

It is owned by the State Toll Authority.