US Bridges

Pr 52 over Piedras River

Fair

San Juan Municipio, Puerto Rico · 5 KM South of Rio Piedras · Structure no. 014161

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
120,300
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 over Piedras River is a concrete culvert carrying Pr 52 over Piedras River 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 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 120,300 vehicles a day, roughly 5% of them trucks, projected to reach 137,100 by 2025. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 52
CrossesPiedras River
Location5 KM South of Rio Piedras
RouteInterstate 1
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.34463, -66.06932
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120,300 (2017)
Projected traffic137,100 by 2025
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$231,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 52 over Piedras River built?

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

What condition is Pr 52 over Piedras River 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 over Piedras River carry?

About 120,300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 over Piedras River?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m).

Who owns Pr 52 over Piedras River?

It is owned by the State Toll Authority.