US Bridges

Pr 1 15.1 KM over Pr 52 0.15 KM

Poor

San Juan Municipio, Puerto Rico · 6 KM S W of Rio Piedras · Structure no. 012591

Built
1976
49 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
497 ft
6 main spans
Daily traffic
45,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 1 15.1 KM over Pr 52 0.15 KM is a prestressed concrete stringer/multi-beam or girder carrying Pr 1 15.1 KM over Pr 52 0.15 KM in San Juan Municipio, Puerto Rico. It was built in 1976, so it is 49 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 45,500 vehicles a day, roughly 5% of them trucks, projected to reach 53,200 by 2025. The structure is 497 ft (151.5 m) long and 71 ft wide.

Location

Open in Google Maps
CarriesPr 1 15.1 KM
CrossesPr 52 0.15 KM
Location6 KM S W of Rio Piedras
RouteState Highway 1
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.37679, -66.07061
Functional classUrban Other Principal 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length497 ft (151.5 m)
Longest span87 ft (26.5 m)
Deck width71 ft (21.6 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2017)
Projected traffic53,200 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 1 15.1 KM over Pr 52 0.15 KM built?

It was built in 1976, making it 49 years old in 2025.

What condition is Pr 1 15.1 KM over Pr 52 0.15 KM 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 June 2024.

How much traffic does Pr 1 15.1 KM over Pr 52 0.15 KM carry?

About 45,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 1 15.1 KM over Pr 52 0.15 KM?

The structure is 497 ft (151.5 m) long with a longest span of 87 ft (26.5 m) and a deck 71 ft wide.

Who owns Pr 1 15.1 KM over Pr 52 0.15 KM?

It is owned by the State Highway Agency.