US Bridges

Pr 52 Northbound over Pr 177

Fair

San Juan Municipio, Puerto Rico · 2.1 MI S W of Rio Piedras · Structure no. 012502

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
2 main spans
Daily traffic
153,300
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 Northbound over Pr 177 is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 Northbound over Pr 177 in San Juan Municipio, Puerto Rico. It was built in 1979, so it is 46 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 153,300 vehicles a day, roughly 5% of them trucks, projected to reach 174,800 by 2025. The structure is 205 ft (62.4 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPr 52 Northbound
CrossesPr 177
Location2.1 MI S W of Rio Piedras
RouteInterstate 52
Coordinates18.37086, -66.06997
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.9 US tons
Inventory rating62.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length205 ft (62.4 m)
Longest span97 ft (29.5 m)
Deck width58 ft (17.8 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153,300 (2017)
Projected traffic174,800 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$584,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 Northbound over Pr 177 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Pr 52 Northbound over Pr 177 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 August 2024.

How much traffic does Pr 52 Northbound over Pr 177 carry?

About 153,300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 Northbound over Pr 177?

The structure is 205 ft (62.4 m) long with a longest span of 97 ft (29.5 m) and a deck 58 ft wide.

Who owns Pr 52 Northbound over Pr 177?

It is owned by the State Toll Authority.