US Bridges

Pr 52 Northbound over Coamo River & Pr 545

Fair

Santa Isabel Municipio, Puerto Rico · 4 Miles N of Santa Isabel · Structure no. 011622

Built
1972
53 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
451 ft
5 main spans
Daily traffic
20,600
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 Northbound over Coamo River & Pr 545 is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 Northbound over Coamo River & Pr 545 in Santa Isabel Municipio, Puerto Rico. It was built in 1972 and reconstructed in 1992, so it is 53 years old, older 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 20,600 vehicles a day, roughly 5% of them trucks, projected to reach 29,850 by 2025. The structure is 451 ft (137.4 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 52 Northbound
CrossesCoamo River & Pr 545
Location4 Miles N of Santa Isabel
RouteInterstate 52
CountySanta Isabel Municipio
StatePuerto Rico
Coordinates18.01372, -66.39052
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating65.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length451 ft (137.4 m)
Longest span103 ft (31.4 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,600 (2017)
Projected traffic29,850 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 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$4.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 Northbound over Coamo River & Pr 545 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1992.

What condition is Pr 52 Northbound over Coamo River & Pr 545 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 Northbound over Coamo River & Pr 545 carry?

About 20,600 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 Northbound over Coamo River & Pr 545?

The structure is 451 ft (137.4 m) long with a longest span of 103 ft (31.4 m) and a deck 44 ft wide.

Who owns Pr 52 Northbound over Coamo River & Pr 545?

It is owned by the State Toll Authority.