US Bridges

PR-18 over PR-52 Ramp PR-18

Good

San Juan Municipio, Puerto Rico · PR-18 · Structure no. 030961

Built
2020
5 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
560 ft
6 main spans
Daily traffic
169,100
2017 count
Owner
State
State Highway Agency

About this bridge

PR-18 over PR-52 Ramp PR-18 is a prestressed concrete stringer/multi-beam or girder carrying PR-18 over PR-52 Ramp PR-18 in San Juan Municipio, Puerto Rico. It was built in 2020, so it is 5 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 169,100 vehicles a day, roughly 7% of them trucks, projected to reach 192,800 by 2025. The structure is 560 ft (170.7 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesPR-18
CrossesPR-52 Ramp PR-18
LocationPR-18
RouteState Highway 18
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.37733, -66.07126
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length560 ft (170.7 m)
Longest span111 ft (33.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169,100 (2017)
Projected traffic192,800 by 2025
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-18 over PR-52 Ramp PR-18 built?

It was built in 2020, making it 5 years old in 2025.

What condition is PR-18 over PR-52 Ramp PR-18 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does PR-18 over PR-52 Ramp PR-18 carry?

About 169,100 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is PR-18 over PR-52 Ramp PR-18?

The structure is 560 ft (170.7 m) long with a longest span of 111 ft (33.8 m) and a deck 29 ft wide.

Who owns PR-18 over PR-52 Ramp PR-18?

It is owned by the State Highway Agency.