US Bridges

Ramp PR18 to PR22 over Pr 18

Fair

San Juan Municipio, Puerto Rico · Pr 18 to Pr 22 KM 0.2 · Structure no. 014411

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
257 ft
3 main spans
Daily traffic
183,900
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp PR18 to PR22 over Pr 18 is a prestressed concrete box beam or girders - multiple carrying Ramp PR18 to PR22 over Pr 18 in San Juan Municipio, Puerto Rico. It was built in 1975, so it is 50 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 5 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 183,900 vehicles a day, roughly 5% of them trucks, projected to reach 209,600 by 2025. The structure is 257 ft (78.3 m) long and 39 ft wide.

CarriesRamp PR18 to PR22
CrossesPr 18
LocationPr 18 to Pr 22 KM 0.2
RouteInterstate 18
Coordinates18.42775, -66.0747
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating65.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span112 ft (34.1 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,900 (2017)
Projected traffic209,600 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp PR18 to PR22 over Pr 18 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ramp PR18 to PR22 over Pr 18 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 April 2024.

How much traffic does Ramp PR18 to PR22 over Pr 18 carry?

About 183,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Ramp PR18 to PR22 over Pr 18?

The structure is 257 ft (78.3 m) long with a longest span of 112 ft (34.1 m) and a deck 39 ft wide.

Who owns Ramp PR18 to PR22 over Pr 18?

It is owned by the State Highway Agency.