US Bridges

Ramp from Pr 20 S over Pr 21

Good

San Juan Municipio, Puerto Rico · 2.3 KM North of Guaynabo · Structure no. 023781

Built
1997
28 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
85,400
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp from Pr 20 S over Pr 21 is a prestressed concrete stringer/multi-beam or girder carrying Ramp from Pr 20 S over Pr 21 in San Juan Municipio, Puerto Rico. It was built in 1997, so it is 28 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 85,400 vehicles a day, roughly 4% of them trucks, projected to reach 107,600 by 2025. The structure is 94 ft (28.7 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesRamp from Pr 20 S
CrossesPr 21
Location2.3 KM North of Guaynabo
RouteU.S. Route 0
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.38969, -66.10454
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,400 (2017)
Projected traffic107,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Ramp from Pr 20 S over Pr 21 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ramp from Pr 20 S over Pr 21 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 February 2023.

How much traffic does Ramp from Pr 20 S over Pr 21 carry?

About 85,400 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Ramp from Pr 20 S over Pr 21?

The structure is 94 ft (28.7 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns Ramp from Pr 20 S over Pr 21?

It is owned by the State Highway Agency.