US Bridges

Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8

Good

San Juan Municipio, Puerto Rico · 2.3 KM North of Guaynabo · Structure no. 023761

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
40,400
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8 is a prestressed concrete stringer/multi-beam or girder carrying Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8 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 40,400 vehicles a day, projected to reach 50,900 by 2025. The structure is 94 ft (28.6 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesRamp from Pr 20 NB
CrossesPr 21 KM 1.8 KM 4.8
Location2.3 KM North of Guaynabo
RouteState Highway 20
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.38951, -66.10415
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 rating102.7 US tons
Inventory rating61.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length94 ft (28.6 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,400 (2017)
Projected traffic50,900 by 2025
Trucks0%
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 NB over Pr 21 KM 1.8 KM 4.8 built?

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

What condition is Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8 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 NB over Pr 21 KM 1.8 KM 4.8 carry?

About 40,400 vehicles per day (2017 count).

How long is Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8?

The structure is 94 ft (28.6 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns Ramp from Pr 20 NB over Pr 21 KM 1.8 KM 4.8?

It is owned by the State Highway Agency.