US Bridges

Pr 20 over Pr 1

Good

Guaynabo Municipio, Puerto Rico · 0.4 KM S Int Pr 1 Pr 837 · Structure no. 026021

Built
2000
25 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
206 ft
2 main spans
Daily traffic
34,900
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 20 over Pr 1 is a prestressed concrete stringer/multi-beam or girder carrying Pr 20 over Pr 1 in Guaynabo Municipio, Puerto Rico. It was built in 2000, so it is 25 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 34,900 vehicles a day, roughly 5% of them trucks, projected to reach 44,000 by 2025. The structure is 206 ft (62.9 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesPr 20
CrossesPr 1
Location0.4 KM S Int Pr 1 Pr 837
RouteState Highway 20
CountyGuaynabo Municipio
StatePuerto Rico
Coordinates18.3271, -66.09827
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length206 ft (62.9 m)
Longest span100 ft (30.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,900 (2017)
Projected traffic44,000 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 20 over Pr 1 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Pr 20 over Pr 1 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 Pr 20 over Pr 1 carry?

About 34,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 20 over Pr 1?

The structure is 206 ft (62.9 m) long with a longest span of 100 ft (30.6 m) and a deck 42 ft wide.

Who owns Pr 20 over Pr 1?

It is owned by the State Toll Authority.