US Bridges

Pr 20 Northbound over Pr 169 & Frailes Cre

Fair

Guaynabo Municipio, Puerto Rico · 1.5 KM N E of Guaynabo · Structure no. 018752

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
342 ft
3 main spans
Daily traffic
76,600
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 20 Northbound over Pr 169 & Frailes Cre is a prestressed concrete stringer/multi-beam or girder carrying Pr 20 Northbound over Pr 169 & Frailes Cre in Guaynabo Municipio, Puerto Rico. It was built in 1987, so it is 38 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 76,600 vehicles a day, roughly 4% of them trucks, projected to reach 96,500 by 2025. The structure is 342 ft (104.2 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 20 Northbound
CrossesPr 169 & Frailes Cre
Location1.5 KM N E of Guaynabo
RouteState Highway 20
CountyGuaynabo Municipio
StatePuerto Rico
Coordinates18.36657, -66.10925
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span114 ft (34.8 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,600 (2017)
Projected traffic96,500 by 2025
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 20 Northbound over Pr 169 & Frailes Cre built?

It was built in 1987, making it 38 years old in 2025.

What condition is Pr 20 Northbound over Pr 169 & Frailes Cre 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 September 2024.

How much traffic does Pr 20 Northbound over Pr 169 & Frailes Cre carry?

About 76,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 20 Northbound over Pr 169 & Frailes Cre?

The structure is 342 ft (104.2 m) long with a longest span of 114 ft (34.8 m) and a deck 53 ft wide.

Who owns Pr 20 Northbound over Pr 169 & Frailes Cre?

It is owned by the State Toll Authority.