US Bridges

PR-1 over San Antonio Channel

Fair

San Juan Municipio, Puerto Rico · 3.8 KM South of San Juan · Structure no. 027021

Built
2003
22 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
339 ft
3 main spans
Daily traffic
45,400
2017 count
Owner
State
State Highway Agency

About this bridge

PR-1 over San Antonio Channel is a prestressed concrete continuous box beam or girders - multiple carrying PR-1 over San Antonio Channel in San Juan Municipio, Puerto Rico. It was built in 2003, so it is 22 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 45,400 vehicles a day, roughly 5% of them trucks, projected to reach 57,200 by 2025. The structure is 339 ft (103.2 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPR-1
CrossesSan Antonio Channel
Location3.8 KM South of San Juan
RouteState Highway 1
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.45925, -66.08716
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating57.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length339 ft (103.2 m)
Longest span129 ft (39.4 m)
Deck width90 ft (27.3 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,400 (2017)
Projected traffic57,200 by 2025
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was PR-1 over San Antonio Channel built?

It was built in 2003, making it 22 years old in 2025.

What condition is PR-1 over San Antonio Channel 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 July 2023.

How much traffic does PR-1 over San Antonio Channel carry?

About 45,400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is PR-1 over San Antonio Channel?

The structure is 339 ft (103.2 m) long with a longest span of 129 ft (39.4 m) and a deck 90 ft wide.

Who owns PR-1 over San Antonio Channel?

It is owned by the State Highway Agency.