US Bridges

Off Pr 913 over Waterway

Fair

San Lorenzo Municipio, Puerto Rico · 4.5 KM of Pr 913 KM 10.6 · Structure no. 028411

Built
2007
18 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 913 over Waterway is a prestressed concrete stringer/multi-beam or girder carrying Off Pr 913 over Waterway in San Lorenzo Municipio, Puerto Rico. It was built in 2007, so it is 18 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 800 by 2025. The structure is 32 ft (9.9 m) long and 20 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesOff Pr 913
CrossesWaterway
Location4.5 KM of Pr 913 KM 10.6
RouteCounty Highway 0
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.13757, -65.98822
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span32 ft (9.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck33 ft (10 m)

Traffic and service

Average daily traffic600 (2017)
Projected traffic800 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 913 over Waterway built?

It was built in 2007, making it 18 years old in 2025.

What condition is Off Pr 913 over Waterway 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 November 2024.

How much traffic does Off Pr 913 over Waterway carry?

About 600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off Pr 913 over Waterway?

The structure is 32 ft (9.9 m) long with a longest span of 32 ft (9.9 m) and a deck 20 ft wide.

Who owns Off Pr 913 over Waterway?

It is owned by the City or Municipal Highway Agency.