US Bridges

Pr 561 over Jacaguas River

Fair

Villalba Municipio, Puerto Rico · 2 KM N E of Villalba · Structure no. 017341

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 561 over Jacaguas River is a prestressed concrete stringer/multi-beam or girder carrying Pr 561 over Jacaguas River in Villalba Municipio, Puerto Rico. It was built in 1981, so it is 44 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 400 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2025. The structure is 114 ft (34.6 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 561
CrossesJacaguas River
Location2 KM N E of Villalba
RouteState Highway 561
CountyVillalba Municipio
StatePuerto Rico
Coordinates18.12923, -66.48368
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.2 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length114 ft (34.6 m)
Longest span112 ft (34.2 m)
Deck width36 ft (10.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic600 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 561 over Jacaguas River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Pr 561 over Jacaguas River 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 June 2023.

How much traffic does Pr 561 over Jacaguas River carry?

About 400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 561 over Jacaguas River?

The structure is 114 ft (34.6 m) long with a longest span of 112 ft (34.2 m) and a deck 36 ft wide.

Who owns Pr 561 over Jacaguas River?

It is owned by the State Highway Agency.