US Bridges

Pr 512 over Guayo River

Fair

Juana Diaz Municipio, Puerto Rico · 10 KM on West Juana Diaz · Structure no. 027451

Built
2004
21 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
163 ft
2 main spans
Daily traffic
2,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 512 over Guayo River is a prestressed concrete stringer/multi-beam or girder carrying Pr 512 over Guayo River in Juana Diaz Municipio, Puerto Rico. It was built in 2004, so it is 21 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 6 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 2,600 vehicles a day, roughly 4% of them trucks, projected to reach 3,700 by 2025. The structure is 163 ft (49.8 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 512
CrossesGuayo River
Location10 KM on West Juana Diaz
RouteState Highway 512
CountyJuana Diaz Municipio
StatePuerto Rico
Coordinates18.08128, -66.53693
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.6 US tons
Inventory rating64.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length163 ft (49.8 m)
Longest span82 ft (24.9 m)
Deck width48 ft (14.5 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2017)
Projected traffic3,700 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$217,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 512 over Guayo River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Pr 512 over Guayo 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 October 2023.

How much traffic does Pr 512 over Guayo River carry?

About 2,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 512 over Guayo River?

The structure is 163 ft (49.8 m) long with a longest span of 82 ft (24.9 m) and a deck 48 ft wide.

Who owns Pr 512 over Guayo River?

It is owned by the State Highway Agency.