US Bridges

Pr 3 over Anton Ruiz River

Fair

Humacao Municipio, Puerto Rico · 5 KM South of Naguabo · Structure no. 014901

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
284 ft
3 main spans
Daily traffic
5,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 3 over Anton Ruiz River is a prestressed concrete stringer/multi-beam or girder carrying Pr 3 over Anton Ruiz River in Humacao Municipio, Puerto Rico. It was built in 1977, so it is 48 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 5,300 vehicles a day, roughly 4% of them trucks, projected to reach 7,200 by 2025. The structure is 284 ft (86.6 m) long and 51 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesPr 3
CrossesAnton Ruiz River
Location5 KM South of Naguabo
RouteState Highway 3
CountyHumacao Municipio
StatePuerto Rico
Coordinates18.17472, -65.73917
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length284 ft (86.6 m)
Longest span95 ft (29.1 m)
Deck width51 ft (15.4 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2017)
Projected traffic7,200 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$3.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 3 over Anton Ruiz River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Pr 3 over Anton Ruiz 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 2024.

How much traffic does Pr 3 over Anton Ruiz River carry?

About 5,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 3 over Anton Ruiz River?

The structure is 284 ft (86.6 m) long with a longest span of 95 ft (29.1 m) and a deck 51 ft wide.

Who owns Pr 3 over Anton Ruiz River?

It is owned by the State Highway Agency.