US Bridges

Pr 3 over Dirt Road

Fair

Rio Grande Municipio, Puerto Rico · 6 KM East of Rio Grande · Structure no. 020941

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
37,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 3 over Dirt Road is a prestressed concrete stringer/multi-beam or girder carrying Pr 3 over Dirt Road in Rio Grande Municipio, Puerto Rico. It was built in 1978, so it is 47 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 37,000 vehicles a day, roughly 5% of them trucks, projected to reach 50,700 by 2025. The structure is 96 ft (29.3 m) long and 94 ft wide.

CarriesPr 3
CrossesDirt Road
Location6 KM East of Rio Grande
RouteInterstate 3
Coordinates18.37698, -65.78839
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.4 US tons
Inventory rating59.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span92 ft (28.1 m)
Deck width94 ft (28.5 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2017)
Projected traffic50,700 by 2025
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$142,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 3 over Dirt Road built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pr 3 over Dirt Road 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 February 2023.

How much traffic does Pr 3 over Dirt Road carry?

About 37,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 3 over Dirt Road?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28.1 m) and a deck 94 ft wide.

Who owns Pr 3 over Dirt Road?

It is owned by the State Highway Agency.