US Bridges

PR-66 over Dirt Road

Good

Rio Grande Municipio, Puerto Rico · PR-66 KM.17.5 · Structure no. 029782

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
10,500
2017 count
Owner
State
State Highway Agency

About this bridge

PR-66 over Dirt Road is a prestressed concrete stringer/multi-beam or girder carrying PR-66 over Dirt Road in Rio Grande Municipio, Puerto Rico. It was built in 2013, so it is 12 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 4% of them trucks, projected to reach 14,400 by 2025. The structure is 78 ft (23.8 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPR-66
CrossesDirt Road
LocationPR-66 KM.17.5
RouteInterstate 66
CountyRio Grande Municipio
StatePuerto Rico
Coordinates18.36844, -65.84317
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span75 ft (22.8 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2017)
Projected traffic14,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemNo
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-66 over Dirt Road built?

It was built in 2013, making it 12 years old in 2025.

What condition is PR-66 over Dirt Road in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does PR-66 over Dirt Road carry?

About 10,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is PR-66 over Dirt Road?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.8 m) and a deck 44 ft wide.

Who owns PR-66 over Dirt Road?

It is owned by the State Highway Agency.