US Bridges

PR-66 Eastbound over Dirt RD & Calderon C

Good

Rio Grande Municipio, Puerto Rico · 1.17 Km. PR3 & Int. P · Structure no. 029702

Built
2013
12 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
990 ft
8 main spans
Daily traffic
13,850
2016 count
Owner
State
State Highway Agency

About this bridge

PR-66 Eastbound over Dirt RD & Calderon C is a prestressed concrete stringer/multi-beam or girder carrying PR-66 Eastbound over Dirt RD & Calderon C 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,850 vehicles a day, roughly 5% of them trucks, projected to reach 18,950 by 2025. The structure is 990 ft (301.6 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesPR-66 Eastbound
CrossesDirt RD & Calderon C
Location1.17 Km. PR3 & Int. P
RouteInterstate 66
CountyRio Grande Municipio
StatePuerto Rico
Coordinates18.37182, -65.87514
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length990 ft (301.6 m)
Longest span132 ft (40.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,850 (2016)
Projected traffic18,950 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-66 Eastbound over Dirt RD & Calderon C built?

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

What condition is PR-66 Eastbound over Dirt RD & Calderon C 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 May 2023.

How much traffic does PR-66 Eastbound over Dirt RD & Calderon C carry?

About 13,850 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is PR-66 Eastbound over Dirt RD & Calderon C?

The structure is 990 ft (301.6 m) long with a longest span of 132 ft (40.1 m) and a deck 44 ft wide.

Who owns PR-66 Eastbound over Dirt RD & Calderon C?

It is owned by the State Highway Agency.