US Bridges

Pr 187 4.2 KM over Boca De Cangrejo Channel

Fair

Carolina Municipio, Puerto Rico · 8 KM West of Loiza · Structure no. 022911

Built
1993
32 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
329 ft
4 main spans
Daily traffic
12,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 187 4.2 KM over Boca De Cangrejo Channel is a prestressed concrete stringer/multi-beam or girder carrying Pr 187 4.2 KM over Boca De Cangrejo Channel in Carolina Municipio, Puerto Rico. It was built in 1993, so it is 32 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 12,300 vehicles a day, roughly 5% of them trucks, projected to reach 16,000 by 2025. The structure is 329 ft (100.4 m) long and 49 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesPr 187 4.2 KM
CrossesBoca De Cangrejo Channel
Location8 KM West of Loiza
RouteState Highway 187
CountyCarolina Municipio
StatePuerto Rico
Coordinates18.45795, -65.99288
Functional classUrban Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating88.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length329 ft (100.4 m)
Longest span82 ft (25.1 m)
Deck width49 ft (14.8 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2017)
Projected traffic16,000 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 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$3.5 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Pr 187 4.2 KM over Boca De Cangrejo Channel built?

It was built in 1993, making it 32 years old in 2025.

What condition is Pr 187 4.2 KM over Boca De Cangrejo Channel 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 December 2023.

How much traffic does Pr 187 4.2 KM over Boca De Cangrejo Channel carry?

About 12,300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 187 4.2 KM over Boca De Cangrejo Channel?

The structure is 329 ft (100.4 m) long with a longest span of 82 ft (25.1 m) and a deck 49 ft wide.

Who owns Pr 187 4.2 KM over Boca De Cangrejo Channel?

It is owned by the State Highway Agency.