Pr 187 17.2 KM over Grande De Loiza River

Poor

Loiza Municipio, Puerto Rico · 1 KM West of Loiza · Structure no. 018251

Built: 1985; 40 years old
Condition: Poor; inspected November 2024
Type: Stringer/Multi-beam or Girder; Prestressed Concrete
Length: 1,353 ft; 11 main spans
Daily traffic: 8,200; 2017 count
Owner: State; State Highway Agency

About this bridge

Pr 187 17.2 KM over Grande De Loiza River is a prestressed concrete stringer/multi-beam or girder carrying Pr 187 17.2 KM over Grande De Loiza River in Loiza Municipio, Puerto Rico. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 10,700 by 2025. The structure is 1,353 ft (412.4 m) long and 52 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesPr 187 17.2 KM

CrossesGrande De Loiza River

Location1 KM West of Loiza

RouteState Highway 187

CountyLoiza Municipio

StatePuerto Rico

Coordinates18.43471, -65.88429

Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	4 Poor	Advanced section loss, deterioration, spalling or scour.
Substructure	4 Poor	Advanced section loss, deterioration, spalling or scour.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionNovember 2024

Inspection intervalevery 12 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation4: Meets minimum tolerable limits to be left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating61.7 US tons

Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans11

Design loadUnknown

Structure length1,353 ft (412.4 m)

Longest span117 ft (35.8 m)

Deck width52 ft (15.9 m)

Roadway width40 ft (12.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2017)

Projected traffic10,700 by 2025

Trucks5%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway and pedestrian

CrossesWaterway

Detour if closed26.1 mi (42 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$15.3 million (2017 estimate)

NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Pr 187 17.2 KM over Grande De Loiza River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pr 187 17.2 KM over Grande De Loiza River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Pr 187 17.2 KM over Grande De Loiza River carry?

About 8,200 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 187 17.2 KM over Grande De Loiza River?

The structure is 1,353 ft (412.4 m) long with a longest span of 117 ft (35.8 m) and a deck 52 ft wide.

Who owns Pr 187 17.2 KM over Grande De Loiza River?

It is owned by the State Highway Agency.