US Bridges

Pr 187 26.2 KM over Herrera River

Fair

Rio Grande Municipio, Puerto Rico · 5 KM N W of Rio Grande · Structure no. 019631

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
5,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 187 26.2 KM over Herrera River is a prestressed concrete stringer/multi-beam or girder carrying Pr 187 26.2 KM over Herrera River in Rio Grande Municipio, Puerto Rico. It was built in 1990, so it is 35 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 5,200 vehicles a day, roughly 4% of them trucks, projected to reach 7,000 by 2025. The structure is 164 ft (50 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPr 187 26.2 KM
CrossesHerrera River
Location5 KM N W of Rio Grande
RouteState Highway 187
CountyRio Grande Municipio
StatePuerto Rico
Coordinates18.40799, -65.82633
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.9 US tons
Inventory rating50.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span55 ft (16.7 m)
Deck width50 ft (15.1 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2017)
Projected traffic7,000 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 187 26.2 KM over Herrera River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pr 187 26.2 KM over Herrera River 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 August 2024.

How much traffic does Pr 187 26.2 KM over Herrera River carry?

About 5,200 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 187 26.2 KM over Herrera River?

The structure is 164 ft (50 m) long with a longest span of 55 ft (16.7 m) and a deck 50 ft wide.

Who owns Pr 187 26.2 KM over Herrera River?

It is owned by the State Highway Agency.