US Bridges

Pr 171 6.0 KM over LA Plata River

Fair

Cidra Municipio, Puerto Rico · 6 KM South of Cidra · Structure no. 026031

Built
2000
25 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
3 main spans
Daily traffic
8,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 171 6.0 KM over LA Plata River is a prestressed concrete stringer/multi-beam or girder carrying Pr 171 6.0 KM over LA Plata River in Cidra Municipio, Puerto Rico. It was built in 2000, so it is 25 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 8,300 vehicles a day, roughly 4% of them trucks, projected to reach 10,000 by 2025. The structure is 209 ft (63.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 171 6.0 KM
CrossesLA Plata River
Location6 KM South of Cidra
RouteState Highway 171
CountyCidra Municipio
StatePuerto Rico
Coordinates18.13361, -66.16851
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length209 ft (63.8 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2017)
Projected traffic10,000 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 171 6.0 KM over LA Plata River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Pr 171 6.0 KM over LA Plata 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 January 2024.

How much traffic does Pr 171 6.0 KM over LA Plata River carry?

About 8,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 171 6.0 KM over LA Plata River?

The structure is 209 ft (63.8 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns Pr 171 6.0 KM over LA Plata River?

It is owned by the State Highway Agency.