US Bridges

Pr 743 over LA Plata River

FairPosted for load

Cayey Municipio, Puerto Rico · 3 Miles N E of Cayey · Structure no. 006221

Built
1951
74 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
4,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 743 over LA Plata River is a concrete continuous slab carrying Pr 743 over LA Plata River in Cayey Municipio, Puerto Rico. It was built in 1951, so it is 74 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,800 by 2025. The structure is 120 ft (36.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 743
CrossesLA Plata River
Location3 Miles N E of Cayey
RouteState Highway 743
CountyCayey Municipio
StatePuerto Rico
Coordinates18.1204, -66.12271
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length120 ft (36.6 m)
Longest span36 ft (11 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2017)
Projected traffic5,800 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$473,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 743 over LA Plata River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Pr 743 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 August 2024.

How much traffic does Pr 743 over LA Plata River carry?

About 4,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 743 over LA Plata River?

The structure is 120 ft (36.6 m) long with a longest span of 36 ft (11 m) and a deck 25 ft wide.

Who owns Pr 743 over LA Plata River?

It is owned by the State Highway Agency.