US Bridges

Pr 52 57.4 KM over Majadas River & Pr 7

Poor

Salinas Municipio, Puerto Rico · 10 KM N E of Salinas · Structure no. 020592

Built
1972
53 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
387 ft
4 main spans
Daily traffic
17,450
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 57.4 KM over Majadas River & Pr 7 is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 57.4 KM over Majadas River & Pr 7 in Salinas Municipio, Puerto Rico. It was built in 1972, so it is 53 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 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 17,450 vehicles a day, roughly 4% of them trucks, projected to reach 25,300 by 2025. The structure is 387 ft (118.1 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPr 52 57.4 KM
CrossesMajadas River & Pr 7
Location10 KM N E of Salinas
RouteInterstate 1
Coordinates18.03631, -66.23945
Functional classRural Principal Arterial - Interstate

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.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating52.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length387 ft (118.1 m)
Longest span93 ft (28.4 m)
Deck width47 ft (14.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,450 (2017)
Projected traffic25,300 by 2025
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$839,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 57.4 KM over Majadas River & Pr 7 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Pr 52 57.4 KM over Majadas River & Pr 7 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 June 2024.

How much traffic does Pr 52 57.4 KM over Majadas River & Pr 7 carry?

About 17,450 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 52 57.4 KM over Majadas River & Pr 7?

The structure is 387 ft (118.1 m) long with a longest span of 93 ft (28.4 m) and a deck 47 ft wide.

Who owns Pr 52 57.4 KM over Majadas River & Pr 7?

It is owned by the State Toll Authority.