US Bridges

Pr 64 over Algarrobo Creek

Fair

Mayaguez Municipio, Puerto Rico · 2.8 KM West of Mayaguez · Structure no. 012911

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
11,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 64 over Algarrobo Creek is a concrete slab carrying Pr 64 over Algarrobo Creek in Mayaguez Municipio, Puerto Rico. It was built in 1971, so it is 54 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 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 11,700 vehicles a day, roughly 4% of them trucks, projected to reach 15,300 by 2025. The structure is 36 ft (11.1 m) long and 105 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPr 64
CrossesAlgarrobo Creek
Location2.8 KM West of Mayaguez
RouteState Highway 64
CountyMayaguez Municipio
StatePuerto Rico
Coordinates18.22917, -67.17206
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span33 ft (10.1 m)
Deck width105 ft (31.9 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2017)
Projected traffic15,300 by 2025
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$71,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 64 over Algarrobo Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Pr 64 over Algarrobo Creek 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 April 2023.

How much traffic does Pr 64 over Algarrobo Creek carry?

About 11,700 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 64 over Algarrobo Creek?

The structure is 36 ft (11.1 m) long with a longest span of 33 ft (10.1 m) and a deck 105 ft wide.

Who owns Pr 64 over Algarrobo Creek?

It is owned by the State Highway Agency.