US Bridges

Pr 3 32.3 KM over Mameyes River

Fair

Luquillo Municipio, Puerto Rico · 5 KM West of Luquillo · Structure no. 017711

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
394 ft
4 main spans
Daily traffic
34,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 3 32.3 KM over Mameyes River is a prestressed concrete stringer/multi-beam or girder carrying Pr 3 32.3 KM over Mameyes River in Luquillo Municipio, Puerto Rico. It was built in 1982, so it is 43 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 5 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 34,700 vehicles a day, roughly 4% of them trucks, projected to reach 45,800 by 2025. The structure is 394 ft (120 m) long and 94 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPr 3 32.3 KM
CrossesMameyes River
Location5 KM West of Luquillo
RouteInterstate 3
CountyLuquillo Municipio
StatePuerto Rico
Coordinates18.37234, -65.76361
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.3 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length394 ft (120 m)
Longest span98 ft (30 m)
Deck width94 ft (28.5 m)
Roadway width90 ft (27.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,700 (2017)
Projected traffic45,800 by 2025
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 3 32.3 KM over Mameyes River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Pr 3 32.3 KM over Mameyes 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 November 2024.

How much traffic does Pr 3 32.3 KM over Mameyes River carry?

About 34,700 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 3 32.3 KM over Mameyes River?

The structure is 394 ft (120 m) long with a longest span of 98 ft (30 m) and a deck 94 ft wide.

Who owns Pr 3 32.3 KM over Mameyes River?

It is owned by the State Highway Agency.