US Bridges

Pr 3 31.9 KM over Mameyes Creek

Fair

Luquillo Municipio, Puerto Rico · 6.2 KM West of Luquillo · Structure no. 020961

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
36,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 3 31.9 KM over Mameyes Creek is a concrete culvert carrying Pr 3 31.9 KM over Mameyes Creek in Luquillo Municipio, Puerto Rico. It was built in 1978, so it is 47 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 36,100 vehicles a day, roughly 7% of them trucks, projected to reach 47,700 by 2025. The structure is 28 ft (8.5 m) long and 98 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPr 3 31.9 KM
CrossesMameyes Creek
Location6.2 KM West of Luquillo
RouteInterstate 3
Coordinates18.37188, -65.76716
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.8 m)
Deck width98 ft (30 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,100 (2017)
Projected traffic47,700 by 2025
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$82,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 3 31.9 KM over Mameyes Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pr 3 31.9 KM over Mameyes 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 June 2024.

How much traffic does Pr 3 31.9 KM over Mameyes Creek carry?

About 36,100 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Pr 3 31.9 KM over Mameyes Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.8 m) and a deck 98 ft wide.

Who owns Pr 3 31.9 KM over Mameyes Creek?

It is owned by the State Highway Agency.