US Bridges

Pr 988 KM 2.7 over Mameyes River

PoorClosed to traffic

Luquillo Municipio, Puerto Rico · 8 KM S W of Luquillo · Structure no. 009621

Built
1966
59 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
2,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 988 KM 2.7 over Mameyes River is a concrete continuous slab carrying Pr 988 KM 2.7 over Mameyes River in Luquillo Municipio, Puerto Rico. It was built in 1966, so it is 59 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. Its operating status is: closed to all traffic.

It carries about 2,800 vehicles a day, roughly 3% of them trucks, projected to reach 4,000 by 2025. The structure is 99 ft (30.3 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPr 988 KM 2.7
CrossesMameyes River
Location8 KM S W of Luquillo
RouteState Highway 988
Coordinates18.32719, -65.75025
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.1 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length99 ft (30.3 m)
Longest span39 ft (12 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2017)
Projected traffic4,000 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$76,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 988 KM 2.7 over Mameyes River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Pr 988 KM 2.7 over Mameyes River 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 April 2024.

How much traffic does Pr 988 KM 2.7 over Mameyes River carry?

About 2,800 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 988 KM 2.7 over Mameyes River?

The structure is 99 ft (30.3 m) long with a longest span of 39 ft (12 m) and a deck 41 ft wide.

Who owns Pr 988 KM 2.7 over Mameyes River?

It is owned by the State Highway Agency.