US Bridges

Pr 642 0 KM over Grande De Manati River

Good

Manati Municipio, Puerto Rico · 3.1 KM at South of Manati · Structure no. 025461

Built
1998
27 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,012 ft
8 main spans
Daily traffic
3,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 642 0 KM over Grande De Manati River is a prestressed concrete stringer/multi-beam or girder carrying Pr 642 0 KM over Grande De Manati River in Manati Municipio, Puerto Rico. It was built in 1998, so it is 27 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,700 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2025. The structure is 1,012 ft (308.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPr 642 0 KM
CrossesGrande De Manati River
Location3.1 KM at South of Manati
RouteState Highway 642
CountyManati Municipio
StatePuerto Rico
Coordinates18.39389, -66.49278
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length1,012 ft (308.4 m)
Longest span132 ft (40.1 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2017)
Projected traffic5,000 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 642 0 KM over Grande De Manati River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Pr 642 0 KM over Grande De Manati River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Pr 642 0 KM over Grande De Manati River carry?

About 3,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 642 0 KM over Grande De Manati River?

The structure is 1,012 ft (308.4 m) long with a longest span of 132 ft (40.1 m) and a deck 50 ft wide.

Who owns Pr 642 0 KM over Grande De Manati River?

It is owned by the State Highway Agency.