US Bridges

Pr 364 over Grande River

FairPosted for load

Sabana Grande Municipio, Puerto Rico · 3.0 Kms NE Sabana Grande · Structure no. 008271

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 364 over Grande River is a concrete continuous slab carrying Pr 364 over Grande River in Sabana Grande Municipio, Puerto Rico. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 4% of them trucks, projected to reach 1,200 by 2025. The structure is 99 ft (30.1 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPr 364
CrossesGrande River
Location3.0 Kms NE Sabana Grande
RouteState Highway 364
Coordinates18.09637, -66.93777
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length99 ft (30.1 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.8 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2017)
Projected traffic1,200 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$342,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 364 over Grande River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Pr 364 over Grande 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 March 2023.

How much traffic does Pr 364 over Grande River carry?

About 800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 364 over Grande River?

The structure is 99 ft (30.1 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Pr 364 over Grande River?

It is owned by the State Highway Agency.