US Bridges

Pr 378 3.8 KM over Grande Creek

FairPosted for load

Guayanilla Municipio, Puerto Rico · 6 KM North of Guayanilla · Structure no. 007831

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 378 3.8 KM over Grande Creek is a concrete continuous slab carrying Pr 378 3.8 KM over Grande Creek in Guayanilla Municipio, Puerto Rico. It was built in 1959, so it is 66 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 400 vehicles a day, roughly 2% of them trucks, projected to reach 500 by 2025. The structure is 42 ft (12.8 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPr 378 3.8 KM
CrossesGrande Creek
Location6 KM North of Guayanilla
RouteState Highway 378
Coordinates18.0725, -66.79412
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.1 US tons
Inventory rating14.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic500 by 2025
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 378 3.8 KM over Grande Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Pr 378 3.8 KM over Grande 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 August 2024.

How much traffic does Pr 378 3.8 KM over Grande Creek carry?

About 400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 378 3.8 KM over Grande Creek?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Pr 378 3.8 KM over Grande Creek?

It is owned by the State Highway Agency.