US Bridges

Off Pr 378 at 3.30 over Guayanilla River

Fair

Guayanilla Municipio, Puerto Rico · 3.3 KM Int PR378 & Pr · Structure no. 019031

Built
1987
38 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
79 ft
2 main spans
Daily traffic
200
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 378 at 3.30 over Guayanilla River is a concrete continuous slab carrying Off Pr 378 at 3.30 over Guayanilla River in Guayanilla Municipio, Puerto Rico. It was built in 1987, so it is 38 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 6 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 260 by 2025. The structure is 79 ft (24.1 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOff Pr 378 at 3.30
CrossesGuayanilla River
Location3.3 KM Int PR378 & Pr
RouteCounty Highway 0
CountyGuayanilla Municipio
StatePuerto Rico
Coordinates18.06891, -66.79083
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2005)
Projected traffic260 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$553,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 378 at 3.30 over Guayanilla River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Off Pr 378 at 3.30 over Guayanilla 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 July 2023.

How much traffic does Off Pr 378 at 3.30 over Guayanilla River carry?

About 200 vehicles per day (2005 count), of which roughly 2% are trucks.

How long is Off Pr 378 at 3.30 over Guayanilla River?

The structure is 79 ft (24.1 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Off Pr 378 at 3.30 over Guayanilla River?

It is owned by the City or Municipal Highway Agency.