US Bridges

Pr 328 5.7 KM over Irrigation Channel

FairPosted for load

Sabana Grande Municipio, Puerto Rico · 4 KM S W of Sabana Grande · Structure no. 011101

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 328 5.7 KM over Irrigation Channel is a concrete slab carrying Pr 328 5.7 KM over Irrigation Channel in Sabana Grande Municipio, Puerto Rico. It was built in 1960, so it is 65 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 6 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,400 by 2025. The structure is 33 ft (10 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPr 328 5.7 KM
CrossesIrrigation Channel
Location4 KM S W of Sabana Grande
RouteState Highway 328
CountySabana Grande Municipio
StatePuerto Rico
Coordinates18.04778, -66.96944
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10 m)
Longest span30 ft (9.2 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,400 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 328 5.7 KM over Irrigation Channel built?

It was built in 1960, making it 65 years old in 2025.

What condition is Pr 328 5.7 KM over Irrigation Channel 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 328 5.7 KM over Irrigation Channel carry?

About 1,000 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 328 5.7 KM over Irrigation Channel?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.2 m) and a deck 21 ft wide.

Who owns Pr 328 5.7 KM over Irrigation Channel?

It is owned by the State Highway Agency.