US Bridges

Pr 510 over Irrigation Channel

Fair

Juana Diaz Municipio, Puerto Rico · 1 KM Int Pr 14 at KM 15.0 · Structure no. 020071

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
8,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 510 over Irrigation Channel is a concrete slab carrying Pr 510 over Irrigation Channel in Juana Diaz Municipio, Puerto Rico. It was built in 1973, so it is 52 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.

It carries about 8,800 vehicles a day, roughly 4% of them trucks, projected to reach 11,400 by 2025. The structure is 41 ft (12.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPr 510
CrossesIrrigation Channel
Location1 KM Int Pr 14 at KM 15.0
RouteState Highway 510
Coordinates18.04584, -66.4929
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span37 ft (11.2 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2017)
Projected traffic11,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 with deck rehabilitation or replacement
Estimated improvement cost$189,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 510 over Irrigation Channel built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pr 510 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 November 2023.

How much traffic does Pr 510 over Irrigation Channel carry?

About 8,800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 510 over Irrigation Channel?

The structure is 41 ft (12.4 m) long with a longest span of 37 ft (11.2 m) and a deck 29 ft wide.

Who owns Pr 510 over Irrigation Channel?

It is owned by the State Highway Agency.