US Bridges

Pr 724 over Aibonito River

FairPosted for load

Aibonito Municipio, Puerto Rico · 1.4 KM N W of Aibonito · Structure no. 008041

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
4,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 724 over Aibonito River is a concrete slab carrying Pr 724 over Aibonito River in Aibonito 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 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 4,300 vehicles a day, roughly 5% of them trucks, projected to reach 6,200 by 2025. The structure is 36 ft (10.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPr 724
CrossesAibonito River
Location1.4 KM N W of Aibonito
RouteState Highway 724
Coordinates18.14833, -66.27444
Functional classUrban 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span32 ft (9.8 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2017)
Projected traffic6,200 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$181,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 724 over Aibonito River built?

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

What condition is Pr 724 over Aibonito 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 October 2023.

How much traffic does Pr 724 over Aibonito River carry?

About 4,300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 724 over Aibonito River?

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.8 m) and a deck 22 ft wide.

Who owns Pr 724 over Aibonito River?

It is owned by the State Highway Agency.