US Bridges

Pr 18 over Kalaf Street

FairPosted for load

San Juan Municipio, Puerto Rico · North Plaza Las Americas · Structure no. 012991

Built
1972
53 years old, rebuilt 1983
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
183,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 18 over Kalaf Street is a concrete continuous tee beam carrying Pr 18 over Kalaf Street in San Juan Municipio, Puerto Rico. It was built in 1972 and reconstructed in 1983, so it is 53 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 183,900 vehicles a day, roughly 4% of them trucks, projected to reach 209,600 by 2025. The structure is 156 ft (47.5 m) long and 179 ft wide.

Location

Open in Google Maps
CarriesPr 18
CrossesKalaf Street
LocationNorth Plaza Las Americas
RouteInterstate 18
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.42598, -66.07307
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.4 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span59 ft (18.1 m)
Deck width179 ft (54.5 m)
Roadway width174 ft (52.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,900 (2017)
Projected traffic209,600 by 2025
Trucks4%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$660,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 18 over Kalaf Street built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1983.

What condition is Pr 18 over Kalaf Street 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 March 2023.

How much traffic does Pr 18 over Kalaf Street carry?

About 183,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 18 over Kalaf Street?

The structure is 156 ft (47.5 m) long with a longest span of 59 ft (18.1 m) and a deck 179 ft wide.

Who owns Pr 18 over Kalaf Street?

It is owned by the State Highway Agency.