US Bridges

Pr 18 2.6 KM over Pr 17 4.0 KM

PoorPosted for load

San Juan Municipio, Puerto Rico · At Int Pr 18 and Pr 17 · Structure no. 010081

Built
1967
58 years old, rebuilt 1982
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
219 ft
4 main spans
Daily traffic
183,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 18 2.6 KM over Pr 17 4.0 KM is a concrete continuous tee beam carrying Pr 18 2.6 KM over Pr 17 4.0 KM in San Juan Municipio, Puerto Rico. It was built in 1967 and reconstructed in 1982, so it is 58 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 183,800 vehicles a day, roughly 5% of them trucks, projected to reach 209,500 by 2025. The structure is 219 ft (66.6 m) long and 148 ft wide.

CarriesPr 18 2.6 KM
CrossesPr 17 4.0 KM
LocationAt Int Pr 18 and Pr 17
RouteInterstate 18
Coordinates18.40698, -66.06965
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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.
Last inspectionJanuary 2024
Inspection intervalevery 12 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span66 ft (20.1 m)
Deck width148 ft (45.2 m)
Roadway width141 ft (43.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,800 (2017)
Projected traffic209,500 by 2025
Trucks5%
Lanes on structure10
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$828,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 18 2.6 KM over Pr 17 4.0 KM built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1982.

What condition is Pr 18 2.6 KM over Pr 17 4.0 KM in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Pr 18 2.6 KM over Pr 17 4.0 KM carry?

About 183,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 18 2.6 KM over Pr 17 4.0 KM?

The structure is 219 ft (66.6 m) long with a longest span of 66 ft (20.1 m) and a deck 148 ft wide.

Who owns Pr 18 2.6 KM over Pr 17 4.0 KM?

It is owned by the State Highway Agency.