US Bridges

Pr 18 1.00 KM over Pr 23 2.50 KM

PoorPosted for load

San Juan Municipio, Puerto Rico · At Int Pr 18 and Pr 23 · Structure no. 010161

Built
1967
58 years old, rebuilt 1982
Condition
Poor
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
219 ft
4 main spans
Daily traffic
183,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 18 1.00 KM over Pr 23 2.50 KM is a concrete continuous tee beam carrying Pr 18 1.00 KM over Pr 23 2.50 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 3 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 183,900 vehicles a day, roughly 8% of them trucks, projected to reach 209,600 by 2025. The structure is 219 ft (66.6 m) long and 170 ft wide.

CarriesPr 18 1.00 KM
CrossesPr 23 2.50 KM
LocationAt Int Pr 18 and Pr 23
RouteInterstate 18
Coordinates18.41999, -66.07075
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span68 ft (20.6 m)
Deck width170 ft (51.9 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,900 (2017)
Projected traffic209,600 by 2025
Trucks8%
Lanes on structure12
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$881,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 18 1.00 KM over Pr 23 2.50 KM built?

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

What condition is Pr 18 1.00 KM over Pr 23 2.50 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 March 2024.

How much traffic does Pr 18 1.00 KM over Pr 23 2.50 KM carry?

About 183,900 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Pr 18 1.00 KM over Pr 23 2.50 KM?

The structure is 219 ft (66.6 m) long with a longest span of 68 ft (20.6 m) and a deck 170 ft wide.

Who owns Pr 18 1.00 KM over Pr 23 2.50 KM?

It is owned by the State Highway Agency.