US Bridges

Pr 17 4.0 KM over Piedras River

Fair

San Juan Municipio, Puerto Rico · East Int Pr 18 and Pr 17 · Structure no. 012032

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
21,250
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 17 4.0 KM over Piedras River is a concrete continuous slab carrying Pr 17 4.0 KM over Piedras River in San Juan Municipio, Puerto Rico. It was built in 1967, 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 fair condition with a lowest component rating of 6 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 21,250 vehicles a day, roughly 4% of them trucks, projected to reach 24,850 by 2025. The structure is 98 ft (29.9 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 17 4.0 KM
CrossesPiedras River
LocationEast Int Pr 18 and Pr 17
RouteState Highway 17
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.40712, -66.07528
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span39 ft (11.9 m)
Deck width66 ft (20.1 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,250 (2017)
Projected traffic24,850 by 2025
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$120,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 17 4.0 KM over Piedras River built?

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

What condition is Pr 17 4.0 KM over Piedras 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 January 2024.

How much traffic does Pr 17 4.0 KM over Piedras River carry?

About 21,250 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 17 4.0 KM over Piedras River?

The structure is 98 ft (29.9 m) long with a longest span of 39 ft (11.9 m) and a deck 66 ft wide.

Who owns Pr 17 4.0 KM over Piedras River?

It is owned by the State Highway Agency.