US Bridges

Pr 17 Wbd 4.3 KM over Piedras River

Fair

San Juan Municipio, Puerto Rico · East Int Pr 18 and Pr 17 · Structure no. 012042

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
97 ft
3 main spans
Daily traffic
44,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 17 Wbd 4.3 KM over Piedras River is a concrete slab carrying Pr 17 Wbd 4.3 KM over Piedras River in San Juan Municipio, Puerto Rico. It was built in 1950, so it is 75 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.

It carries about 44,600 vehicles a day, roughly 4% of them trucks, projected to reach 56,200 by 2025. The structure is 97 ft (29.7 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 17 Wbd 4.3 KM
CrossesPiedras River
LocationEast Int Pr 18 and Pr 17
RouteState Highway 17
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.40746, -66.06897
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.9 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length97 ft (29.7 m)
Longest span38 ft (11.6 m)
Deck width65 ft (19.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,600 (2017)
Projected traffic56,200 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 17 Wbd 4.3 KM over Piedras River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 17 Wbd 4.3 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 October 2024.

How much traffic does Pr 17 Wbd 4.3 KM over Piedras River carry?

About 44,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 17 Wbd 4.3 KM over Piedras River?

The structure is 97 ft (29.7 m) long with a longest span of 38 ft (11.6 m) and a deck 65 ft wide.

Who owns Pr 17 Wbd 4.3 KM over Piedras River?

It is owned by the State Highway Agency.