US Bridges

Pr 146 28 KM over Cialitos River

Fair

Ciales Municipio, Puerto Rico · 0.5 KM North of Ciales · Structure no. 013521

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
2 main spans
Daily traffic
4,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 146 28 KM over Cialitos River is a prestressed concrete stringer/multi-beam or girder carrying Pr 146 28 KM over Cialitos River in Ciales Municipio, Puerto Rico. It was built in 1973, so it is 52 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 4,800 vehicles a day, roughly 5% of them trucks, projected to reach 6,200 by 2025. The structure is 143 ft (43.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 146 28 KM
CrossesCialitos River
Location0.5 KM North of Ciales
RouteState Highway 146
CountyCiales Municipio
StatePuerto Rico
Coordinates18.34275, -66.47041
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.7 US tons
Inventory rating48.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length143 ft (43.5 m)
Longest span72 ft (21.8 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2017)
Projected traffic6,200 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 146 28 KM over Cialitos River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pr 146 28 KM over Cialitos 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 March 2024.

How much traffic does Pr 146 28 KM over Cialitos River carry?

About 4,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 146 28 KM over Cialitos River?

The structure is 143 ft (43.5 m) long with a longest span of 72 ft (21.8 m) and a deck 43 ft wide.

Who owns Pr 146 28 KM over Cialitos River?

It is owned by the State Highway Agency.