US Bridges

Pr 857 10.8 KM over Canovanillas River

Fair

Carolina Municipio, Puerto Rico · 5 Miles South of Carolina · Structure no. 008721

Built
1963
62 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
2,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 857 10.8 KM over Canovanillas River is a concrete continuous slab carrying Pr 857 10.8 KM over Canovanillas River in Carolina Municipio, Puerto Rico. It was built in 1963, so it is 62 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 2,700 vehicles a day, roughly 5% of them trucks, projected to reach 3,500 by 2025. The structure is 89 ft (27 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPr 857 10.8 KM
CrossesCanovanillas River
Location5 Miles South of Carolina
RouteState Highway 857
Coordinates18.30924, -65.90515
Functional classUrban Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length89 ft (27 m)
Longest span35 ft (10.7 m)
Deck width22 ft (6.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2017)
Projected traffic3,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 857 10.8 KM over Canovanillas River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Pr 857 10.8 KM over Canovanillas 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 857 10.8 KM over Canovanillas River carry?

About 2,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 857 10.8 KM over Canovanillas River?

The structure is 89 ft (27 m) long with a longest span of 35 ft (10.7 m) and a deck 22 ft wide.

Who owns Pr 857 10.8 KM over Canovanillas River?

It is owned by the State Highway Agency.