US Bridges

Pr 103 6.3 KM over Channel

PoorPosted for load

Cabo Rojo Municipio, Puerto Rico · 2 KM N E of Cabo Rojo · Structure no. 013811

Built
1910
115 years old
Condition
Poor
inspected March 2025
Type
Slab
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
5,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 103 6.3 KM over Channel is a concrete continuous slab carrying Pr 103 6.3 KM over Channel in Cabo Rojo Municipio, Puerto Rico. It was built in 1910, so it is 115 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,500 by 2025. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

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CarriesPr 103 6.3 KM
CrossesChannel
Location2 KM N E of Cabo Rojo
RouteState Highway 103
CountyCabo Rojo Municipio
StatePuerto Rico
Coordinates18.09924, -67.12966
Functional classRural Minor Collector

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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating9.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span16 ft (4.8 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2017)
Projected traffic6,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$278,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 103 6.3 KM over Channel built?

It was built in 1910, making it 115 years old in 2025.

What condition is Pr 103 6.3 KM over Channel 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 2025.

How much traffic does Pr 103 6.3 KM over Channel carry?

About 5,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 103 6.3 KM over Channel?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.8 m) and a deck 24 ft wide.

Who owns Pr 103 6.3 KM over Channel?

It is owned by the State Highway Agency.