US Bridges

Pr 191 6.3 KM over Depression

PoorPosted for load

Rio Grande Municipio, Puerto Rico · 7 KM S W of Luquillo · Structure no. 004601

Built
1939
86 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 191 6.3 KM over Depression is a concrete continuous slab carrying Pr 191 6.3 KM over Depression in Rio Grande Municipio, Puerto Rico. It was built in 1939, so it is 86 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 4 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 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,300 by 2025. The structure is 20 ft (6.1 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesPr 191 6.3 KM
CrossesDepression
Location7 KM S W of Luquillo
RouteState Highway 191
CountyRio Grande Municipio
StatePuerto Rico
Coordinates18.32664, -65.76658
Functional classRural Major 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.2 US tons
Inventory rating20.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length20 ft (6.1 m)
Longest span9 ft (2.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,300 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$135,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 191 6.3 KM over Depression built?

It was built in 1939, making it 86 years old in 2025.

What condition is Pr 191 6.3 KM over Depression 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 April 2024.

How much traffic does Pr 191 6.3 KM over Depression carry?

About 1,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 191 6.3 KM over Depression?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m) and a deck 30 ft wide.

Who owns Pr 191 6.3 KM over Depression?

It is owned by the State Highway Agency.