US Bridges

Off PR-311 Km. 5.5 over Quebrada

Fair

Cabo Rojo Municipio, Puerto Rico · Calle Miramar · Structure no. 030251

Built
1901
124 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,700
2017 count
Owner
State
State Highway Agency

About this bridge

Off PR-311 Km. 5.5 over Quebrada is a concrete culvert carrying Off PR-311 Km. 5.5 over Quebrada in Cabo Rojo Municipio, Puerto Rico. It was built in 1901, so it is 124 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 6 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 1% of them trucks, projected to reach 3,900 by 2025. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesOff PR-311 Km. 5.5
CrossesQuebrada
LocationCalle Miramar
RouteState Highway 311
CountyCabo Rojo Municipio
StatePuerto Rico
Coordinates18.13704, -67.14574
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating42.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2017)
Projected traffic3,900 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Off PR-311 Km. 5.5 over Quebrada built?

It was built in 1901, making it 124 years old in 2025.

What condition is Off PR-311 Km. 5.5 over Quebrada 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 February 2024.

How much traffic does Off PR-311 Km. 5.5 over Quebrada carry?

About 2,700 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Off PR-311 Km. 5.5 over Quebrada?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns Off PR-311 Km. 5.5 over Quebrada?

It is owned by the State Highway Agency.