US Bridges

Pr 121 over Loco River

Fair

Sabana Grande Municipio, Puerto Rico · 3 KM South West of Yauco · Structure no. 009121

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
52 ft
7 main spans
Daily traffic
8,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 121 over Loco River is a concrete culvert carrying Pr 121 over Loco River in Sabana Grande Municipio, Puerto Rico. It was built in 1960, so it is 65 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 8,200 vehicles a day, roughly 2% of them trucks, projected to reach 10,700 by 2025. The structure is 52 ft (16 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesPr 121
CrossesLoco River
Location3 KM South West of Yauco
RouteState Highway 121
CountySabana Grande Municipio
StatePuerto Rico
Coordinates18.02781, -66.8863
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length52 ft (16 m)
Longest span5 ft (1.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2017)
Projected traffic10,700 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$93,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 121 over Loco River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Pr 121 over Loco 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 February 2023.

How much traffic does Pr 121 over Loco River carry?

About 8,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 121 over Loco River?

The structure is 52 ft (16 m) long with a longest span of 5 ft (1.4 m).

Who owns Pr 121 over Loco River?

It is owned by the State Highway Agency.