US Bridges

Pr 9912 0.1 KM over Grande De Loiza River

PoorPosted for load

San Lorenzo Municipio, Puerto Rico · 10 KM S W of San Lorenzo · Structure no. 010581

Built
1950
75 years old
Condition
Poor
inspected February 2024
Type
Tee Beam
Concrete
Length
88 ft
2 main spans
Daily traffic
5,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9912 0.1 KM over Grande De Loiza River is a concrete tee beam carrying Pr 9912 0.1 KM over Grande De Loiza River in San Lorenzo Municipio, Puerto Rico. It was built in 1950, so it is 75 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,200 by 2025. The structure is 88 ft (26.8 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPr 9912 0.1 KM
CrossesGrande De Loiza River
Location10 KM S W of San Lorenzo
RouteState Highway 9912
Coordinates18.14366, -65.97865
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 12 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.3 US tons
Inventory rating3.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span41 ft (12.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2017)
Projected traffic7,200 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$313,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9912 0.1 KM over Grande De Loiza River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 9912 0.1 KM over Grande De Loiza River 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 February 2024.

How much traffic does Pr 9912 0.1 KM over Grande De Loiza River carry?

About 5,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Pr 9912 0.1 KM over Grande De Loiza River?

The structure is 88 ft (26.8 m) long with a longest span of 41 ft (12.5 m) and a deck 16 ft wide.

Who owns Pr 9912 0.1 KM over Grande De Loiza River?

It is owned by the State Highway Agency.