US Bridges

Pr 951 6.5 KM over Gallardo Channel

PoorPosted for load

Loiza Municipio, Puerto Rico · 1.1 KM South of Loiza · Structure no. 004441

Built
1935
90 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
4,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 951 6.5 KM over Gallardo Channel is a concrete continuous slab carrying Pr 951 6.5 KM over Gallardo Channel in Loiza Municipio, Puerto Rico. It was built in 1935, so it is 90 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 4,100 vehicles a day, roughly 5% of them trucks, projected to reach 5,900 by 2025. The structure is 40 ft (12.1 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 951 6.5 KM
CrossesGallardo Channel
Location1.1 KM South of Loiza
RouteState Highway 951
Coordinates18.4218, -65.89036
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length40 ft (12.1 m)
Longest span14 ft (4.4 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2017)
Projected traffic5,900 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$383,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 951 6.5 KM over Gallardo Channel built?

It was built in 1935, making it 90 years old in 2025.

What condition is Pr 951 6.5 KM over Gallardo 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 October 2024.

How much traffic does Pr 951 6.5 KM over Gallardo Channel carry?

About 4,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 951 6.5 KM over Gallardo Channel?

The structure is 40 ft (12.1 m) long with a longest span of 14 ft (4.4 m) and a deck 20 ft wide.

Who owns Pr 951 6.5 KM over Gallardo Channel?

It is owned by the State Highway Agency.