US Bridges

Pr 176 10.5 KM over Negrita Creek

FairPosted for load

San Juan Municipio, Puerto Rico · 9.1 KM S W Trujillo Alto · Structure no. 003961

Built
1940
85 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
4,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 176 10.5 KM over Negrita Creek is a concrete continuous slab carrying Pr 176 10.5 KM over Negrita Creek in San Juan Municipio, Puerto Rico. It was built in 1940, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 4,000 vehicles a day, roughly 4% of them trucks, projected to reach 5,200 by 2025. The structure is 64 ft (19.4 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesPr 176 10.5 KM
CrossesNegrita Creek
Location9.1 KM S W Trujillo Alto
RouteState Highway 176
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.32387, -66.03621
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.1 US tons
Inventory rating23.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length64 ft (19.4 m)
Longest span22 ft (6.8 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2017)
Projected traffic5,200 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$154,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 176 10.5 KM over Negrita Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Pr 176 10.5 KM over Negrita Creek 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 August 2024.

How much traffic does Pr 176 10.5 KM over Negrita Creek carry?

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

How long is Pr 176 10.5 KM over Negrita Creek?

The structure is 64 ft (19.4 m) long with a longest span of 22 ft (6.8 m) and a deck 24 ft wide.

Who owns Pr 176 10.5 KM over Negrita Creek?

It is owned by the State Highway Agency.