US Bridges

Pr 176 10 KM over Depression

FairPosted for load

San Juan Municipio, Puerto Rico · 10 KM SW of Trujillo Alto · Structure no. 003981

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 KM over Depression is a concrete continuous slab carrying Pr 176 10 KM over Depression 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 6 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 (19.6 m) long and 23 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPr 176 10 KM
CrossesDepression
Location10 KM SW of Trujillo Alto
RouteState Highway 176
Coordinates18.32532, -66.03979
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating35.6 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length64 ft (19.6 m)
Longest span22 ft (6.8 m)
Deck width23 ft (7 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
CrossesOther
Detour if closed9.9 mi (16 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 of existing bridge without deck rehabilitation
Estimated improvement cost$131,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 176 10 KM over Depression built?

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

What condition is Pr 176 10 KM over Depression 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 KM over Depression carry?

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

How long is Pr 176 10 KM over Depression?

The structure is 64 ft (19.6 m) long with a longest span of 22 ft (6.8 m) and a deck 23 ft wide.

Who owns Pr 176 10 KM over Depression?

It is owned by the State Highway Agency.