US Bridges

Pr 52 106.7 KM over Unknown Creek

Fair

Ponce Municipio, Puerto Rico · Southwest of Ponce · Structure no. 022731

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
18,800
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 106.7 KM over Unknown Creek is a concrete culvert carrying Pr 52 106.7 KM over Unknown Creek in Ponce Municipio, Puerto Rico. It was built in 1996, so it is 29 years old, younger 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 18,800 vehicles a day, roughly 5% of them trucks, projected to reach 26,300 by 2025. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPr 52 106.7 KM
CrossesUnknown Creek
LocationSouthwest of Ponce
RouteInterstate 52
Coordinates17.9911, -66.62632
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span16 ft (5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2017)
Projected traffic26,300 by 2025
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 52 106.7 KM over Unknown Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Pr 52 106.7 KM over Unknown 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 2023.

How much traffic does Pr 52 106.7 KM over Unknown Creek carry?

About 18,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 52 106.7 KM over Unknown Creek?

The structure is 34 ft (10.5 m) long with a longest span of 16 ft (5 m).

Who owns Pr 52 106.7 KM over Unknown Creek?

It is owned by the State Toll Authority.