US Bridges

Pr 53 over Unknown Creek

Fair

Guayama Municipio, Puerto Rico · 6 KM Northwest of Guayama · Structure no. 023491

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
21,700
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 53 over Unknown Creek is a concrete culvert carrying Pr 53 over Unknown Creek in Guayama Municipio, Puerto Rico. It was built in 1994, so it is 31 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 21,700 vehicles a day, roughly 4% of them trucks, projected to reach 31,500 by 2025. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesPr 53
CrossesUnknown Creek
Location6 KM Northwest of Guayama
RouteInterstate 53
CountyGuayama Municipio
StatePuerto Rico
Coordinates17.98915, -66.16292
Functional classRural Principal Arterial - Other

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 rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2017)
Projected traffic31,500 by 2025
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 53 over Unknown Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Pr 53 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 53 over Unknown Creek carry?

About 21,700 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 53 over Unknown Creek?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.8 m).

Who owns Pr 53 over Unknown Creek?

It is owned by the State Toll Authority.