US Bridges

Pr 53 over Unnamed Creek

Good

Maunabo Municipio, Puerto Rico · 1.79 MI East Maunabo · Structure no. 029021

Built
2009
16 years old
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
450 ft
1 main span
Daily traffic
5,800
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 53 over Unnamed Creek is a prestressed concrete stringer/multi-beam or girder carrying Pr 53 over Unnamed Creek in Maunabo Municipio, Puerto Rico. It was built in 2009, so it is 16 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, roughly 2% of them trucks, projected to reach 7,900 by 2025. The structure is 450 ft (137.1 m) long and 44 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesPr 53
CrossesUnnamed Creek
Location1.79 MI East Maunabo
RouteInterstate 53
CountyMaunabo Municipio
StatePuerto Rico
Coordinates18.00938, -65.87255
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length450 ft (137.1 m)
Longest span128 ft (38.9 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deck32 ft (9.9 m)

Traffic and service

Average daily traffic5,800 (2017)
Projected traffic7,900 by 2025
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 53 over Unnamed Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Pr 53 over Unnamed Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2025.

How much traffic does Pr 53 over Unnamed Creek carry?

About 5,800 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 53 over Unnamed Creek?

The structure is 450 ft (137.1 m) long with a longest span of 128 ft (38.9 m) and a deck 44 ft wide.

Who owns Pr 53 over Unnamed Creek?

It is owned by the State Toll Authority.