US Bridges

PR-181 over Gurabo River

Good

Gurabo Municipio, Puerto Rico · 1 KM NE from Gurabo · Structure no. 026521

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
498 ft
4 main spans
Daily traffic
20,500
2017 count
Owner
State
State Highway Agency

About this bridge

PR-181 over Gurabo River is a prestressed concrete stringer/multi-beam or girder carrying PR-181 over Gurabo River in Gurabo Municipio, Puerto Rico. It was built in 2005, so it is 20 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 20,500 vehicles a day, roughly 2% of them trucks, projected to reach 27,900 by 2025. The structure is 498 ft (151.8 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPR-181
CrossesGurabo River
Location1 KM NE from Gurabo
RouteState Highway 181
CountyGurabo Municipio
StatePuerto Rico
Coordinates18.25662, -65.96783
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans4
Design loadUnknown
Structure length498 ft (151.8 m)
Longest span125 ft (38.2 m)
Deck width71 ft (21.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2017)
Projected traffic27,900 by 2025
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was PR-181 over Gurabo River built?

It was built in 2005, making it 20 years old in 2025.

What condition is PR-181 over Gurabo River 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 June 2023.

How much traffic does PR-181 over Gurabo River carry?

About 20,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is PR-181 over Gurabo River?

The structure is 498 ft (151.8 m) long with a longest span of 125 ft (38.2 m) and a deck 71 ft wide.

Who owns PR-181 over Gurabo River?

It is owned by the State Highway Agency.