US Bridges

Pr 181 62.0 KM over Grande De Loiza River

Poor

Trujillo Alto Municipio, Puerto Rico · 1 KM North Trujillo Alto · Structure no. 018191

Built
1985
40 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
465 ft
5 main spans
Daily traffic
42,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 62.0 KM over Grande De Loiza River is a prestressed concrete stringer/multi-beam or girder carrying Pr 181 62.0 KM over Grande De Loiza River in Trujillo Alto Municipio, Puerto Rico. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 42,600 vehicles a day, roughly 4% of them trucks, projected to reach 55,400 by 2025. The structure is 465 ft (141.8 m) long and 93 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesPr 181 62.0 KM
CrossesGrande De Loiza River
Location1 KM North Trujillo Alto
RouteState Highway 181
Coordinates18.35827, -66.0034
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length465 ft (141.8 m)
Longest span90 ft (27.3 m)
Deck width93 ft (28.2 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,600 (2017)
Projected traffic55,400 by 2025
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$47 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 62.0 KM over Grande De Loiza River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pr 181 62.0 KM over Grande De Loiza River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Pr 181 62.0 KM over Grande De Loiza River carry?

About 42,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 181 62.0 KM over Grande De Loiza River?

The structure is 465 ft (141.8 m) long with a longest span of 90 ft (27.3 m) and a deck 93 ft wide.

Who owns Pr 181 62.0 KM over Grande De Loiza River?

It is owned by the State Highway Agency.