US Bridges

Pr 174 over Minillas River

Fair

Bayamon Municipio, Puerto Rico · 5.5 KM S E of Bayamon · Structure no. 011071

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
13,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 174 over Minillas River is a prestressed concrete stringer/multi-beam or girder carrying Pr 174 over Minillas River in Bayamon Municipio, Puerto Rico. It was built in 1969, so it is 56 years old, older 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 5 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 13,400 vehicles a day, roughly 4% of them trucks, projected to reach 17,400 by 2025. The structure is 73 ft (22.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 174
CrossesMinillas River
Location5.5 KM S E of Bayamon
RouteState Highway 174
CountyBayamon Municipio
StatePuerto Rico
Coordinates18.35764, -66.14341
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.1 m)
Longest span73 ft (22.1 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2017)
Projected traffic17,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$521,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 174 over Minillas River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Pr 174 over Minillas River 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 174 over Minillas River carry?

About 13,400 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 174 over Minillas River?

The structure is 73 ft (22.1 m) long with a longest span of 73 ft (22.1 m) and a deck 36 ft wide.

Who owns Pr 174 over Minillas River?

It is owned by the State Highway Agency.