US Bridges

Pr 153 over Coamo River

Fair

Coamo Municipio, Puerto Rico · 0.4 KM S Int PR14 & P · Structure no. 019371

Built
1989
36 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
311 ft
3 main spans
Daily traffic
17,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 153 over Coamo River is a prestressed concrete stringer/multi-beam or girder carrying Pr 153 over Coamo River in Coamo Municipio, Puerto Rico. It was built in 1989, so it is 36 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 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 17,600 vehicles a day, roughly 5% of them trucks, projected to reach 22,500 by 2025. The structure is 311 ft (94.9 m) long and 54 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPr 153
CrossesCoamo River
Location0.4 KM S Int PR14 & P
RouteState Highway 153
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.06252, -66.36879
Functional classRural 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length311 ft (94.9 m)
Longest span105 ft (32 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,600 (2017)
Projected traffic22,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$102,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 153 over Coamo River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Pr 153 over Coamo 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 December 2024.

How much traffic does Pr 153 over Coamo River carry?

About 17,600 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 153 over Coamo River?

The structure is 311 ft (94.9 m) long with a longest span of 105 ft (32 m) and a deck 54 ft wide.

Who owns Pr 153 over Coamo River?

It is owned by the State Highway Agency.