US Bridges

Pr 173 23.25 KM over Bairoa River

Fair

Aguas Buenas Municipio, Puerto Rico · 0.4 KM North Aguas Buenas · Structure no. 017531

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
8,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 173 23.25 KM over Bairoa River is a prestressed concrete stringer/multi-beam or girder carrying Pr 173 23.25 KM over Bairoa River in Aguas Buenas Municipio, Puerto Rico. It was built in 1981, so it is 44 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 8,700 vehicles a day, roughly 4% of them trucks, projected to reach 10,400 by 2025. The structure is 60 ft (18.2 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesPr 173 23.25 KM
CrossesBairoa River
Location0.4 KM North Aguas Buenas
RouteState Highway 173
CountyAguas Buenas Municipio
StatePuerto Rico
Coordinates18.25957, -66.10341
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.6 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.2 m)
Longest span55 ft (16.8 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2017)
Projected traffic10,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 173 23.25 KM over Bairoa River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Pr 173 23.25 KM over Bairoa 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 June 2024.

How much traffic does Pr 173 23.25 KM over Bairoa River carry?

About 8,700 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 173 23.25 KM over Bairoa River?

The structure is 60 ft (18.2 m) long with a longest span of 55 ft (16.8 m) and a deck 39 ft wide.

Who owns Pr 173 23.25 KM over Bairoa River?

It is owned by the State Highway Agency.