US Bridges

Pr 172 15.1 KM over Bayamon River

PoorPosted for load

Cidra Municipio, Puerto Rico · 2.5 KM Northeast of Cidra · Structure no. 005421

Built
1944
81 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
247 ft
6 main spans
Daily traffic
14,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 172 15.1 KM over Bayamon River is a concrete tee beam carrying Pr 172 15.1 KM over Bayamon River in Cidra Municipio, Puerto Rico. It was built in 1944, so it is 81 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 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. Its operating status is: posted for load restriction.

It carries about 14,400 vehicles a day, roughly 5% of them trucks, projected to reach 18,300 by 2025. The structure is 247 ft (75.4 m) long and 23 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesPr 172 15.1 KM
CrossesBayamon River
Location2.5 KM Northeast of Cidra
RouteState Highway 172
Coordinates18.18384, -66.14259
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating18 US tons
Inventory rating11.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length247 ft (75.4 m)
Longest span41 ft (12.6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,400 (2017)
Projected traffic18,300 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 172 15.1 KM over Bayamon River built?

It was built in 1944, making it 81 years old in 2025.

What condition is Pr 172 15.1 KM over Bayamon 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 September 2024.

How much traffic does Pr 172 15.1 KM over Bayamon River carry?

About 14,400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 172 15.1 KM over Bayamon River?

The structure is 247 ft (75.4 m) long with a longest span of 41 ft (12.6 m) and a deck 23 ft wide.

Who owns Pr 172 15.1 KM over Bayamon River?

It is owned by the State Highway Agency.