US Bridges

Pr 15 1.7 KM over Guamani River

PoorPosted for load

Guayama Municipio, Puerto Rico · 2 KM North of Guayama · Structure no. 001811

Built
1891
134 years old
Condition
Poor
inspected January 2024
Type
Girder and Floorbeam System
Steel
Length
143 ft
2 main spans
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 15 1.7 KM over Guamani River is a steel girder and floorbeam system carrying Pr 15 1.7 KM over Guamani River in Guayama Municipio, Puerto Rico. It was built in 1891, so it is 134 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 1,800 vehicles a day, roughly 4% of them trucks, projected to reach 2,600 by 2025. The structure is 143 ft (43.5 m) long and 21 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesPr 15 1.7 KM
CrossesGuamani River
Location2 KM North of Guayama
RouteState Highway 15
Coordinates17.99972, -66.11277
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating10 US tons
Inventory rating7.6 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans2
Design loadUnknown
Structure length143 ft (43.5 m)
Longest span66 ft (20.1 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic2,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$480,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 15 1.7 KM over Guamani River built?

It was built in 1891, making it 134 years old in 2025.

What condition is Pr 15 1.7 KM over Guamani 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 January 2024.

How much traffic does Pr 15 1.7 KM over Guamani River carry?

About 1,800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 15 1.7 KM over Guamani River?

The structure is 143 ft (43.5 m) long with a longest span of 66 ft (20.1 m) and a deck 21 ft wide.

Who owns Pr 15 1.7 KM over Guamani River?

It is owned by the State Highway Agency.