US Bridges

Off Pr 184 12.1 KM over Grande De Patillas River

Poor

Patillas Municipio, Puerto Rico · 11.5 Kms Nw. of Patillas · Structure no. 025881

Built
1965
60 years old
Condition
Poor
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
2 main spans
Daily traffic
1,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 184 12.1 KM over Grande De Patillas River is a steel stringer/multi-beam or girder carrying Off Pr 184 12.1 KM over Grande De Patillas River in Patillas Municipio, Puerto Rico. It was built in 1965, so it is 60 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: open, posting recommended but not legally implemented.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,300 by 2025. The structure is 72 ft (22 m) long and 11 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOff Pr 184 12.1 KM
CrossesGrande De Patillas River
Location11.5 Kms Nw. of Patillas
RouteCounty Highway 0
Coordinates18.07805, -66.05463
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating3.9 US tons
Inventory rating3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadUnknown
Structure length72 ft (22 m)
Longest span25 ft (7.6 m)
Deck width11 ft (3.5 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,300 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 184 12.1 KM over Grande De Patillas River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Off Pr 184 12.1 KM over Grande De Patillas 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 March 2025.

How much traffic does Off Pr 184 12.1 KM over Grande De Patillas River carry?

About 1,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Off Pr 184 12.1 KM over Grande De Patillas River?

The structure is 72 ft (22 m) long with a longest span of 25 ft (7.6 m) and a deck 11 ft wide.

Who owns Off Pr 184 12.1 KM over Grande De Patillas River?

It is owned by the City or Municipal Highway Agency.