US Bridges

Pr 181 12.6 KM over Prieto River

Fair

Yabucoa Municipio, Puerto Rico · 10 KM North of Patillas · Structure no. 004101

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
6,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 12.6 KM over Prieto River is a concrete slab carrying Pr 181 12.6 KM over Prieto River in Yabucoa Municipio, Puerto Rico. It was built in 1940, so it is 85 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 6,600 vehicles a day, roughly 3% of them trucks, projected to reach 9,000 by 2025. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesPr 181 12.6 KM
CrossesPrieto River
Location10 KM North of Patillas
RouteState Highway 181
CountyYabucoa Municipio
StatePuerto Rico
Coordinates18.06491, -65.99557
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.7 US tons
Inventory rating12.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span19 ft (5.9 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2017)
Projected traffic9,000 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$134,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 12.6 KM over Prieto River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Pr 181 12.6 KM over Prieto 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 July 2024.

How much traffic does Pr 181 12.6 KM over Prieto River carry?

About 6,600 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 181 12.6 KM over Prieto River?

The structure is 23 ft (7 m) long with a longest span of 19 ft (5.9 m) and a deck 27 ft wide.

Who owns Pr 181 12.6 KM over Prieto River?

It is owned by the State Highway Agency.