US Bridges

Pr 131 over Unnamed Stream

FairPosted for load

Adjuntas Municipio, Puerto Rico · 4 KM S W of Adjuntas · Structure no. 002651

Built
1942
83 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 131 over Unnamed Stream is a concrete slab carrying Pr 131 over Unnamed Stream in Adjuntas Municipio, Puerto Rico. It was built in 1942, so it is 83 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: posted for load restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2025. The structure is 20 ft (6.1 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 131
CrossesUnnamed Stream
Location4 KM S W of Adjuntas
RouteState Highway 131
CountyAdjuntas Municipio
StatePuerto Rico
Coordinates18.14587, -66.76799
Functional classRural Local

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 inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2017)
Projected traffic125 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 131 over Unnamed Stream built?

It was built in 1942, making it 83 years old in 2025.

What condition is Pr 131 over Unnamed Stream 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 March 2025.

How much traffic does Pr 131 over Unnamed Stream carry?

About 100 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Pr 131 over Unnamed Stream?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Pr 131 over Unnamed Stream?

It is owned by the State Highway Agency.