US Bridges

Pr 135 over Guayo River

Fair

Adjuntas Municipio, Puerto Rico · 10 KM West of Adjuntas · Structure no. 002771

Built
1924
101 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
72 ft
1 main span
Daily traffic
5,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 135 over Guayo River is a concrete arch - deck carrying Pr 135 over Guayo River in Adjuntas Municipio, Puerto Rico. It was built in 1924, so it is 101 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,500 vehicles a day, roughly 2% of them trucks, projected to reach 7,000 by 2025. The structure is 72 ft (21.9 m) long and 21 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesPr 135
CrossesGuayo River
Location10 KM West of Adjuntas
RouteState Highway 135
Coordinates18.17843, -66.82763
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38.1 US tons
Inventory rating29.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span72 ft (21.9 m)
Deck width21 ft (6.3 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2017)
Projected traffic7,000 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$197,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 135 over Guayo River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Pr 135 over Guayo 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 June 2023.

How much traffic does Pr 135 over Guayo River carry?

About 5,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 135 over Guayo River?

The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 21 ft wide.

Who owns Pr 135 over Guayo River?

It is owned by the State Highway Agency.