US Bridges

Pr 7774 3.4 KM over Arroyata River

Fair

Comerio Municipio, Puerto Rico · 2 Miles S E of Comerio · Structure no. 011591

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 7774 3.4 KM over Arroyata River is a prestressed concrete stringer/multi-beam or girder carrying Pr 7774 3.4 KM over Arroyata River in Comerio Municipio, Puerto Rico. It was built in 1972, so it is 53 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,300 by 2025. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPr 7774 3.4 KM
CrossesArroyata River
Location2 Miles S E of Comerio
RouteState Highway 7774
CountyComerio Municipio
StatePuerto Rico
Coordinates18.19933, -66.20905
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating34.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span93 ft (28.3 m)
Deck width31 ft (9.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,300 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$806,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 7774 3.4 KM over Arroyata River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Pr 7774 3.4 KM over Arroyata 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 May 2024.

How much traffic does Pr 7774 3.4 KM over Arroyata River carry?

About 1,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 7774 3.4 KM over Arroyata River?

The structure is 95 ft (29 m) long with a longest span of 93 ft (28.3 m) and a deck 31 ft wide.

Who owns Pr 7774 3.4 KM over Arroyata River?

It is owned by the State Highway Agency.