US Bridges

PR-861 over Waterway

Fair

Toa Alta Municipio, Puerto Rico · 4.67 Km. S.E. of Toa Alta · Structure no. 027971

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
21,000
2017 count
Owner
State
State Highway Agency

About this bridge

PR-861 over Waterway is a prestressed concrete stringer/multi-beam or girder carrying PR-861 over Waterway in Toa Alta Municipio, Puerto Rico. It was built in 2012, so it is 13 years old, younger 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.

It carries about 21,000 vehicles a day, roughly 5% of them trucks, projected to reach 27,300 by 2025. The structure is 106 ft (32.3 m) long and 78 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPR-861
CrossesWaterway
Location4.67 Km. S.E. of Toa Alta
RouteState Highway 861
CountyToa Alta Municipio
StatePuerto Rico
Coordinates18.375, -66.20611
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating59.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span106 ft (32.3 m)
Deck width78 ft (23.9 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2017)
Projected traffic27,300 by 2025
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-861 over Waterway built?

It was built in 2012, making it 13 years old in 2025.

What condition is PR-861 over Waterway 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 September 2024.

How much traffic does PR-861 over Waterway carry?

About 21,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is PR-861 over Waterway?

The structure is 106 ft (32.3 m) long with a longest span of 106 ft (32.3 m) and a deck 78 ft wide.

Who owns PR-861 over Waterway?

It is owned by the State Highway Agency.