US Bridges

PR-511 10.6 KM over Inabon River

Good

Ponce Municipio, Puerto Rico · 10 KM N.W. of Juana Diaz · Structure no. 027031

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
1,900
2017 count
Owner
State
State Highway Agency

About this bridge

PR-511 10.6 KM over Inabon River is a prestressed concrete stringer/multi-beam or girder carrying PR-511 10.6 KM over Inabon River in Ponce Municipio, Puerto Rico. It was built in 2003, so it is 22 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 5% of them trucks, projected to reach 2,400 by 2025. The structure is 72 ft (22 m) long and 40 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesPR-511 10.6 KM
CrossesInabon River
Location10 KM N.W. of Juana Diaz
RouteState Highway 511
CountyPonce Municipio
StatePuerto Rico
Coordinates18.12111, -66.57177
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length72 ft (22 m)
Longest span64 ft (19.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deck33 ft (10 m)

Traffic and service

Average daily traffic1,900 (2017)
Projected traffic2,400 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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-511 10.6 KM over Inabon River built?

It was built in 2003, making it 22 years old in 2025.

What condition is PR-511 10.6 KM over Inabon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does PR-511 10.6 KM over Inabon River carry?

About 1,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is PR-511 10.6 KM over Inabon River?

The structure is 72 ft (22 m) long with a longest span of 64 ft (19.5 m) and a deck 40 ft wide.

Who owns PR-511 10.6 KM over Inabon River?

It is owned by the State Highway Agency.