US Bridges

PR-511 Km. 11.7 over Inabon River

Good

Ponce Municipio, Puerto Rico · 8.85 KM NW INT.PR-14& · Structure no. 029421

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
53 ft
7 main spans
Daily traffic
1,900
2017 count
Owner
State
State Highway Agency

About this bridge

PR-511 Km. 11.7 over Inabon River is a concrete culvert carrying PR-511 Km. 11.7 over Inabon River in Ponce Municipio, Puerto Rico. It was built in 2007, so it is 18 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 53 ft (16.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPR-511 Km. 11.7
CrossesInabon River
Location8.85 KM NW INT.PR-14&
RouteState Highway 511
CountyPonce Municipio
StatePuerto Rico
Coordinates18.12453, -66.57828
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length53 ft (16.1 m)
Longest span5 ft (1.5 m)
Deck width43 ft (13 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

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 closed0.6 mi (1 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 Km. 11.7 over Inabon River built?

It was built in 2007, making it 18 years old in 2025.

What condition is PR-511 Km. 11.7 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 June 2023.

How much traffic does PR-511 Km. 11.7 over Inabon River carry?

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

How long is PR-511 Km. 11.7 over Inabon River?

The structure is 53 ft (16.1 m) long with a longest span of 5 ft (1.5 m) and a deck 43 ft wide.

Who owns PR-511 Km. 11.7 over Inabon River?

It is owned by the State Highway Agency.