US Bridges

Off Pr 511 KM12.65 over Inabon River

Poor

Ponce Municipio, Puerto Rico · 13.75KM North East Ponce · Structure no. 029431

Built
1995
30 years old, rebuilt 2000
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
1,900
2017 count
Owner
State
State Highway Agency

About this bridge

Off Pr 511 KM12.65 over Inabon River is a concrete culvert carrying Off Pr 511 KM12.65 over Inabon River in Ponce Municipio, Puerto Rico. It was built in 1995 and reconstructed in 2000, so it is 30 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,900 vehicles a day, roughly 4% of them trucks, projected to reach 2,400 by 2025. The structure is 51 ft (15.5 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOff Pr 511 KM12.65
CrossesInabon River
Location13.75KM North East Ponce
RouteCounty Highway 0_
Coordinates18.13247, -66.57984
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating35.5 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span51 ft (15.5 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2017)
Projected traffic2,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 511 KM12.65 over Inabon River built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 2000.

What condition is Off Pr 511 KM12.65 over Inabon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Off Pr 511 KM12.65 over Inabon River carry?

About 1,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Off Pr 511 KM12.65 over Inabon River?

The structure is 51 ft (15.5 m) long with a longest span of 51 ft (15.5 m) and a deck 21 ft wide.

Who owns Off Pr 511 KM12.65 over Inabon River?

It is owned by the State Highway Agency.