US Bridges

Off 511 R 29.4 KM over Inabon River

Poor

Ponce Municipio, Puerto Rico · 29.4 KM N of Ponce · Structure no. 031151

Built
2021
4 years old
Condition
Poor
inspected May 2024
Type
Arch - Thru
Concrete
Length
30 ft
1 main span
Daily traffic
900
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off 511 R 29.4 KM over Inabon River is a concrete arch - thru carrying Off 511 R 29.4 KM over Inabon River in Ponce Municipio, Puerto Rico. It was built in 2021, so it is 4 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 900 vehicles a day, projected to reach 1,200 by 2025. The structure is 30 ft (9 m) long and 13 ft wide.

CarriesOff 511 R 29.4 KM
CrossesInabon River
Location29.4 KM N of Ponce
RouteCity Street 0_
Coordinates18.14037, -66.58882
Functional classRural Major 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation*: *
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating—
Inventory rating—

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9 m)
Longest span25 ft (7.6 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2017)
Projected traffic1,200 by 2025
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Off 511 R 29.4 KM over Inabon River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Off 511 R 29.4 KM 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 May 2024.

How much traffic does Off 511 R 29.4 KM over Inabon River carry?

About 900 vehicles per day (2017 count).

How long is Off 511 R 29.4 KM over Inabon River?

The structure is 30 ft (9 m) long with a longest span of 25 ft (7.6 m) and a deck 13 ft wide.

Who owns Off 511 R 29.4 KM over Inabon River?

It is owned by the City or Municipal Highway Agency.