US Bridges

Pr 181 34.1 KM over Irrigation Channel

Good

Patillas Municipio, Puerto Rico · Pr 181 at Km. 34.10 · Structure no. 028691

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
11,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 34.1 KM over Irrigation Channel is a concrete culvert carrying Pr 181 34.1 KM over Irrigation Channel in Patillas Municipio, Puerto Rico. It was built in 2009, so it is 16 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 11,900 vehicles a day, roughly 5% of them trucks, projected to reach 16,200 by 2025. The structure is 39 ft (12 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 181 34.1 KM
CrossesIrrigation Channel
LocationPr 181 at Km. 34.10
RouteState Highway 181
CountyPatillas Municipio
StatePuerto Rico
Coordinates18.00734, -66.01596
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length39 ft (12 m)
Longest span11 ft (3.4 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2017)
Projected traffic16,200 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 181 34.1 KM over Irrigation Channel built?

It was built in 2009, making it 16 years old in 2025.

What condition is Pr 181 34.1 KM over Irrigation Channel 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 July 2024.

How much traffic does Pr 181 34.1 KM over Irrigation Channel carry?

About 11,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 181 34.1 KM over Irrigation Channel?

The structure is 39 ft (12 m) long with a longest span of 11 ft (3.4 m) and a deck 40 ft wide.

Who owns Pr 181 34.1 KM over Irrigation Channel?

It is owned by the State Highway Agency.