US Bridges

Off Pr 9921 over Humacao River

FairPosted for load

Las Piedras Municipio, Puerto Rico · 4 KM South of Las Piedras · Structure no. 025191

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
50
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 9921 over Humacao River is a concrete culvert carrying Off Pr 9921 over Humacao River in Las Piedras Municipio, Puerto Rico. It was built in 1996, so it is 29 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2020. The structure is 28 ft (8.4 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOff Pr 9921
CrossesHumacao River
Location4 KM South of Las Piedras
RouteCounty Highway 0
CountyLas Piedras Municipio
StatePuerto Rico
Coordinates18.32087, -65.86921
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating25.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span13 ft (4.1 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2002)
Projected traffic100 by 2020
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 Pr 9921 over Humacao River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Off Pr 9921 over Humacao River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Off Pr 9921 over Humacao River carry?

About 50 vehicles per day (2002 count), of which roughly 1% are trucks.

How long is Off Pr 9921 over Humacao River?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (4.1 m) and a deck 31 ft wide.

Who owns Off Pr 9921 over Humacao River?

It is owned by the City or Municipal Highway Agency.