US Bridges

Off Pr 178 KM 0.7 over Nigua River

FairPosted for load

Arroyo Municipio, Puerto Rico · 1 Km. Southeast of Arroyo · Structure no. 026471

Built
2000
25 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
2 main spans
Daily traffic
7,500
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 178 KM 0.7 over Nigua River is a steel stringer/multi-beam or girder carrying Off Pr 178 KM 0.7 over Nigua River in Arroyo Municipio, Puerto Rico. It was built in 2000, so it is 25 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 5 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 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 9,800 by 2025. The structure is 132 ft (40.2 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOff Pr 178 KM 0.7
CrossesNigua River
Location1 Km. Southeast of Arroyo
RouteCity Street 0
CountyArroyo Municipio
StatePuerto Rico
Coordinates17.96952, -66.06322
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.2 US tons
Inventory rating19.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span64 ft (19.6 m)
Deck width68 ft (20.7 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2017)
Projected traffic9,800 by 2025
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 178 KM 0.7 over Nigua River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Off Pr 178 KM 0.7 over Nigua 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 February 2024.

How much traffic does Off Pr 178 KM 0.7 over Nigua River carry?

About 7,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Off Pr 178 KM 0.7 over Nigua River?

The structure is 132 ft (40.2 m) long with a longest span of 64 ft (19.6 m) and a deck 68 ft wide.

Who owns Off Pr 178 KM 0.7 over Nigua River?

It is owned by the City or Municipal Highway Agency.