US Bridges

Pr 178 0.8 KM over Nigua River

Fair

Arroyo Municipio, Puerto Rico · 0.8 KM Int Pr 3 & Pr · Structure no. 018941

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
2 main spans
Daily traffic
7,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 178 0.8 KM over Nigua River is a prestressed concrete box beam or girders - multiple carrying Pr 178 0.8 KM over Nigua River in Arroyo Municipio, Puerto Rico. It was built in 1988, so it is 37 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.

It carries about 7,500 vehicles a day, roughly 2% of them trucks, projected to reach 9,800 by 2025. The structure is 118 ft (35.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 178 0.8 KM
CrossesNigua River
Location0.8 KM Int Pr 3 & Pr
RouteState Highway 178
CountyArroyo Municipio
StatePuerto Rico
Coordinates17.96717, -66.06107
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length118 ft (35.9 m)
Longest span59 ft (18 m)
Deck width36 ft (11 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2017)
Projected traffic9,800 by 2025
Trucks2%
Lanes on structure2
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

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$924,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 178 0.8 KM over Nigua River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Pr 178 0.8 KM 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 June 2024.

How much traffic does Pr 178 0.8 KM over Nigua River carry?

About 7,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 178 0.8 KM over Nigua River?

The structure is 118 ft (35.9 m) long with a longest span of 59 ft (18 m) and a deck 36 ft wide.

Who owns Pr 178 0.8 KM over Nigua River?

It is owned by the State Highway Agency.