US Bridges

Pr 1 KM 91.5 over RíO Nigua

Fair

Salinas Municipio, Puerto Rico · 0.77KM SE Salinas · Structure no. 030081

Built
2015
10 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
308 ft
3 main spans
Daily traffic
20,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 1 KM 91.5 over RíO Nigua is a prestressed concrete stringer/multi-beam or girder carrying Pr 1 KM 91.5 over RíO Nigua in Salinas Municipio, Puerto Rico. It was built in 2015, so it is 10 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.

It carries about 20,300 vehicles a day, roughly 4% of them trucks, projected to reach 24,400 by 2025. The structure is 308 ft (93.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPr 1 KM 91.5
CrossesRíO Nigua
Location0.77KM SE Salinas
RouteInterstate 0
Coordinates17.97418, -66.30447
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.2 US tons
Inventory rating7.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length308 ft (93.9 m)
Longest span106 ft (32.2 m)
Deck width58 ft (17.7 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,300 (2017)
Projected traffic24,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 1 KM 91.5 over RíO Nigua built?

It was built in 2015, making it 10 years old in 2025.

What condition is Pr 1 KM 91.5 over RíO Nigua 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 September 2024.

How much traffic does Pr 1 KM 91.5 over RíO Nigua carry?

About 20,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 1 KM 91.5 over RíO Nigua?

The structure is 308 ft (93.9 m) long with a longest span of 106 ft (32.2 m) and a deck 58 ft wide.

Who owns Pr 1 KM 91.5 over RíO Nigua?

It is owned by the State Highway Agency.