US Bridges

Pr 970 5.6 KM over Grande Creek

FairPosted for load

Naguabo Municipio, Puerto Rico · 2 Miles North of Naguabo · Structure no. 011271

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 970 5.6 KM over Grande Creek is a concrete culvert carrying Pr 970 5.6 KM over Grande Creek in Naguabo Municipio, Puerto Rico. It was built in 1972, so it is 53 years old, older 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 200 vehicles a day, roughly 4% of them trucks, projected to reach 300 by 2025. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPr 970 5.6 KM
CrossesGrande Creek
Location2 Miles North of Naguabo
RouteState Highway 970
CountyNaguabo Municipio
StatePuerto Rico
Coordinates18.23512, -65.74343
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2017)
Projected traffic300 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$258,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 970 5.6 KM over Grande Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Pr 970 5.6 KM over Grande Creek 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 970 5.6 KM over Grande Creek carry?

About 200 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 970 5.6 KM over Grande Creek?

The structure is 32 ft (9.7 m) long with a longest span of 16 ft (4.9 m).

Who owns Pr 970 5.6 KM over Grande Creek?

It is owned by the State Highway Agency.