US Bridges

Pr 176 6.1 KM over Las CURÍAS Creek

Poor

San Juan Municipio, Puerto Rico · 7 KM S E of Guaynabo · Structure no. 003991

Built
1936
89 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
4,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 176 6.1 KM over Las CURÍAS Creek is a steel stringer/multi-beam or girder carrying Pr 176 6.1 KM over Las CURÍAS Creek in San Juan Municipio, Puerto Rico. It was built in 1936, so it is 89 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,200 by 2025. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPr 176 6.1 KM
CrossesLas CURÍAS Creek
Location7 KM S E of Guaynabo
RouteState Highway 176
Coordinates18.34362, -66.52345
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width20 ft (6.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2017)
Projected traffic5,200 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 176 6.1 KM over Las CURÍAS Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Pr 176 6.1 KM over Las CURÍAS Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Pr 176 6.1 KM over Las CURÍAS Creek carry?

About 4,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 176 6.1 KM over Las CURÍAS Creek?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 20 ft wide.

Who owns Pr 176 6.1 KM over Las CURÍAS Creek?

It is owned by the State Highway Agency.