US Bridges

Pr 171 over Creek

FairPosted for load

Cidra Municipio, Puerto Rico · 2 KM South of Cidra · Structure no. 015171

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
6,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 171 over Creek is a concrete slab carrying Pr 171 over Creek in Cidra Municipio, Puerto Rico. It was built in 1950, so it is 75 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 6 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 6,400 vehicles a day, roughly 3% of them trucks, projected to reach 7,700 by 2025. The structure is 23 ft (7 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPr 171
CrossesCreek
Location2 KM South of Cidra
RouteState Highway 171
Coordinates18.14643, -66.1641
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating25 US tons
Inventory rating15.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6 m)
Deck width21 ft (6.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2017)
Projected traffic7,700 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$204,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 171 over Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 171 over 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 November 2023.

How much traffic does Pr 171 over Creek carry?

About 6,400 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 171 over Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6 m) and a deck 21 ft wide.

Who owns Pr 171 over Creek?

It is owned by the State Highway Agency.