US Bridges

Pr 171 1.1 KM over El Cabro Creek

FairPosted for load

Cidra Municipio, Puerto Rico · 1 KM South West of Cidra · Structure no. 015181

Built
1950
75 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
24 ft
3 main spans
Daily traffic
4,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 171 1.1 KM over El Cabro Creek is a concrete slab carrying Pr 171 1.1 KM over El Cabro 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 4,900 vehicles a day, roughly 4% of them trucks, projected to reach 5,900 by 2025. The structure is 24 ft (7.2 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPr 171 1.1 KM
CrossesEl Cabro Creek
Location1 KM South West of Cidra
RouteState Highway 171
Coordinates18.16528, -66.16222
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 inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating19.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span20 ft (6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2017)
Projected traffic5,900 by 2025
Trucks4%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 171 1.1 KM over El Cabro Creek built?

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

What condition is Pr 171 1.1 KM over El Cabro 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 March 2025.

How much traffic does Pr 171 1.1 KM over El Cabro Creek carry?

About 4,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 171 1.1 KM over El Cabro Creek?

The structure is 24 ft (7.2 m) long with a longest span of 20 ft (6 m) and a deck 35 ft wide.

Who owns Pr 171 1.1 KM over El Cabro Creek?

It is owned by the State Highway Agency.