US Bridges

Pr 181 18.7 KM over Berraco Creek

Poor

San Lorenzo Municipio, Puerto Rico · 12 KM South San Lorenzo · Structure no. 004161

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
6,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 18.7 KM over Berraco Creek is a concrete continuous slab carrying Pr 181 18.7 KM over Berraco Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1940, so it is 85 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 6,300 vehicles a day, roughly 4% of them trucks, projected to reach 8,600 by 2025. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPr 181 18.7 KM
CrossesBerraco Creek
Location12 KM South San Lorenzo
RouteState Highway 181
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.09488, -66.00063
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating100.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span20 ft (6 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2017)
Projected traffic8,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$296,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 18.7 KM over Berraco Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Pr 181 18.7 KM over Berraco 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 October 2024.

How much traffic does Pr 181 18.7 KM over Berraco Creek carry?

About 6,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 181 18.7 KM over Berraco Creek?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6 m) and a deck 24 ft wide.

Who owns Pr 181 18.7 KM over Berraco Creek?

It is owned by the State Highway Agency.