US Bridges

Pr 181 4.4 KM over Marin Creek

FairPosted for load

Patillas Municipio, Puerto Rico · 3 KM North of Patillas · Structure no. 004051

Built
1938
87 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
63 ft
3 main spans
Daily traffic
600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 4.4 KM over Marin Creek is a concrete slab carrying Pr 181 4.4 KM over Marin Creek in Patillas Municipio, Puerto Rico. It was built in 1938, so it is 87 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 900 by 2025. The structure is 63 ft (19.1 m) long and 23 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesPr 181 4.4 KM
CrossesMarin Creek
Location3 KM North of Patillas
RouteState Highway 181
CountyPatillas Municipio
StatePuerto Rico
Coordinates18.03521, -66.00776
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.4 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length63 ft (19.1 m)
Longest span21 ft (6.5 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic900 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$397,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 4.4 KM over Marin Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Pr 181 4.4 KM over Marin 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 February 2024.

How much traffic does Pr 181 4.4 KM over Marin Creek carry?

About 600 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 181 4.4 KM over Marin Creek?

The structure is 63 ft (19.1 m) long with a longest span of 21 ft (6.5 m) and a deck 23 ft wide.

Who owns Pr 181 4.4 KM over Marin Creek?

It is owned by the State Highway Agency.