US Bridges

Pr 556 3.9 KM over Monteria Creek

Fair

Coamo Municipio, Puerto Rico · 4 KM North of Coamo · Structure no. 011701

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
1,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 556 3.9 KM over Monteria Creek is a concrete culvert carrying Pr 556 3.9 KM over Monteria Creek in Coamo Municipio, Puerto Rico. It was built in 1965, so it is 60 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: open, posting recommended but not legally implemented.

It carries about 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 2,300 by 2025. The structure is 48 ft (14.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 556 3.9 KM
CrossesMonteria Creek
Location4 KM North of Coamo
RouteState Highway 556
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.10694, -66.34647
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length48 ft (14.5 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2017)
Projected traffic2,300 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$141,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 556 3.9 KM over Monteria Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Pr 556 3.9 KM over Monteria 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 2024.

How much traffic does Pr 556 3.9 KM over Monteria Creek carry?

About 1,600 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 556 3.9 KM over Monteria Creek?

The structure is 48 ft (14.5 m) long with a longest span of 15 ft (4.5 m).

Who owns Pr 556 3.9 KM over Monteria Creek?

It is owned by the State Highway Agency.