US Bridges

Pr 105 15.9 KM over Maricao River

FairPosted for load

Maricao Municipio, Puerto Rico · 8 KM West of Maricao · Structure no. 002101

Built
1921
104 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
3 main spans
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 105 15.9 KM over Maricao River is a steel stringer/multi-beam or girder carrying Pr 105 15.9 KM over Maricao River in Maricao Municipio, Puerto Rico. It was built in 1921, so it is 104 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 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,300 by 2025. The structure is 101 ft (30.9 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPr 105 15.9 KM
CrossesMaricao River
Location8 KM West of Maricao
RouteState Highway 105
CountyMaricao Municipio
StatePuerto Rico
Coordinates18.19416, -67.04417
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.
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 inspectionNovember 2023
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length101 ft (30.9 m)
Longest span34 ft (10.5 m)
Deck width20 ft (6.1 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,300 by 2025
Trucks4%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$693,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 105 15.9 KM over Maricao River built?

It was built in 1921, making it 104 years old in 2025.

What condition is Pr 105 15.9 KM over Maricao River 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 105 15.9 KM over Maricao River carry?

About 1,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 105 15.9 KM over Maricao River?

The structure is 101 ft (30.9 m) long with a longest span of 34 ft (10.5 m) and a deck 20 ft wide.

Who owns Pr 105 15.9 KM over Maricao River?

It is owned by the State Highway Agency.