US Bridges

Pr 145 KM 1.0 over Grande De Manati River

Poor

Ciales Municipio, Puerto Rico · Rest Rancho Desah Ciales · Structure no. 011301

Built
1955
70 years old
Condition
Poor
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
249 ft
4 main spans
Daily traffic
9,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 145 KM 1.0 over Grande De Manati River is a concrete continuous tee beam carrying Pr 145 KM 1.0 over Grande De Manati River in Ciales Municipio, Puerto Rico. It was built in 1955, so it is 70 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 0 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. Its operating status is: open, temporary structure in place while original is closed.

It carries about 9,000 vehicles a day, roughly 4% of them trucks, projected to reach 11,300 by 2025. The structure is 249 ft (75.9 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesPr 145 KM 1.0
CrossesGrande De Manati River
LocationRest Rancho Desah Ciales
RouteState Highway 145
Coordinates18.33594, -66.46392
Functional classRural Minor Arterial

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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
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 rating38.9 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length249 ft (75.9 m)
Longest span72 ft (22 m)
Deck width29 ft (8.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2017)
Projected traffic11,300 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemYes

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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 145 KM 1.0 over Grande De Manati River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Pr 145 KM 1.0 over Grande De Manati River 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 February 2024.

How much traffic does Pr 145 KM 1.0 over Grande De Manati River carry?

About 9,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 145 KM 1.0 over Grande De Manati River?

The structure is 249 ft (75.9 m) long with a longest span of 72 ft (22 m) and a deck 29 ft wide.

Who owns Pr 145 KM 1.0 over Grande De Manati River?

It is owned by the State Highway Agency.