US Bridges

Pr 358 over Hoconuco River

Poor

San German Municipio, Puerto Rico · 2 KM N of Int PR2 & P · Structure no. 017281

Built
1978
47 years old
Condition
Poor
inspected March 2023
Type
Culvert
Concrete
Length
62 ft
11 main spans
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 358 over Hoconuco River is a concrete culvert carrying Pr 358 over Hoconuco River in San German Municipio, Puerto Rico. It was built in 1978, so it is 47 years old, younger 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,000 by 2025. The structure is 62 ft (18.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPr 358
CrossesHoconuco River
Location2 KM N of Int PR2 & P
RouteState Highway 358
Coordinates18.11639, -67.05861
Functional classRural Minor 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert0 FailedOut of service and beyond corrective action.
Last inspectionMarch 2023
Inspection intervalevery 24 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.2 US tons
Inventory rating0 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadH 15
Structure length62 ft (18.8 m)
Longest span5 ft (1.5 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic3,000 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-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$304,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 358 over Hoconuco River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pr 358 over Hoconuco 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 March 2023.

How much traffic does Pr 358 over Hoconuco River carry?

About 1,000 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 358 over Hoconuco River?

The structure is 62 ft (18.8 m) long with a longest span of 5 ft (1.5 m) and a deck 18 ft wide.

Who owns Pr 358 over Hoconuco River?

It is owned by the State Highway Agency.