US Bridges

Pr 558 0.2 KM over Usabon River

Poor

Barranquitas Municipio, Puerto Rico · 0.20 KM Int PR162 & P · Structure no. 011571

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 558 0.2 KM over Usabon River is a steel stringer/multi-beam or girder carrying Pr 558 0.2 KM over Usabon River in Barranquitas Municipio, Puerto Rico. It was built in 1968, so it is 57 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 3 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.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2025. The structure is 39 ft (12 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPr 558 0.2 KM
CrossesUsabon River
Location0.20 KM Int PR162 & P
RouteState Highway 558
Coordinates18.16787, -66.31635
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating95.1 US tons
Inventory rating51.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (12 m)
Longest span36 ft (11.1 m)
Deck width22 ft (6.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic600 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$197,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 558 0.2 KM over Usabon River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Pr 558 0.2 KM over Usabon 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 August 2024.

How much traffic does Pr 558 0.2 KM over Usabon River carry?

About 400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 558 0.2 KM over Usabon River?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11.1 m) and a deck 22 ft wide.

Who owns Pr 558 0.2 KM over Usabon River?

It is owned by the State Highway Agency.