US Bridges

Pr 958 4.0 KM over Herrera River

Fair

Rio Grande Municipio, Puerto Rico · 5.5 KM S E of Canovanas · Structure no. 008261

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 958 4.0 KM over Herrera River is a concrete culvert carrying Pr 958 4.0 KM over Herrera River in Rio Grande Municipio, Puerto Rico. It was built in 1962, so it is 63 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 600 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2025. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPr 958 4.0 KM
CrossesHerrera River
Location5.5 KM S E of Canovanas
RouteState Highway 958
Coordinates18.34872, -65.86613
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating70.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic800 by 2025
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 958 4.0 KM over Herrera River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Pr 958 4.0 KM over Herrera 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 February 2024.

How much traffic does Pr 958 4.0 KM over Herrera River carry?

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

How long is Pr 958 4.0 KM over Herrera River?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4.1 m).

Who owns Pr 958 4.0 KM over Herrera River?

It is owned by the State Highway Agency.