US Bridges

PR-858 over PR-66

Good

Carolina Municipio, Puerto Rico · 5.13 KM Se. of Carolina · Structure no. 028151

Built
2007
18 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
6,100
2017 count
Owner
State
State Highway Agency

About this bridge

PR-858 over PR-66 is a prestressed concrete stringer/multi-beam or girder carrying PR-858 over PR-66 in Carolina Municipio, Puerto Rico. It was built in 2007, so it is 18 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,100 vehicles a day, roughly 5% of them trucks, projected to reach 7,900 by 2025. The structure is 229 ft (69.8 m) long and 52 ft wide.

CarriesPR-858
CrossesPR-66
Location5.13 KM Se. of Carolina
RouteState Highway 858
Coordinates18.36576, -65.9607
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span115 ft (34.9 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2017)
Projected traffic7,900 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-858 over PR-66 built?

It was built in 2007, making it 18 years old in 2025.

What condition is PR-858 over PR-66 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does PR-858 over PR-66 carry?

About 6,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is PR-858 over PR-66?

The structure is 229 ft (69.8 m) long with a longest span of 115 ft (34.9 m) and a deck 52 ft wide.

Who owns PR-858 over PR-66?

It is owned by the State Highway Agency.