US Bridges

PR-693 over Drainage Channel

Good

Dorado Municipio, Puerto Rico · PR-693 KM 2.5 · Structure no. 030371

Built
1988
37 years old
Condition
Good
inspected September 2023
Type
Culvert
Prestressed Concrete
Length
44 ft
3 main spans
Daily traffic
25,800
2017 count
Owner
State
State Highway Agency

About this bridge

PR-693 over Drainage Channel is a prestressed concrete culvert carrying PR-693 over Drainage Channel in Dorado Municipio, Puerto Rico. It was built in 1988, so it is 37 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 25,800 vehicles a day, roughly 1% of them trucks, projected to reach 33,500 by 2025. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesPR-693
CrossesDrainage Channel
LocationPR-693 KM 2.5
RouteState Highway 693
Coordinates18.42841, -66.26511
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,800 (2017)
Projected traffic33,500 by 2025
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was PR-693 over Drainage Channel built?

It was built in 1988, making it 37 years old in 2025.

What condition is PR-693 over Drainage Channel 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-693 over Drainage Channel carry?

About 25,800 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is PR-693 over Drainage Channel?

The structure is 44 ft (13.4 m) long with a longest span of 13 ft (4 m).

Who owns PR-693 over Drainage Channel?

It is owned by the State Highway Agency.