US Bridges

Pr 23 over Margarita Creek

Good

Guaynabo Municipio, Puerto Rico · Caparra Interchange · Structure no. 008451

Built
1964
61 years old
Condition
Good
inspected March 2025
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
29,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 23 over Margarita Creek is a concrete continuous culvert carrying Pr 23 over Margarita Creek in Guaynabo Municipio, Puerto Rico. It was built in 1964, so it is 61 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 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 29,700 vehicles a day, roughly 5% of them trucks, projected to reach 34,700 by 2025. The structure is 30 ft (9.2 m) long and 123 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPr 23
CrossesMargarita Creek
LocationCaparra Interchange
RouteState Highway 23
Coordinates18.41077, -66.10469
Functional classUrban Other Principal 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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating95.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span14 ft (4.4 m)
Deck width123 ft (37.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2017)
Projected traffic34,700 by 2025
Trucks5%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 23 over Margarita Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Pr 23 over Margarita Creek 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 March 2025.

How much traffic does Pr 23 over Margarita Creek carry?

About 29,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 23 over Margarita Creek?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.4 m) and a deck 123 ft wide.

Who owns Pr 23 over Margarita Creek?

It is owned by the State Highway Agency.