US Bridges

Pr 423 over Grande Creek

Fair

Moca Municipio, Puerto Rico · 5.34 KM S of Int Pr 111 · Structure no. 018401

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 423 over Grande Creek is a concrete culvert carrying Pr 423 over Grande Creek in Moca Municipio, Puerto Rico. It was built in 1986, so it is 39 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 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 1,800 vehicles a day, roughly 4% of them trucks, projected to reach 2,600 by 2025. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesPr 423
CrossesGrande Creek
Location5.34 KM S of Int Pr 111
RouteState Highway 423
Coordinates18.32294, -67.04476
Functional classRural Minor 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.1 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic2,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 423 over Grande Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Pr 423 over Grande Creek 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 June 2023.

How much traffic does Pr 423 over Grande Creek carry?

About 1,800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 423 over Grande Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Pr 423 over Grande Creek?

It is owned by the State Highway Agency.