US Bridges

Pr 493 over Seca Creek

Fair

Hatillo Municipio, Puerto Rico · 1.8 KM Int PR492 & Pr · Structure no. 011281

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
10,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 493 over Seca Creek is a concrete culvert carrying Pr 493 over Seca Creek in Hatillo Municipio, Puerto Rico. It was built in 1968, so it is 57 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 10,900 vehicles a day, roughly 5% of them trucks, projected to reach 14,300 by 2025. The structure is 26 ft (7.8 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 493
CrossesSeca Creek
Location1.8 KM Int PR492 & Pr
RouteState Highway 493
CountyHatillo Municipio
StatePuerto Rico
Coordinates18.46827, -66.77372
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2017)
Projected traffic14,300 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$246,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 493 over Seca Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Pr 493 over Seca 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 May 2023.

How much traffic does Pr 493 over Seca Creek carry?

About 10,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 493 over Seca Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m) and a deck 24 ft wide.

Who owns Pr 493 over Seca Creek?

It is owned by the State Highway Agency.