US Bridges

Pr 497 2.2 KM over Sonadora Creek

FairPosted for load

San Sebastian Municipio, Puerto Rico · 2 KM S W of San Sebastian · Structure no. 008811

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 497 2.2 KM over Sonadora Creek is a concrete continuous slab carrying Pr 497 2.2 KM over Sonadora Creek in San Sebastian Municipio, Puerto Rico. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2025. The structure is 32 ft (9.9 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 497 2.2 KM
CrossesSonadora Creek
Location2 KM S W of San Sebastian
RouteState Highway 497
CountySan Sebastian Municipio
StatePuerto Rico
Coordinates18.32472, -67.02194
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46 US tons
Inventory rating28.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.9 m)
Longest span14 ft (4.4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2017)
Projected traffic400 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$242,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 497 2.2 KM over Sonadora Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Pr 497 2.2 KM over Sonadora 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 October 2024.

How much traffic does Pr 497 2.2 KM over Sonadora Creek carry?

About 300 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 497 2.2 KM over Sonadora Creek?

The structure is 32 ft (9.9 m) long with a longest span of 14 ft (4.4 m) and a deck 22 ft wide.

Who owns Pr 497 2.2 KM over Sonadora Creek?

It is owned by the State Highway Agency.