US Bridges

Pr 447 over Guatemala River

FairPosted for load

San Sebastian Municipio, Puerto Rico · 6 KM N E of San Sebastian · Structure no. 005761

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
1,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 447 over Guatemala River is a concrete slab carrying Pr 447 over Guatemala River in San Sebastian Municipio, Puerto Rico. It was built in 1957, so it is 68 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 1,900 vehicles a day, roughly 4% of them trucks, projected to reach 2,700 by 2025. The structure is 27 ft (8.1 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 447
CrossesGuatemala River
Location6 KM N E of San Sebastian
RouteState Highway 447
Coordinates18.36836, -66.95319
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span25 ft (7.5 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2017)
Projected traffic2,700 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 447 over Guatemala River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Pr 447 over Guatemala River 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 2023.

How much traffic does Pr 447 over Guatemala River carry?

About 1,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 447 over Guatemala River?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.5 m) and a deck 19 ft wide.

Who owns Pr 447 over Guatemala River?

It is owned by the State Highway Agency.