US Bridges

Pr 347 over Guanajibo River

FairPosted for load

San German Municipio, Puerto Rico · 8 KM North of San German · Structure no. 006761

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
135 ft
4 main spans
Daily traffic
1,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 347 over Guanajibo River is a concrete continuous slab carrying Pr 347 over Guanajibo River in San German Municipio, Puerto Rico. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 1,100 vehicles a day, roughly 4% of them trucks, projected to reach 1,400 by 2025. The structure is 135 ft (41 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 347
CrossesGuanajibo River
Location8 KM North of San German
RouteState Highway 347
CountySan German Municipio
StatePuerto Rico
Coordinates18.10535, -67.06527
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating12.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length135 ft (41 m)
Longest span36 ft (11 m)
Deck width27 ft (8.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2017)
Projected traffic1,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 347 over Guanajibo River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Pr 347 over Guanajibo 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 June 2023.

How much traffic does Pr 347 over Guanajibo River carry?

About 1,100 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 347 over Guanajibo River?

The structure is 135 ft (41 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns Pr 347 over Guanajibo River?

It is owned by the State Highway Agency.