US Bridges

Pr 109 26 KM over Sonador River

FairPosted for load

San Sebastian Municipio, Puerto Rico · 3.5 KM S W San Sebastian · Structure no. 002271

Built
1948
77 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
70 ft
1 main span
Daily traffic
5,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 109 26 KM over Sonador River is a concrete tee beam carrying Pr 109 26 KM over Sonador River in San Sebastian Municipio, Puerto Rico. It was built in 1948, so it is 77 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 5,200 vehicles a day, roughly 5% of them trucks, projected to reach 6,800 by 2025. The structure is 70 ft (21.2 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPr 109 26 KM
CrossesSonador River
Location3.5 KM S W San Sebastian
RouteState Highway 109
Coordinates18.31161, -67.00764
Functional classRural Major 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.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length70 ft (21.2 m)
Longest span27 ft (8.1 m)
Deck width31 ft (9.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2017)
Projected traffic6,800 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 109 26 KM over Sonador River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Pr 109 26 KM over Sonador 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 November 2023.

How much traffic does Pr 109 26 KM over Sonador River carry?

About 5,200 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 109 26 KM over Sonador River?

The structure is 70 ft (21.2 m) long with a longest span of 27 ft (8.1 m) and a deck 31 ft wide.

Who owns Pr 109 26 KM over Sonador River?

It is owned by the State Highway Agency.