US Bridges

Pr 109 over Larga Creek

FairPosted for load

San Sebastian Municipio, Puerto Rico · 1 KM South San Sebastian · Structure no. 002281

Built
1944
81 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
4,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 109 over Larga Creek is a concrete continuous slab carrying Pr 109 over Larga Creek in San Sebastian Municipio, Puerto Rico. It was built in 1944, so it is 81 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 4,700 vehicles a day, roughly 5% of them trucks, projected to reach 6,100 by 2025. The structure is 68 ft (20.6 m) long and 23 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPr 109
CrossesLarga Creek
Location1 KM South San Sebastian
RouteState Highway 109
CountySan Sebastian Municipio
StatePuerto Rico
Coordinates18.32845, -66.99825
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 inspectionMarch 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length68 ft (20.6 m)
Longest span19 ft (5.9 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2017)
Projected traffic6,100 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$337,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 109 over Larga Creek built?

It was built in 1944, making it 81 years old in 2025.

What condition is Pr 109 over Larga 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 March 2023.

How much traffic does Pr 109 over Larga Creek carry?

About 4,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 109 over Larga Creek?

The structure is 68 ft (20.6 m) long with a longest span of 19 ft (5.9 m) and a deck 23 ft wide.

Who owns Pr 109 over Larga Creek?

It is owned by the State Highway Agency.