US Bridges

Pr 109 over Unnamed Creek

FairPosted for load

Anasco Municipio, Puerto Rico · 8 KM East of A¥ASCO · Structure no. 013341

Built
1950
75 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
3,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 109 over Unnamed Creek is a concrete slab carrying Pr 109 over Unnamed Creek in Anasco Municipio, Puerto Rico. It was built in 1950, so it is 75 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 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 4,600 by 2025. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPr 109
CrossesUnnamed Creek
Location8 KM East of A¥ASCO
RouteState Highway 109
CountyAnasco Municipio
StatePuerto Rico
Coordinates18.28057, -67.07437
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44 US tons
Inventory rating26.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2017)
Projected traffic4,600 by 2025
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 109 over Unnamed Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 109 over Unnamed 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 February 2023.

How much traffic does Pr 109 over Unnamed Creek carry?

About 3,600 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 109 over Unnamed Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Pr 109 over Unnamed Creek?

It is owned by the State Highway Agency.