US Bridges

Pr 916 KM 0.9 over Arenas Creek

FairPosted for load

San Lorenzo Municipio, Puerto Rico · 3.5 Mile S of San Lorenzo · Structure no. 008501

Built
1961
64 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 916 KM 0.9 over Arenas Creek is a concrete tee beam carrying Pr 916 KM 0.9 over Arenas Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1961, so it is 64 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 900 by 2025. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesPr 916 KM 0.9
CrossesArenas Creek
Location3.5 Mile S of San Lorenzo
RouteState Highway 912
Coordinates18.14721, -65.95677
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.7 US tons
Inventory rating14.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span39 ft (12 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic900 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 916 KM 0.9 over Arenas Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Pr 916 KM 0.9 over Arenas 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 2024.

How much traffic does Pr 916 KM 0.9 over Arenas Creek carry?

About 600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 916 KM 0.9 over Arenas Creek?

The structure is 44 ft (13.4 m) long with a longest span of 39 ft (12 m) and a deck 24 ft wide.

Who owns Pr 916 KM 0.9 over Arenas Creek?

It is owned by the State Highway Agency.