US Bridges

Pr 9920 1.6 KM over Arenas Creek

FairPosted for load

San Lorenzo Municipio, Puerto Rico · 13 KM South San Lorenzo · Structure no. 020101

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9920 1.6 KM over Arenas Creek is a concrete culvert carrying Pr 9920 1.6 KM over Arenas Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1971, so it is 54 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 800 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2025. The structure is 23 ft (7.1 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 9920 1.6 KM
CrossesArenas Creek
Location13 KM South San Lorenzo
RouteState Highway 9920
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.10709, -65.98244
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.7 US tons
Inventory rating8.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.5 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2017)
Projected traffic1,000 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9920 1.6 KM over Arenas Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Pr 9920 1.6 KM 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 June 2024.

How much traffic does Pr 9920 1.6 KM over Arenas Creek carry?

About 800 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 9920 1.6 KM over Arenas Creek?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.5 m) and a deck 29 ft wide.

Who owns Pr 9920 1.6 KM over Arenas Creek?

It is owned by the State Highway Agency.