US Bridges

Pr 9916 0.02 KM over Unknown Creek

Fair

San Lorenzo Municipio, Puerto Rico · 10 Kms SE of San Lorenzo · Structure no. 025111

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
47 ft
4 main spans
Daily traffic
300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9916 0.02 KM over Unknown Creek is a concrete continuous culvert carrying Pr 9916 0.02 KM over Unknown Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1992, so it is 33 years old, younger 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.

It carries about 300 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2025. The structure is 47 ft (14.4 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 9916 0.02 KM
CrossesUnknown Creek
Location10 Kms SE of San Lorenzo
RouteState Highway 9916
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.15651, -65.95164
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span16 ft (4.8 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2017)
Projected traffic400 by 2025
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9916 0.02 KM over Unknown Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Pr 9916 0.02 KM over Unknown 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 July 2024.

How much traffic does Pr 9916 0.02 KM over Unknown Creek carry?

About 300 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 9916 0.02 KM over Unknown Creek?

The structure is 47 ft (14.4 m) long with a longest span of 16 ft (4.8 m) and a deck 23 ft wide.

Who owns Pr 9916 0.02 KM over Unknown Creek?

It is owned by the State Highway Agency.