US Bridges

Pr 9931 0.6 KM over Creek

Fair

San Lorenzo Municipio, Puerto Rico · West of San Lorenzo City · Structure no. 015521

Built
1945
80 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
11,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9931 0.6 KM over Creek is a steel stringer/multi-beam or girder carrying Pr 9931 0.6 KM over Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1945, so it is 80 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.

It carries about 11,900 vehicles a day, roughly 4% of them trucks, projected to reach 15,500 by 2025. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPr 9931 0.6 KM
CrossesCreek
LocationWest of San Lorenzo City
RouteState Highway 9931
Coordinates18.19443, -65.96894
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2017)
Projected traffic15,500 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$333,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9931 0.6 KM over Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Pr 9931 0.6 KM over 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 January 2024.

How much traffic does Pr 9931 0.6 KM over Creek carry?

About 11,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 9931 0.6 KM over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Pr 9931 0.6 KM over Creek?

It is owned by the State Highway Agency.