US Bridges

Pr 936 over Arenas Creek

Fair

Las Piedras Municipio, Puerto Rico · 4 KM N E of Las Piedras · Structure no. 005721

Built
1933
92 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
4,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 936 over Arenas Creek is a steel stringer/multi-beam or girder carrying Pr 936 over Arenas Creek in Las Piedras Municipio, Puerto Rico. It was built in 1933, so it is 92 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 4,200 vehicles a day, roughly 5% of them trucks, projected to reach 5,700 by 2025. The structure is 35 ft (10.8 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPr 936
CrossesArenas Creek
Location4 KM N E of Las Piedras
RouteState Highway 936
CountyLas Piedras Municipio
StatePuerto Rico
Coordinates18.19901, -65.86387
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 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 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 rating73.2 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.8 m)
Longest span29 ft (8.9 m)
Deck width21 ft (6.4 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2017)
Projected traffic5,700 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 936 over Arenas Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is Pr 936 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 March 2023.

How much traffic does Pr 936 over Arenas Creek carry?

About 4,200 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 936 over Arenas Creek?

The structure is 35 ft (10.8 m) long with a longest span of 29 ft (8.9 m) and a deck 21 ft wide.

Who owns Pr 936 over Arenas Creek?

It is owned by the State Highway Agency.