US Bridges

Pr 833 12.1 KM over Guaynabo River

Poor

Guaynabo Municipio, Puerto Rico · 4 KM North of Int Pr 837 · Structure no. 018461

Built
1985
40 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
3,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 833 12.1 KM over Guaynabo River is a prestressed concrete stringer/multi-beam or girder carrying Pr 833 12.1 KM over Guaynabo River in Guaynabo Municipio, Puerto Rico. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,100 vehicles a day, roughly 5% of them trucks, projected to reach 4,500 by 2025. The structure is 112 ft (34.2 m) long and 37 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesPr 833 12.1 KM
CrossesGuaynabo River
Location4 KM North of Int Pr 837
RouteState Highway 833
CountyGuaynabo Municipio
StatePuerto Rico
Coordinates18.37388, -66.13288
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating106 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length112 ft (34.2 m)
Longest span112 ft (34.2 m)
Deck width37 ft (11.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2017)
Projected traffic4,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$558,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 833 12.1 KM over Guaynabo River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pr 833 12.1 KM over Guaynabo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Pr 833 12.1 KM over Guaynabo River carry?

About 3,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 833 12.1 KM over Guaynabo River?

The structure is 112 ft (34.2 m) long with a longest span of 112 ft (34.2 m) and a deck 37 ft wide.

Who owns Pr 833 12.1 KM over Guaynabo River?

It is owned by the State Highway Agency.