US Bridges

Off PR834 at 5.6KM over Unknown Creek

Good

Guaynabo Municipio, Puerto Rico · 2.35KM at SW PR1INTPR169 · Structure no. 030071

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
4,900
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off PR834 at 5.6KM over Unknown Creek is a prestressed concrete stringer/multi-beam or girder carrying Off PR834 at 5.6KM over Unknown Creek in Guaynabo Municipio, Puerto Rico. It was built in 2008, so it is 17 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,900 vehicles a day, roughly 2% of them trucks, projected to reach 7,100 by 2025. The structure is 121 ft (37 m) long and 71 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOff PR834 at 5.6KM
CrossesUnknown Creek
Location2.35KM at SW PR1INTPR169
RouteCity Street 0
Coordinates18.30832, -66.10224
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length121 ft (37 m)
Longest span121 ft (37 m)
Deck width71 ft (21.6 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2017)
Projected traffic7,100 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Off PR834 at 5.6KM over Unknown Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Off PR834 at 5.6KM over Unknown Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Off PR834 at 5.6KM over Unknown Creek carry?

About 4,900 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off PR834 at 5.6KM over Unknown Creek?

The structure is 121 ft (37 m) long with a longest span of 121 ft (37 m) and a deck 71 ft wide.

Who owns Off PR834 at 5.6KM over Unknown Creek?

It is owned by the City or Municipal Highway Agency.