US Bridges

Pr 829 KM 0.01 over Unknown Creek

Good

Toa Alta Municipio, Puerto Rico · 5 Kms Southeast of Toa Al · Structure no. 027711

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
14,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 829 KM 0.01 over Unknown Creek is a concrete culvert carrying Pr 829 KM 0.01 over Unknown Creek in Toa Alta Municipio, Puerto Rico. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,300 vehicles a day, roughly 4% of them trucks, projected to reach 18,600 by 2025. The structure is 39 ft (11.8 m) long and 137 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPr 829 KM 0.01
CrossesUnknown Creek
Location5 Kms Southeast of Toa Al
RouteState Highway 829
CountyToa Alta Municipio
StatePuerto Rico
Coordinates18.33482, -66.19073
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span20 ft (6.1 m)
Deck width137 ft (41.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2017)
Projected traffic18,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 829 KM 0.01 over Unknown Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Pr 829 KM 0.01 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 October 2024.

How much traffic does Pr 829 KM 0.01 over Unknown Creek carry?

About 14,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 829 KM 0.01 over Unknown Creek?

The structure is 39 ft (11.8 m) long with a longest span of 20 ft (6.1 m) and a deck 137 ft wide.

Who owns Pr 829 KM 0.01 over Unknown Creek?

It is owned by the State Highway Agency.