US Bridges

Pr 330 over Unknown Creek

Good

San German Municipio, Puerto Rico · 7 KM S E of Hormigueros · Structure no. 019971

Built
1960
65 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 330 over Unknown Creek is a concrete culvert carrying Pr 330 over Unknown Creek in San German Municipio, Puerto Rico. It was built in 1960, so it is 65 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 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 1,800 vehicles a day, roughly 5% of them trucks, projected to reach 2,600 by 2025. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPr 330
CrossesUnknown Creek
Location7 KM S E of Hormigueros
RouteState Highway 330
Coordinates18.15639, -67.08
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic2,600 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 330 over Unknown Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Pr 330 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 August 2023.

How much traffic does Pr 330 over Unknown Creek carry?

About 1,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 330 over Unknown Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.6 m).

Who owns Pr 330 over Unknown Creek?

It is owned by the State Highway Agency.