US Bridges

Pr 830 over Unknown Creek

Poor

Bayamon Municipio, Puerto Rico · 10 KM South of Bayamon · Structure no. 006671

Built
1952
73 years old
Condition
Poor
inspected March 2025
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
6,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 830 over Unknown Creek is a concrete culvert carrying Pr 830 over Unknown Creek in Bayamon Municipio, Puerto Rico. It was built in 1952, so it is 73 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 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 6,900 vehicles a day, roughly 4% of them trucks, projected to reach 9,000 by 2025. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 830
CrossesUnknown Creek
Location10 KM South of Bayamon
RouteState Highway 830
Coordinates18.34576, -66.17385
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2017)
Projected traffic9,000 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$782,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 830 over Unknown Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Pr 830 over Unknown Creek 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 March 2025.

How much traffic does Pr 830 over Unknown Creek carry?

About 6,900 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 830 over Unknown Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns Pr 830 over Unknown Creek?

It is owned by the State Highway Agency.