US Bridges

Pr 528 over Zamas River

FairPosted for load

Jayuya Municipio, Puerto Rico · 2 KM South West of Jayuya · Structure no. 006101

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
123 ft
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 528 over Zamas River is a concrete continuous culvert carrying Pr 528 over Zamas River in Jayuya Municipio, Puerto Rico. It was built in 1957, so it is 68 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,400 by 2025. The structure is 123 ft (37.4 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPr 528
CrossesZamas River
Location2 KM South West of Jayuya
RouteState Highway 528
Coordinates18.20451, -66.61157
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.5 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans0
Design loadUnknown
Structure length123 ft (37.4 m)
Longest span25 ft (7.6 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$538,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 528 over Zamas River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Pr 528 over Zamas River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Pr 528 over Zamas River carry?

About 1,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 528 over Zamas River?

The structure is 123 ft (37.4 m) long with a longest span of 25 ft (7.6 m) and a deck 19 ft wide.

Who owns Pr 528 over Zamas River?

It is owned by the State Highway Agency.