US Bridges

Pr 927 over Blanco River

FairPosted for load

Naguabo Municipio, Puerto Rico · 1 Mile West of Naguabo · Structure no. 008051

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 927 over Blanco River is a concrete tee beam carrying Pr 927 over Blanco River in Naguabo Municipio, Puerto Rico. It was built in 1958, so it is 67 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 5 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 900 vehicles a day, roughly 3% of them trucks, projected to reach 1,300 by 2025. The structure is 63 ft (19.1 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPr 927
CrossesBlanco River
Location1 Mile West of Naguabo
RouteState Highway 927
CountyNaguabo Municipio
StatePuerto Rico
Coordinates18.205, -65.75083
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.2 US tons
Inventory rating25.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length63 ft (19.1 m)
Longest span31 ft (9.5 m)
Deck width20 ft (6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2017)
Projected traffic1,300 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$268,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 927 over Blanco River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Pr 927 over Blanco 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 May 2023.

How much traffic does Pr 927 over Blanco River carry?

About 900 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 927 over Blanco River?

The structure is 63 ft (19.1 m) long with a longest span of 31 ft (9.5 m) and a deck 20 ft wide.

Who owns Pr 927 over Blanco River?

It is owned by the State Highway Agency.