US Bridges

Pr 191 27.9 KM over Blanco River

Good

Naguabo Municipio, Puerto Rico · 6 KM Northwest of Naguabo · Structure no. 027161

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
1,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 191 27.9 KM over Blanco River is a prestressed concrete stringer/multi-beam or girder carrying Pr 191 27.9 KM over Blanco River in Naguabo 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 2,000 by 2025. The structure is 133 ft (40.5 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPr 191 27.9 KM
CrossesBlanco River
Location6 KM Northwest of Naguabo
RouteState Highway 191
Coordinates18.23889, -65.785
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating74.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span133 ft (40.5 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2017)
Projected traffic2,000 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 191 27.9 KM over Blanco River built?

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

What condition is Pr 191 27.9 KM over Blanco River 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 April 2024.

How much traffic does Pr 191 27.9 KM over Blanco River carry?

About 1,400 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 191 27.9 KM over Blanco River?

The structure is 133 ft (40.5 m) long with a longest span of 133 ft (40.5 m) and a deck 45 ft wide.

Who owns Pr 191 27.9 KM over Blanco River?

It is owned by the State Highway Agency.