US Bridges

Pr 100 SB 0.8 KM over Guanajibo River

Fair

Hormigueros Municipio, Puerto Rico · 1.5 KM W of Hormigueros · Structure no. 014712

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
793 ft
6 main spans
Daily traffic
10,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 100 SB 0.8 KM over Guanajibo River is a prestressed concrete stringer/multi-beam or girder carrying Pr 100 SB 0.8 KM over Guanajibo River in Hormigueros Municipio, Puerto Rico. It was built in 1976, so it is 49 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 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.

It carries about 10,100 vehicles a day, roughly 5% of them trucks, projected to reach 13,950 by 2025. The structure is 793 ft (241.7 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPr 100 SB 0.8 KM
CrossesGuanajibo River
Location1.5 KM W of Hormigueros
RouteState Highway 100
CountyHormigueros Municipio
StatePuerto Rico
Coordinates18.141, -67.14876
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.8 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length793 ft (241.7 m)
Longest span128 ft (39.1 m)
Deck width51 ft (15.4 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2017)
Projected traffic13,950 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 100 SB 0.8 KM over Guanajibo River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Pr 100 SB 0.8 KM over Guanajibo 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 2024.

How much traffic does Pr 100 SB 0.8 KM over Guanajibo River carry?

About 10,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 100 SB 0.8 KM over Guanajibo River?

The structure is 793 ft (241.7 m) long with a longest span of 128 ft (39.1 m) and a deck 51 ft wide.

Who owns Pr 100 SB 0.8 KM over Guanajibo River?

It is owned by the State Highway Agency.