US Bridges

Pr 778 1.9 KM over Waterway

Good

Comerio Municipio, Puerto Rico · 1.2 Kms. S.W. of Comerio · Structure no. 028911

Built
2010
15 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
5,017 ft
38 main spans
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 778 1.9 KM over Waterway is a prestressed concrete stringer/multi-beam or girder carrying Pr 778 1.9 KM over Waterway in Comerio Municipio, Puerto Rico. It was built in 2010, so it is 15 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,400 by 2025. The structure is 5,017 ft (1,529.1 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPr 778 1.9 KM
CrossesWaterway
Location1.2 Kms. S.W. of Comerio
RouteState Highway 778
CountyComerio Municipio
StatePuerto Rico
Coordinates18.22365, -66.21654
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans38
Design loadHS 20 + Mod
Structure length5,017 ft (1,529.1 m)
Longest span133 ft (40.5 m)
Deck width49 ft (15 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,400 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 778 1.9 KM over Waterway built?

It was built in 2010, making it 15 years old in 2025.

What condition is Pr 778 1.9 KM over Waterway 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 August 2024.

How much traffic does Pr 778 1.9 KM over Waterway carry?

About 1,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 778 1.9 KM over Waterway?

The structure is 5,017 ft (1,529.1 m) long with a longest span of 133 ft (40.5 m) and a deck 49 ft wide.

Who owns Pr 778 1.9 KM over Waterway?

It is owned by the State Highway Agency.