US Bridges

Main Entrance RD over Unnamed Drainage

Good

Cabo Rojo Municipio, Puerto Rico · Main Entrance Rd. · Structure no. 000041521-63233

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
100
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Main Entrance RD over Unnamed Drainage is a concrete culvert carrying Main Entrance RD over Unnamed Drainage in Cabo Rojo Municipio, Puerto Rico. It was built in 2011, so it is 14 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 100 vehicles a day, roughly 4% of them trucks, projected to reach 120 by 2043. The structure is 43 ft (13.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMain Entrance RD
CrossesUnnamed Drainage
LocationMain Entrance Rd.
RouteFederal Lands Road 0
Coordinates17.98333, -67.16667
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic100 (2023)
Projected traffic120 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Main Entrance RD over Unnamed Drainage built?

It was built in 2011, making it 14 years old in 2025.

What condition is Main Entrance RD over Unnamed Drainage 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 July 2023.

How much traffic does Main Entrance RD over Unnamed Drainage carry?

About 100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Main Entrance RD over Unnamed Drainage?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Main Entrance RD over Unnamed Drainage?

It is owned by the Bureau of Fish and Wildlife.