US Bridges

Pr 906 12 KM over Waterway

Fair

Humacao Municipio, Puerto Rico · 4.5 KM S E of Humacao · Structure no. 022331

Built
1994
31 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
12,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 906 12 KM over Waterway is a concrete culvert carrying Pr 906 12 KM over Waterway in Humacao Municipio, Puerto Rico. It was built in 1994, so it is 31 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 12,600 vehicles a day, roughly 4% of them trucks, projected to reach 25,300 by 2025. The structure is 32 ft (9.9 m) long and 135 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPr 906 12 KM
CrossesWaterway
Location4.5 KM S E of Humacao
RouteState Highway 906
CountyHumacao Municipio
StatePuerto Rico
Coordinates18.11162, -65.82146
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span10 ft (3.1 m)
Deck width135 ft (41 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2017)
Projected traffic25,300 by 2025
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a toll 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 906 12 KM over Waterway built?

It was built in 1994, making it 31 years old in 2025.

What condition is Pr 906 12 KM over Waterway 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 September 2024.

How much traffic does Pr 906 12 KM over Waterway carry?

About 12,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 906 12 KM over Waterway?

The structure is 32 ft (9.9 m) long with a longest span of 10 ft (3.1 m) and a deck 135 ft wide.

Who owns Pr 906 12 KM over Waterway?

It is owned by the State Highway Agency.