US Bridges

El Granada Blvd over Drainage Channel

Good

Maricopa County, Arizona · 0.5 Mi. N/Happyvalley RD · Structure no. 10785

Built
2007
18 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
1,000
2022 count
Owner
County
County Highway Agency

About this bridge

El Granada Blvd over Drainage Channel is a concrete continuous culvert carrying El Granada Blvd over Drainage Channel in Maricopa County, Arizona. It was built in 2007, so it is 18 years old, younger than the Arizona average of 47.8 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, projected to reach 1,010 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEl Granada Blvd
CrossesDrainage Channel
Location0.5 Mi. N/Happyvalley RD
RouteCounty Highway 0
StateArizona
Coordinates33.71742, -112.34772
Functional classUrban 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 inspectionDecember 2022
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: 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 rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,010 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 El Granada Blvd over Drainage Channel built?

It was built in 2007, making it 18 years old in 2025.

What condition is El Granada Blvd over Drainage Channel 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 December 2022.

How much traffic does El Granada Blvd over Drainage Channel carry?

About 1,000 vehicles per day (2022 count).

How long is El Granada Blvd over Drainage Channel?

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

Who owns El Granada Blvd over Drainage Channel?

It is owned by the County Highway Agency.