US Bridges

Stonegate RD over Drainage Channel

Good

Pinal County, Arizona · 0.1 MI N JCT Mcg HWY · Structure no. 10822

Built
2008
17 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
50 ft
4 main spans
Daily traffic
550
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stonegate RD over Drainage Channel is a concrete continuous culvert carrying Stonegate RD over Drainage Channel in Pinal County, Arizona. It was built in 2008, so it is 17 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 550 vehicles a day, roughly 1% of them trucks, projected to reach 560 by 2040. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStonegate RD
CrossesDrainage Channel
Location0.1 MI N JCT Mcg HWY
RouteCity Street 0
CountyPinal County
StateArizona
Coordinates33.0405, -112.0211
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2020)
Projected traffic560 by 2040
Trucks1%
Lanes on structure3
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Stonegate RD over Drainage Channel built?

It was built in 2008, making it 17 years old in 2025.

What condition is Stonegate RD 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 April 2021.

How much traffic does Stonegate RD over Drainage Channel carry?

About 550 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Stonegate RD over Drainage Channel?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Stonegate RD over Drainage Channel?

It is owned by the City or Municipal Highway Agency.