US Bridges

Allied Way over Drainage Channel

Good

Maricopa County, Arizona · South of Mayo Blvd. · Structure no. 11185

Built
2006
19 years old
Condition
Good
inspected December 2020
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
3,099
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allied Way over Drainage Channel is a concrete continuous culvert carrying Allied Way over Drainage Channel in Maricopa County, Arizona. It was built in 2006, so it is 19 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 3,099 vehicles a day, roughly 1% of them trucks, projected to reach 3,109 by 2034. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAllied Way
CrossesDrainage Channel
LocationSouth of Mayo Blvd.
RouteCity Street 0
StateArizona
Coordinates33.6549, -111.9297
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,099 (2014)
Projected traffic3,109 by 2034
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Allied Way over Drainage Channel built?

It was built in 2006, making it 19 years old in 2025.

What condition is Allied Way 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 2020.

How much traffic does Allied Way over Drainage Channel carry?

About 3,099 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Allied Way over Drainage Channel?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Allied Way over Drainage Channel?

It is owned by the City or Municipal Highway Agency.