US Bridges

91st Avenue over Durango Reg Conv Channel

Good

Maricopa County, Arizona · 550 Ft S of Superior Ave · Structure no. 11686

Built
2019
6 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
10,713
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

91st Avenue over Durango Reg Conv Channel is a concrete continuous culvert carrying 91st Avenue over Durango Reg Conv Channel in Maricopa County, Arizona. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,713 vehicles a day, projected to reach 10,723 by 2041. The structure is 34 ft (10.4 m) long and 77 ft wide.

Location

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Carries91st Avenue
CrossesDurango Reg Conv Channel
Location550 Ft S of Superior Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4141, -112.2554
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width77 ft (23.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,713 (2021)
Projected traffic10,723 by 2041
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 91st Avenue over Durango Reg Conv Channel built?

It was built in 2019, making it 6 years old in 2025.

What condition is 91st Avenue over Durango Reg Conv 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 July 2022.

How much traffic does 91st Avenue over Durango Reg Conv Channel carry?

About 10,713 vehicles per day (2021 count).

How long is 91st Avenue over Durango Reg Conv Channel?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 77 ft wide.

Who owns 91st Avenue over Durango Reg Conv Channel?

It is owned by the City or Municipal Highway Agency.