US Bridges

40th Street over Indian Bend Wash

Good

Maricopa County, Arizona · 0.1 MI N of Cactus RD · Structure no. 10408

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
233 ft
6 main spans
Daily traffic
12,625
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th Street over Indian Bend Wash is a concrete continuous box beam or girders - multiple carrying 40th Street over Indian Bend Wash 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 12,625 vehicles a day, roughly 1% of them trucks, projected to reach 12,635 by 2039. The structure is 233 ft (71 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries40th Street
CrossesIndian Bend Wash
Location0.1 MI N of Cactus RD
RouteCity Street 0
StateArizona
Coordinates33.5986, -111.9958
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.1 US tons
Inventory rating28.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length233 ft (71 m)
Longest span38 ft (11.7 m)
Deck width84 ft (25.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,625 (2019)
Projected traffic12,635 by 2039
Trucks1%
Lanes on structure4
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 40th Street over Indian Bend Wash built?

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

What condition is 40th Street over Indian Bend Wash 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 2023.

How much traffic does 40th Street over Indian Bend Wash carry?

About 12,625 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is 40th Street over Indian Bend Wash?

The structure is 233 ft (71 m) long with a longest span of 38 ft (11.7 m) and a deck 84 ft wide.

Who owns 40th Street over Indian Bend Wash?

It is owned by the City or Municipal Highway Agency.