US Bridges

40 TH Street over Dry Wash

Good

Maricopa County, Arizona · N of Lakeside Blvd · Structure no. 07737

Built
1988
37 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
34 ft
4 main spans
Daily traffic
1,025
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

40 TH Street over Dry Wash is a concrete continuous culvert carrying 40 TH Street over Dry Wash in Maricopa County, Arizona. It was built in 1988, so it is 37 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 1,025 vehicles a day, roughly 1% of them trucks, projected to reach 1,125 by 2030. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries40 TH Street
CrossesDry Wash
LocationN of Lakeside Blvd
RouteCity Street 0
StateArizona
Coordinates33.333, -111.9973
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 inspectionMarch 2023
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 rating79.1 US tons
Inventory rating46.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4 (+1 approach)
Design loadHS 20
Structure length34 ft (10.5 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 traffic1,025 (2010)
Projected traffic1,125 by 2030
Trucks1%
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

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 40 TH Street over Dry Wash built?

It was built in 1988, making it 37 years old in 2025.

What condition is 40 TH Street over Dry 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 March 2023.

How much traffic does 40 TH Street over Dry Wash carry?

About 1,025 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 40 TH Street over Dry Wash?

The structure is 34 ft (10.5 m) long with a longest span of 8 ft (2.4 m).

Who owns 40 TH Street over Dry Wash?

It is owned by the City or Municipal Highway Agency.