US Bridges

Mountain Sky Ave. over Dry Wash

Good

Maricopa County, Arizona · East of 40 Pl. · Structure no. 10149

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
2,400
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mountain Sky Ave. over Dry Wash is a concrete continuous culvert carrying Mountain Sky Ave. over Dry Wash in Maricopa County, Arizona. It was built in 1999, so it is 26 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 2,400 vehicles a day, roughly 1% of them trucks, projected to reach 3,400 by 2030. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMountain Sky Ave.
CrossesDry Wash
LocationEast of 40 Pl.
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3073, -111.9949
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 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 rating68.5 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.8 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 traffic2,400 (2014)
Projected traffic3,400 by 2030
Trucks1%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mountain Sky Ave. over Dry Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mountain Sky Ave. 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 Mountain Sky Ave. over Dry Wash carry?

About 2,400 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Mountain Sky Ave. over Dry Wash?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Mountain Sky Ave. over Dry Wash?

It is owned by the City or Municipal Highway Agency.