US Bridges

Mountain Road over Wash

Good

Maricopa County, Arizona · 40 Ft N of E Roselle Ave · Structure no. 10445

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
2,663
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mountain Road over Wash is a concrete continuous culvert carrying Mountain Road over Wash in Maricopa County, Arizona. It was built in 2002, so it is 23 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 2,663 vehicles a day, roughly 5% of them trucks, projected to reach 2,673 by 2039. The structure is 27 ft (8.2 m) long and 143 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMountain Road
CrossesWash
Location40 Ft N of E Roselle Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3395, -111.5923
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width143 ft (43.6 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,663 (2019)
Projected traffic2,673 by 2039
Trucks5%
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 Mountain Road over Wash built?

It was built in 2002, making it 23 years old in 2025.

What condition is Mountain Road over 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 July 2023.

How much traffic does Mountain Road over Wash carry?

About 2,663 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Mountain Road over Wash?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 143 ft wide.

Who owns Mountain Road over Wash?

It is owned by the City or Municipal Highway Agency.