US Bridges

Lone Mountian Road over Dry Wash

Good

Maricopa County, Arizona · 0.15 MI E of 60th Street · Structure no. 11020

Built
2009
16 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
6,889
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lone Mountian Road over Dry Wash is a concrete continuous culvert carrying Lone Mountian Road over Dry Wash in Maricopa County, Arizona. It was built in 2009, so it is 16 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 6,889 vehicles a day, roughly 5% of them trucks, projected to reach 7,889 by 2030. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLone Mountian Road
CrossesDry Wash
Location0.15 MI E of 60th Street
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7703, -111.9493
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,889 (2011)
Projected traffic7,889 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Lone Mountian Road over Dry Wash built?

It was built in 2009, making it 16 years old in 2025.

What condition is Lone Mountian Road 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 January 2022.

How much traffic does Lone Mountian Road over Dry Wash carry?

About 6,889 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Lone Mountian Road over Dry Wash?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m).

Who owns Lone Mountian Road over Dry Wash?

It is owned by the City or Municipal Highway Agency.