US Bridges

W Lone Mountain RD over Dry Wash

Good

Clark County, Nevada · NW of Las Vegas · Structure no. B2935

Built
2012
13 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
12,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Lone Mountain RD over Dry Wash is a concrete culvert carrying W Lone Mountain RD over Dry Wash in Clark County, Nevada. It was built in 2012, so it is 13 years old, younger than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 24,817 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Lone Mountain RD
CrossesDry Wash
LocationNW of Las Vegas
RouteCity Street 0
StateNevada
Coordinates36.24795, -115.24714
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2017)
Projected traffic24,817 by 2040
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was W Lone Mountain RD over Dry Wash built?

It was built in 2012, making it 13 years old in 2025.

What condition is W Lone Mountain RD 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 February 2024.

How much traffic does W Lone Mountain RD over Dry Wash carry?

About 12,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is W Lone Mountain RD over Dry Wash?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m).

Who owns W Lone Mountain RD over Dry Wash?

It is owned by the City or Municipal Highway Agency.