US Bridges

Alexander Drive over Vandenberg Wash

Good

Clark County, Nevada · 1/5 MI East of N Lamb Blv · Structure no. B3298

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
5,800
2020 count
Owner
County
County Highway Agency

About this bridge

Alexander Drive over Vandenberg Wash is a concrete culvert carrying Alexander Drive over Vandenberg Wash in Clark County, Nevada. It was built in 2021, so it is 4 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 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 5,800 vehicles a day, roughly 1% of them trucks, projected to reach 6,380 by 2040. The structure is 50 ft (15.2 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlexander Drive
CrossesVandenberg Wash
Location1/5 MI East of N Lamb Blv
RouteCounty Highway 0
StateNevada
Coordinates36.23266, -115.07608
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span13 ft (4 m)
Deck width115 ft (35.1 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2020)
Projected traffic6,380 by 2040
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Alexander Drive over Vandenberg Wash built?

It was built in 2021, making it 4 years old in 2025.

What condition is Alexander Drive over Vandenberg 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 2024.

How much traffic does Alexander Drive over Vandenberg Wash carry?

About 5,800 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Alexander Drive over Vandenberg Wash?

The structure is 50 ft (15.2 m) long with a longest span of 13 ft (4 m) and a deck 115 ft wide.

Who owns Alexander Drive over Vandenberg Wash?

It is owned by the County Highway Agency.