US Bridges

Las Vegas Blvd. over Dry Wash

Fair

Clark County, Nevada · North of Las Vegas · Structure no. B 313

Built
1937
88 years old, rebuilt 1957
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
17,000
2017 count
Owner
State
State Highway Agency

About this bridge

Las Vegas Blvd. over Dry Wash is a concrete culvert carrying Las Vegas Blvd. over Dry Wash in Clark County, Nevada. It was built in 1937 and reconstructed in 1957, so it is 88 years old, older than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,000 vehicles a day, roughly 2% of them trucks, projected to reach 35,158 by 2040. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLas Vegas Blvd.
CrossesDry Wash
LocationNorth of Las Vegas
RouteU.S. Route 604
CountyClark County
StateNevada
Coordinates36.20696, -115.11176
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2017)
Projected traffic35,158 by 2040
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Las Vegas Blvd. over Dry Wash built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1957.

What condition is Las Vegas Blvd. over Dry Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Las Vegas Blvd. over Dry Wash carry?

About 17,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Las Vegas Blvd. over Dry Wash?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns Las Vegas Blvd. over Dry Wash?

It is owned by the State Highway Agency.