US Bridges

Las Vegas Blvd. over Flamingo Wash

Fair

Clark County, Nevada · Las Vegas · Structure no. B 508

Built
1948
77 years old, rebuilt 1951
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
98 ft
8 main spans
Daily traffic
60,000
2017 count
Owner
State
State Highway Agency

About this bridge

Las Vegas Blvd. over Flamingo Wash is a concrete culvert carrying Las Vegas Blvd. over Flamingo Wash in Clark County, Nevada. It was built in 1948 and reconstructed in 1951, so it is 77 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 6 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 60,000 vehicles a day, roughly 3% of them trucks, projected to reach 124,087 by 2040. The structure is 98 ft (29.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesLas Vegas Blvd.
CrossesFlamingo Wash
LocationLas Vegas
RouteCity Street 604
CountyClark County
StateNevada
Coordinates36.11844, -115.17282
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadHS 20
Structure length98 ft (29.9 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 traffic60,000 (2017)
Projected traffic124,087 by 2040
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Las Vegas Blvd. over Flamingo Wash built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1951.

What condition is Las Vegas Blvd. over Flamingo 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 Flamingo Wash carry?

About 60,000 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Las Vegas Blvd. over Flamingo Wash?

The structure is 98 ft (29.9 m) long with a longest span of 10 ft (3 m).

Who owns Las Vegas Blvd. over Flamingo Wash?

It is owned by the State Highway Agency.