US Bridges

SR582 Boulder HWY over Flamingo Wash

Fair

Clark County, Nevada · NW of Henderson · Structure no. B 194N

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
2 main spans
Daily traffic
17,500
2017 count
Owner
State
State Highway Agency

About this bridge

SR582 Boulder HWY over Flamingo Wash is a prestressed concrete box beam or girders - multiple carrying SR582 Boulder HWY over Flamingo Wash in Clark County, Nevada. It was built in 2001, so it is 24 years old, younger 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 17,500 vehicles a day, roughly 3% of them trucks, projected to reach 36,192 by 2040. The structure is 78 ft (23.8 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR582 Boulder HWY
CrossesFlamingo Wash
LocationNW of Henderson
RouteState Highway 582
CountyClark County
StateNevada
Coordinates36.14133, -115.09635
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: 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 rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length78 ft (23.8 m)
Longest span39 ft (11.8 m)
Deck width72 ft (21.9 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2017)
Projected traffic36,192 by 2040
Trucks3%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR582 Boulder HWY over Flamingo Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR582 Boulder HWY 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 October 2023.

How much traffic does SR582 Boulder HWY over Flamingo Wash carry?

About 17,500 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is SR582 Boulder HWY over Flamingo Wash?

The structure is 78 ft (23.8 m) long with a longest span of 39 ft (11.8 m) and a deck 72 ft wide.

Who owns SR582 Boulder HWY over Flamingo Wash?

It is owned by the State Highway Agency.