US Bridges

SR 612 Nellis Bl over Flamingo Wash

Good

Clark County, Nevada · Las Vegas · Structure no. B1545

Built
1989
36 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
40,000
2017 count
Owner
County
County Highway Agency

About this bridge

SR 612 Nellis Bl over Flamingo Wash is a concrete continuous slab carrying SR 612 Nellis Bl over Flamingo Wash in Clark County, Nevada. It was built in 1989, so it is 36 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 40,000 vehicles a day, roughly 7% of them trucks, projected to reach 82,725 by 2040. The structure is 110 ft (33.5 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 612 Nellis Bl
CrossesFlamingo Wash
LocationLas Vegas
RouteState Highway 612
StateNevada
Coordinates36.14222, -115.06547
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span44 ft (13.4 m)
Deck width113 ft (34.4 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,000 (2017)
Projected traffic82,725 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 612 Nellis Bl over Flamingo Wash built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 612 Nellis Bl over Flamingo 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 October 2021.

How much traffic does SR 612 Nellis Bl over Flamingo Wash carry?

About 40,000 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR 612 Nellis Bl over Flamingo Wash?

The structure is 110 ft (33.5 m) long with a longest span of 44 ft (13.4 m) and a deck 113 ft wide.

Who owns SR 612 Nellis Bl over Flamingo Wash?

It is owned by the County Highway Agency.