US Bridges

SR147 Lake Mead Bl over Las Vegas Wash

Fair

Clark County, Nevada · North Las Vegas · Structure no. B1537

Built
2012
13 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
88 ft
3 main spans
Daily traffic
22,200
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

SR147 Lake Mead Bl over Las Vegas Wash is a concrete culvert carrying SR147 Lake Mead Bl over Las Vegas Wash in Clark County, Nevada. It was built in 2012, so it is 13 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 22,200 vehicles a day, roughly 2% of them trucks, projected to reach 45,912 by 2040. The structure is 88 ft (26.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR147 Lake Mead Bl
CrossesLas Vegas Wash
LocationNorth Las Vegas
RouteState Highway 147
StateNevada
Coordinates36.19592, -115.09853
Functional classUrban Minor 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length88 ft (26.7 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,200 (2017)
Projected traffic45,912 by 2040
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 SR147 Lake Mead Bl over Las Vegas Wash built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR147 Lake Mead Bl over Las Vegas 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 November 2023.

How much traffic does SR147 Lake Mead Bl over Las Vegas Wash carry?

About 22,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is SR147 Lake Mead Bl over Las Vegas Wash?

The structure is 88 ft (26.7 m) long with a longest span of 24 ft (7.3 m).

Who owns SR147 Lake Mead Bl over Las Vegas Wash?

It is owned by the City or Municipal Highway Agency.