US Bridges

SR147 Lake Mead Bl over Sloan Chnl

Fair

Clark County, Nevada · Las Vegas · Structure no. B1717

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
64 ft
5 main spans
Daily traffic
14,410
2017 count
Owner
State
State Highway Agency

About this bridge

SR147 Lake Mead Bl over Sloan Chnl is a concrete culvert carrying SR147 Lake Mead Bl over Sloan Chnl in Clark County, Nevada. It was built in 1980, so it is 45 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 14,410 vehicles a day, roughly 6% of them trucks, projected to reach 29,802 by 2040. The structure is 64 ft (19.5 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR147 Lake Mead Bl
CrossesSloan Chnl
LocationLas Vegas
RouteState Highway 147
CountyClark County
StateNevada
Coordinates36.19617, -115.04358
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span12 ft (3.7 m)
Deck width88 ft (26.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,410 (2017)
Projected traffic29,802 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 SR147 Lake Mead Bl over Sloan Chnl built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR147 Lake Mead Bl over Sloan Chnl 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 Sloan Chnl carry?

About 14,410 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR147 Lake Mead Bl over Sloan Chnl?

The structure is 64 ft (19.5 m) long with a longest span of 12 ft (3.7 m) and a deck 88 ft wide.

Who owns SR147 Lake Mead Bl over Sloan Chnl?

It is owned by the State Highway Agency.