US Bridges

Simmons RD over Las Vegas Channel

Fair

Clark County, Nevada · North Las Vegas · Structure no. B2508

Built
1999
26 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
54 ft
2 main spans
Daily traffic
13,300
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Simmons RD over Las Vegas Channel is a concrete culvert carrying Simmons RD over Las Vegas Channel in Clark County, Nevada. It was built in 1999, so it is 26 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 13,300 vehicles a day, roughly 1% of them trucks, projected to reach 27,506 by 2040. The structure is 54 ft (16.4 m) long and 108 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSimmons RD
CrossesLas Vegas Channel
LocationNorth Las Vegas
RouteCity Street 0
CountyClark County
StateNevada
Coordinates36.25822, -115.17997
Functional classUrban Collector

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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating80.1 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length54 ft (16.4 m)
Longest span26 ft (8 m)
Deck width108 ft (32.9 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,300 (2017)
Projected traffic27,506 by 2040
Trucks1%
Lanes on structure7
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

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 Simmons RD over Las Vegas Channel built?

It was built in 1999, making it 26 years old in 2025.

What condition is Simmons RD over Las Vegas Channel 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 2024.

How much traffic does Simmons RD over Las Vegas Channel carry?

About 13,300 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Simmons RD over Las Vegas Channel?

The structure is 54 ft (16.4 m) long with a longest span of 26 ft (8 m) and a deck 108 ft wide.

Who owns Simmons RD over Las Vegas Channel?

It is owned by the City or Municipal Highway Agency.