US Bridges

Rampart Bl over Cheyenne Chnl

Fair

Clark County, Nevada · Las Vegas · Structure no. B2144

Built
1996
29 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
21,100
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rampart Bl over Cheyenne Chnl is a concrete slab carrying Rampart Bl over Cheyenne Chnl in Clark County, Nevada. It was built in 1996, so it is 29 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 21,100 vehicles a day, projected to reach 34,000 by 2040. The structure is 36 ft (11.1 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRampart Bl
CrossesCheyenne Chnl
LocationLas Vegas
RouteCity Street 0
CountyClark County
StateNevada
Coordinates36.21836, -115.2789
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11.1 m)
Longest span36 ft (11.1 m)
Deck width113 ft (34.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,100 (2021)
Projected traffic34,000 by 2040
Trucks0%
Lanes on structure8
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 Rampart Bl over Cheyenne Chnl built?

It was built in 1996, making it 29 years old in 2025.

What condition is Rampart Bl over Cheyenne 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 Rampart Bl over Cheyenne Chnl carry?

About 21,100 vehicles per day (2021 count).

How long is Rampart Bl over Cheyenne Chnl?

The structure is 36 ft (11.1 m) long with a longest span of 36 ft (11.1 m) and a deck 113 ft wide.

Who owns Rampart Bl over Cheyenne Chnl?

It is owned by the City or Municipal Highway Agency.