US Bridges

Summerlin Parkway over Rampart Blvd

Good

Clark County, Nevada · Las Vegas · Structure no. I2143W

Built
1995
30 years old
Condition
Good
inspected November 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
159 ft
1 main span
Daily traffic
37,500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Summerlin Parkway over Rampart Blvd is a prestressed concrete box beam or girders - single or spread carrying Summerlin Parkway over Rampart Blvd in Clark County, Nevada. It was built in 1995, so it is 30 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 37,500 vehicles a day, roughly 3% of them trucks, projected to reach 85,827 by 2040. The structure is 159 ft (48.5 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSummerlin Parkway
CrossesRampart Blvd
LocationLas Vegas
RouteCity Street 0
StateNevada
Coordinates36.17803, -115.28716
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating94.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length159 ft (48.5 m)
Longest span157 ft (47.9 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2021)
Projected traffic85,827 by 2040
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Summerlin Parkway over Rampart Blvd built?

It was built in 1995, making it 30 years old in 2025.

What condition is Summerlin Parkway over Rampart Blvd 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 November 2021.

How much traffic does Summerlin Parkway over Rampart Blvd carry?

About 37,500 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Summerlin Parkway over Rampart Blvd?

The structure is 159 ft (48.5 m) long with a longest span of 157 ft (47.9 m) and a deck 67 ft wide.

Who owns Summerlin Parkway over Rampart Blvd?

It is owned by the City or Municipal Highway Agency.