US Bridges

Summerlin Parkway over Future RAMP(SP9)

Good

Clark County, Nevada · West of Las Vegas · Structure no. I2337

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
75 ft
1 main span
Daily traffic
2,500
2017 count
Owner
County
County Highway Agency

About this bridge

Summerlin Parkway over Future RAMP(SP9) is a concrete box beam or girders - single or spread carrying Summerlin Parkway over Future RAMP(SP9) in Clark County, Nevada. It was built in 2009, so it is 16 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 2,500 vehicles a day, roughly 3% of them trucks, projected to reach 47,500 by 2040. The structure is 75 ft (22.9 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSummerlin Parkway
CrossesFuture RAMP(SP9)
LocationWest of Las Vegas
RouteCity Street 0
CountyClark County
StateNevada
Coordinates36.19184, -115.34476
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating110.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width129 ft (39.4 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2017)
Projected traffic47,500 by 2040
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Future RAMP(SP9) built?

It was built in 2009, making it 16 years old in 2025.

What condition is Summerlin Parkway over Future RAMP(SP9) 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 October 2023.

How much traffic does Summerlin Parkway over Future RAMP(SP9) carry?

About 2,500 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Summerlin Parkway over Future RAMP(SP9)?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 129 ft wide.

Who owns Summerlin Parkway over Future RAMP(SP9)?

It is owned by the County Highway Agency.