US Bridges

SR599 Rancho Drive over US 95 Off Ramp

Good

Clark County, Nevada · West of Las Vegas · Structure no. H2917

Built
2012
13 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
465 ft
4 main spans
Daily traffic
7,650
2021 count
Owner
State
State Highway Agency

About this bridge

SR599 Rancho Drive over US 95 Off Ramp is a prestressed concrete continuous box beam or girders - single or spread carrying SR599 Rancho Drive over US 95 Off Ramp in Clark County, Nevada. It was built in 2012, so it is 13 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 7,650 vehicles a day, roughly 1% of them trucks, projected to reach 12,616 by 2040. The structure is 465 ft (141.6 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR599 Rancho Drive
CrossesUS 95 Off Ramp
LocationWest of Las Vegas
RouteCity Street 0
StateNevada
Coordinates36.25594, -115.247
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating63.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length465 ft (141.6 m)
Longest span140 ft (42.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,650 (2021)
Projected traffic12,616 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR599 Rancho Drive over US 95 Off Ramp built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR599 Rancho Drive over US 95 Off Ramp 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 2024.

How much traffic does SR599 Rancho Drive over US 95 Off Ramp carry?

About 7,650 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is SR599 Rancho Drive over US 95 Off Ramp?

The structure is 465 ft (141.6 m) long with a longest span of 140 ft (42.7 m) and a deck 39 ft wide.

Who owns SR599 Rancho Drive over US 95 Off Ramp?

It is owned by the State Highway Agency.