US Bridges

I 15 over SR589 Sahara Av

Good

Clark County, Nevada · Las Vegas · Structure no. I 837

Built
2001
24 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
4 main spans
Daily traffic
296,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 over SR589 Sahara Av is a steel continuous stringer/multi-beam or girder carrying I 15 over SR589 Sahara Av in Clark County, Nevada. It was built in 2001, so it is 24 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 296,000 vehicles a day, roughly 7% of them trucks, projected to reach 444,645 by 2040. The structure is 287 ft (87.6 m) long and 156 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15
CrossesSR589 Sahara Av
LocationLas Vegas
RouteInterstate 15
StateNevada
Coordinates36.14408, -115.17105
Functional classUrban Principal Arterial - Interstate

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 inspectionFebruary 2023
Inspection intervalevery 24 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 rating81.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length287 ft (87.6 m)
Longest span96 ft (29.2 m)
Deck width156 ft (47.6 m)
Roadway width151 ft (46 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296,000 (2021)
Projected traffic444,645 by 2040
Trucks7%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 15 over SR589 Sahara Av built?

It was built in 2001, making it 24 years old in 2025.

What condition is I 15 over SR589 Sahara Av 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 February 2023.

How much traffic does I 15 over SR589 Sahara Av carry?

About 296,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I 15 over SR589 Sahara Av?

The structure is 287 ft (87.6 m) long with a longest span of 96 ft (29.2 m) and a deck 156 ft wide.

Who owns I 15 over SR589 Sahara Av?

It is owned by the State Highway Agency.