US Bridges

SR574 Cheyenne Ave over I 15

Fair

Clark County, Nevada · North Las Vegas · Structure no. I1126

Built
1999
26 years old
Condition
Fair
inspected February 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
225 ft
2 main spans
Daily traffic
52,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR574 Cheyenne Ave over I 15 is a prestressed concrete continuous box beam or girders - single or spread carrying SR574 Cheyenne Ave over I 15 in Clark County, Nevada. It was built in 1999, so it is 26 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 52,000 vehicles a day, roughly 10% of them trucks, projected to reach 84,000 by 2040. The structure is 225 ft (68.5 m) long and 218 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR574 Cheyenne Ave
CrossesI 15
LocationNorth Las Vegas
RouteState Highway 574
CountyClark County
StateNevada
Coordinates36.21787, -115.12389
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 rating64.8 US tons
Inventory rating38.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length225 ft (68.5 m)
Longest span92 ft (28 m)
Deck width218 ft (66.5 m)
Roadway width210 ft (64 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic52,000 (2021)
Projected traffic84,000 by 2040
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SR574 Cheyenne Ave over I 15 built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR574 Cheyenne Ave over I 15 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 February 2021.

How much traffic does SR574 Cheyenne Ave over I 15 carry?

About 52,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR574 Cheyenne Ave over I 15?

The structure is 225 ft (68.5 m) long with a longest span of 92 ft (28 m) and a deck 218 ft wide.

Who owns SR574 Cheyenne Ave over I 15?

It is owned by the State Highway Agency.