US Bridges

SR160 Blue Diamond over I 15

Good

Clark County, Nevada · Blue Diamond · Structure no. I 675

Built
2007
18 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
294 ft
2 main spans
Daily traffic
42,000
2017 count
Owner
State
State Highway Agency

About this bridge

SR160 Blue Diamond over I 15 is a steel continuous stringer/multi-beam or girder carrying SR160 Blue Diamond over I 15 in Clark County, Nevada. It was built in 2007, so it is 18 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 42,000 vehicles a day, roughly 5% of them trucks, projected to reach 86,861 by 2040. The structure is 294 ft (89.5 m) long and 160 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR160 Blue Diamond
CrossesI 15
LocationBlue Diamond
RouteState Highway 160
StateNevada
Coordinates36.04352, -115.18089
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 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 rating71.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length294 ft (89.5 m)
Longest span145 ft (44.3 m)
Deck width160 ft (48.8 m)
Roadway width147 ft (44.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,000 (2017)
Projected traffic86,861 by 2040
Trucks5%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 SR160 Blue Diamond over I 15 built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR160 Blue Diamond over I 15 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 SR160 Blue Diamond over I 15 carry?

About 42,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is SR160 Blue Diamond over I 15?

The structure is 294 ft (89.5 m) long with a longest span of 145 ft (44.3 m) and a deck 160 ft wide.

Who owns SR160 Blue Diamond over I 15?

It is owned by the State Highway Agency.