US Bridges

I 15N over US 93 Garnet Interch

Good

Clark County, Nevada · North of Las Vegas · Structure no. I3233N

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
14,600
2021 count
Owner
State
State Highway Agency

About this bridge

I 15N over US 93 Garnet Interch is a prestressed concrete stringer/multi-beam or girder carrying I 15N over US 93 Garnet Interch in Clark County, Nevada. It was built in 2019, so it is 6 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 14,600 vehicles a day, roughly 18% of them trucks, projected to reach 16,500 by 2037. The structure is 104 ft (31.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15N
CrossesUS 93 Garnet Interch
LocationNorth of Las Vegas
RouteInterstate 15
StateNevada
Coordinates36.38089, -114.8916
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span102 ft (31.1 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2021)
Projected traffic16,500 by 2037
Trucks18%
Lanes on structure2
Traffic directionOne-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 15N over US 93 Garnet Interch built?

It was built in 2019, making it 6 years old in 2025.

What condition is I 15N over US 93 Garnet Interch 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 15N over US 93 Garnet Interch carry?

About 14,600 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is I 15N over US 93 Garnet Interch?

The structure is 104 ft (31.7 m) long with a longest span of 102 ft (31.1 m) and a deck 61 ft wide.

Who owns I 15N over US 93 Garnet Interch?

It is owned by the State Highway Agency.