US Bridges

I15N over SR 159 Charleston Blvd

Good

Clark County, Nevada · Las Vegas · Structure no. I3218N

Built
2018
7 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
2 main spans
Daily traffic
94,400
2021 count
Owner
State
State Highway Agency

About this bridge

I15N over SR 159 Charleston Blvd is a prestressed concrete stringer/multi-beam or girder carrying I15N over SR 159 Charleston Blvd in Clark County, Nevada. It was built in 2018, so it is 7 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 94,400 vehicles a day, roughly 5% of them trucks, projected to reach 141,000 by 2037. The structure is 212 ft (64.6 m) long and 103 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI15N
CrossesSR 159 Charleston Blvd
LocationLas Vegas
RouteInterstate 15
CountyClark County
StateNevada
Coordinates36.15904, -115.16041
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length212 ft (64.6 m)
Longest span114 ft (34.7 m)
Deck width103 ft (31.4 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,400 (2021)
Projected traffic141,000 by 2037
Trucks5%
Lanes on structure7
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 I15N over SR 159 Charleston Blvd built?

It was built in 2018, making it 7 years old in 2025.

What condition is I15N over SR 159 Charleston Blvd 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 September 2022.

How much traffic does I15N over SR 159 Charleston Blvd carry?

About 94,400 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is I15N over SR 159 Charleston Blvd?

The structure is 212 ft (64.6 m) long with a longest span of 114 ft (34.7 m) and a deck 103 ft wide.

Who owns I15N over SR 159 Charleston Blvd?

It is owned by the State Highway Agency.