US Bridges

I 15N over Rmp 15N to 215W

Good

Clark County, Nevada · Las Vegas · Structure no. I1985N

Built
1997
28 years old, rebuilt 2011
Condition
Good
inspected February 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
99,500
2021 count
Owner
State
State Highway Agency

About this bridge

I 15N over Rmp 15N to 215W is a prestressed concrete box beam or girders - multiple carrying I 15N over Rmp 15N to 215W in Clark County, Nevada. It was built in 1997 and reconstructed in 2011, so it is 28 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 99,500 vehicles a day, roughly 13% of them trucks, projected to reach 337,000 by 2040. The structure is 145 ft (44.2 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15N
CrossesRmp 15N to 215W
LocationLas Vegas
RouteInterstate 15
StateNevada
Coordinates36.0655, -115.18062
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 rating110.1 US tons
Inventory rating75.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length145 ft (44.2 m)
Longest span143 ft (43.6 m)
Deck width91 ft (27.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,500 (2021)
Projected traffic337,000 by 2040
Trucks13%
Lanes on structure5
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 15N over Rmp 15N to 215W built?

It was built in 1997, making it 28 years old in 2025. It was reconstructed in 2011.

What condition is I 15N over Rmp 15N to 215W 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 2021.

How much traffic does I 15N over Rmp 15N to 215W carry?

About 99,500 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I 15N over Rmp 15N to 215W?

The structure is 145 ft (44.2 m) long with a longest span of 143 ft (43.6 m) and a deck 91 ft wide.

Who owns I 15N over Rmp 15N to 215W?

It is owned by the State Highway Agency.