US Bridges

I 15S over I 15 & 215 Ramps

Fair

Clark County, Nevada · Las Vegas · Structure no. I1983S

Built
1994
31 years old, rebuilt 2011
Condition
Fair
inspected December 2020
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
63,000
2021 count
Owner
County
County Highway Agency

About this bridge

I 15S over I 15 & 215 Ramps is a prestressed concrete continuous box beam or girders - multiple carrying I 15S over I 15 & 215 Ramps in Clark County, Nevada. It was built in 1994 and reconstructed in 2011, so it is 31 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 63,000 vehicles a day, roughly 8% of them trucks, projected to reach 142,700 by 2040. The structure is 212 ft (64.6 m) long and 93 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15S
CrossesI 15 & 215 Ramps
LocationLas Vegas
RouteInterstate 15
StateNevada
Coordinates36.06125, -115.18093
Functional classUrban Principal Arterial - Interstate

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 inspectionDecember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length212 ft (64.6 m)
Longest span110 ft (33.5 m)
Deck width93 ft (28.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,000 (2021)
Projected traffic142,700 by 2040
Trucks8%
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

OwnerCounty 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 15S over I 15 & 215 Ramps built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2011.

What condition is I 15S over I 15 & 215 Ramps 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 December 2020.

How much traffic does I 15S over I 15 & 215 Ramps carry?

About 63,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I 15S over I 15 & 215 Ramps?

The structure is 212 ft (64.6 m) long with a longest span of 110 ft (33.5 m) and a deck 93 ft wide.

Who owns I 15S over I 15 & 215 Ramps?

It is owned by the County Highway Agency and maintained by the State Highway Agency.