US Bridges

I 15 Ramp to Sp. M over Ramp Flamingo to I 15

Fair

Clark County, Nevada · Las Vegas · Structure no. H2015

Built
1999
26 years old
Condition
Fair
inspected February 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
507 ft
3 main spans
Daily traffic
17,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 Ramp to Sp. M over Ramp Flamingo to I 15 is a prestressed concrete continuous box beam or girders - multiple carrying I 15 Ramp to Sp. M over Ramp Flamingo to I 15 in Clark County, Nevada. It was built in 1999, so it is 26 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 17,000 vehicles a day, projected to reach 333,000 by 2040. The structure is 507 ft (154.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 15 Ramp to Sp. M
CrossesRamp Flamingo to I 15
LocationLas Vegas
RouteInterstate 15
StateNevada
Coordinates36.11702, -115.18021
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 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 rating91.4 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length507 ft (154.5 m)
Longest span195 ft (59.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2021)
Projected traffic333,000 by 2040
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 15 Ramp to Sp. M over Ramp Flamingo to I 15 built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 15 Ramp to Sp. M over Ramp Flamingo to I 15 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 February 2021.

How much traffic does I 15 Ramp to Sp. M over Ramp Flamingo to I 15 carry?

About 17,000 vehicles per day (2021 count).

How long is I 15 Ramp to Sp. M over Ramp Flamingo to I 15?

The structure is 507 ft (154.5 m) long with a longest span of 195 ft (59.4 m) and a deck 43 ft wide.

Who owns I 15 Ramp to Sp. M over Ramp Flamingo to I 15?

It is owned by the State Highway Agency.