US Bridges

I 15 Ramp to Spr.M over Uprr/Ramp Sp.M to I 15

Fair

Clark County, Nevada · Las Vegas · Structure no. G 805R

Built
1999
26 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,576 ft
13 main spans
Daily traffic
26,100
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 Ramp to Spr.M over Uprr/Ramp Sp.M to I 15 is a prestressed concrete continuous box beam or girders - multiple carrying I 15 Ramp to Spr.M over Uprr/Ramp Sp.M 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 26,100 vehicles a day, projected to reach 333,000 by 2040. The structure is 1,576 ft (480.4 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 15 Ramp to Spr.M
CrossesUprr/Ramp Sp.M to I 15
LocationLas Vegas
RouteInterstate 15
CountyClark County
StateNevada
Coordinates36.12244, -115.18024
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 inspectionNovember 2024
Inspection intervalevery 24 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 rating81.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,576 ft (480.4 m)
Longest span220 ft (67 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,100 (2021)
Projected traffic333,000 by 2040
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 Spr.M over Uprr/Ramp Sp.M to I 15 built?

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

What condition is I 15 Ramp to Spr.M over Uprr/Ramp Sp.M 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 November 2024.

How much traffic does I 15 Ramp to Spr.M over Uprr/Ramp Sp.M to I 15 carry?

About 26,100 vehicles per day (2021 count).

How long is I 15 Ramp to Spr.M over Uprr/Ramp Sp.M to I 15?

The structure is 1,576 ft (480.4 m) long with a longest span of 220 ft (67 m) and a deck 43 ft wide.

Who owns I 15 Ramp to Spr.M over Uprr/Ramp Sp.M to I 15?

It is owned by the State Highway Agency.