US Bridges

I 15S over SR610 Lamb Blvd

Good

Clark County, Nevada · North Las Vegas · Structure no. I 959S

Built
2005
20 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
233 ft
1 main span
Daily traffic
24,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 15S over SR610 Lamb Blvd is a prestressed concrete box beam or girders - multiple carrying I 15S over SR610 Lamb Blvd in Clark County, Nevada. It was built in 2005, so it is 20 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 24,000 vehicles a day, roughly 10% of them trucks, projected to reach 49,635 by 2040. The structure is 233 ft (71.1 m) long and 63 ft wide.

CarriesI 15S
CrossesSR610 Lamb Blvd
LocationNorth Las Vegas
RouteInterstate 15
StateNevada
Coordinates36.25849, -115.07982
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length233 ft (71.1 m)
Longest span228 ft (69.5 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2021)
Projected traffic49,635 by 2040
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 15S over SR610 Lamb Blvd built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 15S over SR610 Lamb 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 March 2024.

How much traffic does I 15S over SR610 Lamb Blvd carry?

About 24,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I 15S over SR610 Lamb Blvd?

The structure is 233 ft (71.1 m) long with a longest span of 228 ft (69.5 m) and a deck 63 ft wide.

Who owns I 15S over SR610 Lamb Blvd?

It is owned by the State Highway Agency.