US Bridges

Off Ramp I-15 over Dry Wash

Good

Clark County, Nevada · Las Vegas · Structure no. B2018

Built
1995
30 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
7,750
2021 count
Owner
State
State Highway Agency

About this bridge

Off Ramp I-15 over Dry Wash is a concrete culvert carrying Off Ramp I-15 over Dry Wash in Clark County, Nevada. It was built in 1995, so it is 30 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 7,750 vehicles a day, roughly 1% of them trucks, projected to reach 13,029 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesOff Ramp I-15
CrossesDry Wash
LocationLas Vegas
RouteState Highway 15
CountyClark County
StateNevada
Coordinates36.14472, -115.17167
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating52.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,750 (2021)
Projected traffic13,029 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Ramp I-15 over Dry Wash built?

It was built in 1995, making it 30 years old in 2025.

What condition is Off Ramp I-15 over Dry Wash 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 Off Ramp I-15 over Dry Wash carry?

About 7,750 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Off Ramp I-15 over Dry Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Off Ramp I-15 over Dry Wash?

It is owned by the State Highway Agency.