US Bridges

I 515 US95 US93 over Drainage

Good

Clark County, Nevada · Las Vegas · Structure no. B1771

Built
1986
39 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
152,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 515 US95 US93 over Drainage is a concrete culvert carrying I 515 US95 US93 over Drainage in Clark County, Nevada. It was built in 1986, so it is 39 years old, older 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 152,000 vehicles a day, roughly 5% of them trucks, projected to reach 287,468 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 515 US95 US93
CrossesDrainage
LocationLas Vegas
RouteInterstate 515
StateNevada
Coordinates36.15564, -115.09167
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 inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152,000 (2021)
Projected traffic287,468 by 2040
Trucks5%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I 515 US95 US93 over Drainage built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 515 US95 US93 over Drainage 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 December 2021.

How much traffic does I 515 US95 US93 over Drainage carry?

About 152,000 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is I 515 US95 US93 over Drainage?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns I 515 US95 US93 over Drainage?

It is owned by the State Highway Agency.