US Bridges

US 93 over Dry Wash

Good

Clark County, Nevada · South of Alamo · Structure no. B1136

Built
1965
60 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,350
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 over Dry Wash is a concrete culvert carrying US 93 over Dry Wash in Clark County, Nevada. It was built in 1965, so it is 60 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 2,350 vehicles a day, roughly 29% of them trucks, projected to reach 3,000 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 77.1 mi (124 km).

CarriesUS 93
CrossesDry Wash
LocationSouth of Alamo
RouteU.S. Route 93
StateNevada
Coordinates36.94215, -114.97166
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
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 traffic2,350 (2021)
Projected traffic3,000 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemYes

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 US 93 over Dry Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 93 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 October 2024.

How much traffic does US 93 over Dry Wash carry?

About 2,350 vehicles per day (2021 count), of which roughly 29% are trucks.

How long is US 93 over Dry Wash?

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

Who owns US 93 over Dry Wash?

It is owned by the State Highway Agency.