US Bridges

SR 157 over Dry Wash

Good

Clark County, Nevada · Northwest of Las Vegas · Structure no. B 610

Built
1955
70 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
3,700
2017 count
Owner
State
State Highway Agency

About this bridge

SR 157 over Dry Wash is a concrete culvert carrying SR 157 over Dry Wash in Clark County, Nevada. It was built in 1955, so it is 70 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 3,700 vehicles a day, roughly 3% of them trucks, projected to reach 6,100 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesSR 157
CrossesDry Wash
LocationNorthwest of Las Vegas
RouteState Highway 157
CountyClark County
StateNevada
Coordinates36.27121, -115.54204
Functional classRural Major Collector

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 inspectionNovember 2023
Inspection intervalevery 24 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 rating55.3 US tons
Inventory rating33.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2017)
Projected traffic6,100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

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 SR 157 over Dry Wash built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 157 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 November 2023.

How much traffic does SR 157 over Dry Wash carry?

About 3,700 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is SR 157 over Dry Wash?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 157 over Dry Wash?

It is owned by the State Highway Agency.