US Bridges

Conestoga Wy over Dry Wash

Good

Clark County, Nevada · Henderson · Structure no. B1911

Built
1993
32 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
633
2017 count
Owner
State
State Highway Agency

About this bridge

Conestoga Wy over Dry Wash is a concrete culvert carrying Conestoga Wy over Dry Wash in Clark County, Nevada. It was built in 1993, so it is 32 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 633 vehicles a day, roughly 5% of them trucks, projected to reach 1,309 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConestoga Wy
CrossesDry Wash
LocationHenderson
RouteCity Street 0
StateNevada
Coordinates35.99418, -114.93511
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 rating70.9 US tons
Inventory rating42.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic633 (2017)
Projected traffic1,309 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 Conestoga Wy over Dry Wash built?

It was built in 1993, making it 32 years old in 2025.

What condition is Conestoga Wy 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 2021.

How much traffic does Conestoga Wy over Dry Wash carry?

About 633 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Conestoga Wy over Dry Wash?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns Conestoga Wy over Dry Wash?

It is owned by the State Highway Agency.