US Bridges

US 93 over Wash

Good

Mohave County, Arizona · 20.31 MI NW JCT SR 68 · Structure no. 06993

Built
1992
33 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
15,661
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 over Wash is a concrete continuous culvert carrying US 93 over Wash in Mohave County, Arizona. It was built in 1992, so it is 33 years old, younger than the Arizona average of 47.8 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 15,661 vehicles a day, roughly 17% of them trucks, projected to reach 15,671 by 2041. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 93
CrossesWash
Location20.31 MI NW JCT SR 68
RouteU.S. Route 93
StateArizona
Coordinates35.4717, -114.3124
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length52 ft (15.8 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 traffic15,661 (2021)
Projected traffic15,671 by 2041
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 93 over Wash built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 93 over 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 2022.

How much traffic does US 93 over Wash carry?

About 15,661 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US 93 over Wash?

The structure is 52 ft (15.8 m) long with a longest span of 10 ft (3 m).

Who owns US 93 over Wash?

It is owned by the State Highway Agency.