US Bridges

US 93 over Wash

Good

Mohave County, Arizona · 38.3 MI N JCT of SR 71 · Structure no. 07209

Built
1999
26 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,573
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 1999, so it is 26 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 3,573 vehicles a day, roughly 21% of them trucks, projected to reach 3,583 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 67.7 mi (109 km).

CarriesUS 93
CrossesWash
Location38.3 MI N JCT of SR 71
RouteU.S. Route 93
StateArizona
Coordinates34.49836, -113.39667
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 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 traffic3,573 (2021)
Projected traffic3,583 by 2041
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 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 US 93 over Wash built?

It was built in 1999, making it 26 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 December 2022.

How much traffic does US 93 over Wash carry?

About 3,573 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is US 93 over Wash?

The structure is 21 ft (6.4 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.