US Bridges

US 93 over Wash

Good

Mohave County, Arizona · 33.0 MI S JCT W/ I 40 · Structure no. 04968

Built
1962
63 years old, rebuilt 2004
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
8,527
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 1962 and reconstructed in 2004, so it is 63 years old, older 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 8,527 vehicles a day, roughly 19% of them trucks, projected to reach 8,537 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 93
CrossesWash
Location33.0 MI S JCT W/ I 40
RouteU.S. Route 93
StateArizona
Coordinates34.6977, -113.6086
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 inspectionApril 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 rating67 US tons
Inventory rating40 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 traffic8,527 (2021)
Projected traffic8,537 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 1962, making it 63 years old in 2025. It was reconstructed in 2004.

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 April 2021.

How much traffic does US 93 over Wash carry?

About 8,527 vehicles per day (2021 count), of which roughly 19% 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.