US Bridges

US 93 over Devils Wash

Good

Mohave County, Arizona · 59.1 MI N of JCT SR 68 · Structure no. 00947

Built
1966
59 years old, rebuilt 2010
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
3 main spans
Daily traffic
8,855
2022 count
Owner
State
State Highway Agency

About this bridge

US 93 over Devils Wash is a prestressed concrete stringer/multi-beam or girder carrying US 93 over Devils Wash in Mohave County, Arizona. It was built in 1966 and reconstructed in 2010, so it is 59 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 8,855 vehicles a day, roughly 28% of them trucks, projected to reach 8,865 by 2042. The structure is 169 ft (51.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93
CrossesDevils Wash
Location59.1 MI N of JCT SR 68
RouteU.S. Route 93
StateArizona
Coordinates35.947, -114.646
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span56 ft (17.1 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,855 (2022)
Projected traffic8,865 by 2042
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Devils Wash built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is US 93 over Devils 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 2023.

How much traffic does US 93 over Devils Wash carry?

About 8,855 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 93 over Devils Wash?

The structure is 169 ft (51.5 m) long with a longest span of 56 ft (17.1 m) and a deck 45 ft wide.

Who owns US 93 over Devils Wash?

It is owned by the State Highway Agency.