US 93 SB over Wash

Good

Mohave County, Arizona · 2.5 MI NW JCT SR 68 · Structure no. 00636

Built: 1961; 64 years old
Condition: Good; inspected October 2023
Type: Slab; Concrete Continuous
Length: 81 ft; 3 main spans
Daily traffic: 7,785; 2022 count
Owner: State; State Highway Agency

About this bridge

US 93 SB over Wash is a concrete continuous slab carrying US 93 SB over Wash in Mohave County, Arizona. It was built in 1961, so it is 64 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 7,785 vehicles a day, roughly 11% of them trucks, projected to reach 7,795 by 2042. The structure is 81 ft (24.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 93 SB

CrossesWash

Location2.5 MI NW JCT SR 68

RouteU.S. Route 93

CountyMohave County

StateArizona

Coordinates35.2483, -114.1519

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating41 US tons

Inventory rating25 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length81 ft (24.7 m)

Longest span30 ft (9.1 m)

Deck width45 ft (13.8 m)

Roadway width40 ft (12.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,785 (2022)

Projected traffic7,795 by 2042

Trucks11%

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 SB over Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 93 SB 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 October 2023.

How much traffic does US 93 SB over Wash carry?

About 7,785 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US 93 SB over Wash?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns US 93 SB over Wash?

It is owned by the State Highway Agency.