US Bridges

US 93 over Wash

Good

Mohave County, Arizona · 4.9 MI N JCT SR 68 · Structure no. 04929

Built
1938
87 years old, rebuilt 1994
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
12,748
2018 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 1938 and reconstructed in 1994, so it is 87 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 12,748 vehicles a day, roughly 23% of them trucks, projected to reach 12,758 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 93
CrossesWash
Location4.9 MI N JCT SR 68
RouteU.S. Route 93
StateArizona
Coordinates35.2794, -114.1744
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic12,748 (2018)
Projected traffic12,758 by 2040
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 93 over Wash built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1994.

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 2024.

How much traffic does US 93 over Wash carry?

About 12,748 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is US 93 over Wash?

The structure is 32 ft (9.8 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.