US Bridges

US 93 over Antelope Wash

Good

Mohave County, Arizona · 12.6 MI S JCT I-40 · Structure no. 02932

Built
2015
10 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
299 ft
3 main spans
Daily traffic
4,899
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 over Antelope Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying US 93 over Antelope Wash in Mohave County, Arizona. It was built in 2015, so it is 10 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 4,899 vehicles a day, roughly 23% of them trucks, projected to reach 4,909 by 2041. The structure is 299 ft (91.1 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93
CrossesAntelope Wash
Location12.6 MI S JCT I-40
RouteU.S. Route 93
StateArizona
Coordinates35.0094, -113.6642
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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length299 ft (91.1 m)
Longest span99 ft (30.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic4,899 (2021)
Projected traffic4,909 by 2041
Trucks23%
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 Antelope Wash built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 93 over Antelope 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 Antelope Wash carry?

About 4,899 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is US 93 over Antelope Wash?

The structure is 299 ft (91.1 m) long with a longest span of 99 ft (30.2 m) and a deck 45 ft wide.

Who owns US 93 over Antelope Wash?

It is owned by the State Highway Agency.