US Bridges

US 93 NB over Bismark Canyon Wash

Fair

Mohave County, Arizona · 7.9 MI N of JCT SR 68 · Structure no. 02363

Built
1994
31 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
167 ft
5 main spans
Daily traffic
7,884
2022 count
Owner
State
State Highway Agency

About this bridge

US 93 NB over Bismark Canyon Wash is a concrete continuous slab carrying US 93 NB over Bismark Canyon Wash in Mohave County, Arizona. It was built in 1994, so it is 31 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,884 vehicles a day, roughly 13% of them trucks, projected to reach 7,894 by 2042. The structure is 167 ft (50.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93 NB
CrossesBismark Canyon Wash
Location7.9 MI N of JCT SR 68
RouteU.S. Route 93
StateArizona
Coordinates35.3165, -114.201
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating99 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,884 (2022)
Projected traffic7,894 by 2042
Trucks13%
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 NB over Bismark Canyon Wash built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 93 NB over Bismark Canyon Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does US 93 NB over Bismark Canyon Wash carry?

About 7,884 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 93 NB over Bismark Canyon Wash?

The structure is 167 ft (50.9 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns US 93 NB over Bismark Canyon Wash?

It is owned by the State Highway Agency.