US Bridges

Marble Canyon DR over Wash

Good

Mohave County, Arizona · 16.8 MI N of Needles Br · Structure no. 07068

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
600
2016 count
Owner
State
State Highway Agency

About this bridge

Marble Canyon DR over Wash is a concrete continuous culvert carrying Marble Canyon DR over Wash in Mohave County, Arizona. It was built in 1999, so it is 26 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 610 by 2036. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarble Canyon DR
CrossesWash
Location16.8 MI N of Needles Br
RouteState Highway 95
StateArizona
Coordinates35.08603, -114.59764
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 rating75 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2016)
Projected traffic610 by 2036
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Marble Canyon DR over Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Marble Canyon DR 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 March 2024.

How much traffic does Marble Canyon DR over Wash carry?

About 600 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Marble Canyon DR over Wash?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Marble Canyon DR over Wash?

It is owned by the State Highway Agency.