US Bridges

SR 68 over Unnamed Wash

Good

Mohave County, Arizona · 4.66 MI W JCT US 93 · Structure no. 06862

Built
1990
35 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
79 ft
6 main spans
Daily traffic
15,678
2022 count
Owner
State
State Highway Agency

About this bridge

SR 68 over Unnamed Wash is a concrete continuous culvert carrying SR 68 over Unnamed Wash in Mohave County, Arizona. It was built in 1990, so it is 35 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 15,678 vehicles a day, roughly 5% of them trucks, projected to reach 15,688 by 2042. The structure is 79 ft (24.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 68
CrossesUnnamed Wash
Location4.66 MI W JCT US 93
RouteState Highway 68
CountyMohave County
StateArizona
Coordinates35.2215, -114.20533
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 rating56 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length79 ft (24.1 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 traffic15,678 (2022)
Projected traffic15,688 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 SR 68 over Unnamed Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 68 over Unnamed 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 April 2024.

How much traffic does SR 68 over Unnamed Wash carry?

About 15,678 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SR 68 over Unnamed Wash?

The structure is 79 ft (24.1 m) long with a longest span of 10 ft (3 m).

Who owns SR 68 over Unnamed Wash?

It is owned by the State Highway Agency.