US Bridges

Thompson Avenue over Mohave Wash Channel

Good

Mohave County, Arizona · 500 W.N Castle Rock Rd. · Structure no. 10689

Built
1995
30 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete Continuous
Length
288 ft
15 main spans
Daily traffic
3,544
2017 count
Owner
County
County Highway Agency

About this bridge

Thompson Avenue over Mohave Wash Channel is a concrete continuous culvert carrying Thompson Avenue over Mohave Wash Channel in Mohave County, Arizona. It was built in 1995, so it is 30 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 3,544 vehicles a day, roughly 5% of them trucks, projected to reach 3,554 by 2037. The structure is 288 ft (87.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesThompson Avenue
CrossesMohave Wash Channel
Location500 W.N Castle Rock Rd.
RouteCounty Highway 0
CountyMohave County
StateArizona
Coordinates35.2611, -113.995
Functional classUrban Collector

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 inspectionSeptember 2021
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 rating71 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans15
Design loadHS 20
Structure length288 ft (87.8 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 traffic3,544 (2017)
Projected traffic3,554 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Thompson Avenue over Mohave Wash Channel built?

It was built in 1995, making it 30 years old in 2025.

What condition is Thompson Avenue over Mohave Wash Channel 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 September 2021.

How much traffic does Thompson Avenue over Mohave Wash Channel carry?

About 3,544 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Thompson Avenue over Mohave Wash Channel?

The structure is 288 ft (87.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Thompson Avenue over Mohave Wash Channel?

It is owned by the County Highway Agency.