US Bridges

Colonade Lane over Wash

Good

Mohave County, Arizona · 200 Ft E JCT Gateway DR · Structure no. 11102

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
55 ft
8 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Colonade Lane over Wash is a steel culvert carrying Colonade Lane over Wash in Mohave County, Arizona. It was built in 2008, so it is 17 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 20 by 2042. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesColonade Lane
CrossesWash
Location200 Ft E JCT Gateway DR
RouteCounty Highway 0
CountyMohave County
StateArizona
Coordinates34.7266, -114.3085
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic20 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Colonade Lane over Wash built?

It was built in 2008, making it 17 years old in 2025.

What condition is Colonade Lane 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 September 2023.

How much traffic does Colonade Lane over Wash carry?

About 10 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Colonade Lane over Wash?

The structure is 55 ft (16.8 m) long with a longest span of 5 ft (1.5 m).

Who owns Colonade Lane over Wash?

It is owned by the County Highway Agency.