US Bridges

Long Canyon RD over Long Canyon Wash

Good

Yavapai County, Arizona · 0.7 MI N Boyton Pass RD · Structure no. 10721

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
800
2021 count
Owner
County
County Highway Agency

About this bridge

Long Canyon RD over Long Canyon Wash is a concrete continuous culvert carrying Long Canyon RD over Long Canyon Wash in Yavapai 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 810 by 2041. The structure is 37 ft (11.3 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLong Canyon RD
CrossesLong Canyon Wash
Location0.7 MI N Boyton Pass RD
RouteCounty Highway 0
StateArizona
Coordinates34.9067, -111.8242
Functional classRural Minor 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 inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2021)
Projected traffic810 by 2041
Trucks5%
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 Long Canyon RD over Long Canyon Wash built?

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

What condition is Long Canyon RD over Long Canyon 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 August 2023.

How much traffic does Long Canyon RD over Long Canyon Wash carry?

About 800 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Long Canyon RD over Long Canyon Wash?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns Long Canyon RD over Long Canyon Wash?

It is owned by the County Highway Agency.