US Bridges

I 40 over Youngs Canyon

Fair

Coconino County, Arizona · 17.7 MI E JCT I 17 · Structure no. 05924

Built
1953
72 years old, rebuilt 1987
Condition
Fair
inspected May 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
21,800
2020 count
Owner
State
State Highway Agency

About this bridge

I 40 over Youngs Canyon is a concrete continuous culvert carrying I 40 over Youngs Canyon in Coconino County, Arizona. It was built in 1953 and reconstructed in 1987, so it is 72 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,800 vehicles a day, roughly 48% of them trucks, projected to reach 21,810 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 40
CrossesYoungs Canyon
Location17.7 MI E JCT I 17
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.1892, -111.3761
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic21,800 (2020)
Projected traffic21,810 by 2040
Trucks48%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 40 over Youngs Canyon built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1987.

What condition is I 40 over Youngs Canyon in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2022.

How much traffic does I 40 over Youngs Canyon carry?

About 21,800 vehicles per day (2020 count), of which roughly 48% are trucks.

How long is I 40 over Youngs Canyon?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns I 40 over Youngs Canyon?

It is owned by the State Highway Agency.