US Bridges

I 17 over Wash

Good

Yavapai County, Arizona · 0.4 MI S JCT SR 179 · Structure no. 05759

Built
1961
64 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
27,607
2021 count
Owner
State
State Highway Agency

About this bridge

I 17 over Wash is a concrete continuous culvert carrying I 17 over Wash in Yavapai County, Arizona. It was built in 1961, so it is 64 years old, older 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 27,607 vehicles a day, roughly 6% of them trucks, projected to reach 27,617 by 2041. The structure is 21 ft (6.4 m) long and 175 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 17
CrossesWash
Location0.4 MI S JCT SR 179
RouteInterstate 17
CountyYavapai County
StateArizona
Coordinates34.6863, -111.7449
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
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
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width175 ft (53.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,607 (2021)
Projected traffic27,617 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 17 over Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 17 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 2022.

How much traffic does I 17 over Wash carry?

About 27,607 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I 17 over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 175 ft wide.

Who owns I 17 over Wash?

It is owned by the State Highway Agency.