US Bridges

I 17 S 89A over Wash

Good

Coconino County, Arizona · 2.2 MI S JCT I-40 · Structure no. 05766

Built
1940
85 years old, rebuilt 1981
Condition
Good
inspected August 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
33,483
2017 count
Owner
State
State Highway Agency

About this bridge

I 17 S 89A over Wash is a concrete continuous culvert carrying I 17 S 89A over Wash in Coconino County, Arizona. It was built in 1940 and reconstructed in 1981, so it is 85 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 33,483 vehicles a day, roughly 24% of them trucks, projected to reach 33,493 by 2037. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 17 S 89A
CrossesWash
Location2.2 MI S JCT I-40
RouteInterstate 17
CountyCoconino County
StateArizona
Coordinates35.1458, -111.6833
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2022
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 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 width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,483 (2017)
Projected traffic33,493 by 2037
Trucks24%
Lanes on structure8
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 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 17 S 89A over Wash built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1981.

What condition is I 17 S 89A 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 August 2022.

How much traffic does I 17 S 89A over Wash carry?

About 33,483 vehicles per day (2017 count), of which roughly 24% are trucks.

How long is I 17 S 89A over Wash?

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

Who owns I 17 S 89A over Wash?

It is owned by the State Highway Agency.