US Bridges

SR 89; NB over Wash

Good

Yavapai County, Arizona · 4.2 MI N JCT SR 71 · Structure no. 06485

Built
1971
54 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
831
2019 count
Owner
State
State Highway Agency

About this bridge

SR 89; NB over Wash is a concrete continuous culvert carrying SR 89; NB over Wash in Yavapai County, Arizona. It was built in 1971, so it is 54 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 831 vehicles a day, roughly 7% of them trucks, projected to reach 841 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 89; NB
CrossesWash
Location4.2 MI N JCT SR 71
RouteState Highway 89
CountyYavapai County
StateArizona
Coordinates34.20761, -112.80006
Functional classRural Minor Arterial

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 inspectionAugust 2021
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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 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 traffic831 (2019)
Projected traffic841 by 2039
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SR 89; NB over Wash built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 89; NB 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 2021.

How much traffic does SR 89; NB over Wash carry?

About 831 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR 89; NB over Wash?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns SR 89; NB over Wash?

It is owned by the State Highway Agency.