US Bridges

SR 89 over Wash

Fair

Yavapai County, Arizona · 21.5 MI N JCT SR 71 · Structure no. 04797

Built
1940
85 years old
Condition
Fair
inspected August 2021
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,990
2020 count
Owner
State
State Highway Agency

About this bridge

SR 89 over Wash is a concrete continuous culvert carrying SR 89 over Wash in Yavapai County, Arizona. It was built in 1940, 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 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 1,990 vehicles a day, roughly 7% of them trucks, projected to reach 2,000 by 2040. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 89
CrossesWash
Location21.5 MI N JCT SR 71
RouteState Highway 89
StateArizona
Coordinates34.3754, -112.6614
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2020)
Projected traffic2,000 by 2040
Trucks7%
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

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$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 89 over Wash built?

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

What condition is SR 89 over Wash 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 August 2021.

How much traffic does SR 89 over Wash carry?

About 1,990 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SR 89 over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns SR 89 over Wash?

It is owned by the State Highway Agency.