US Bridges

SR 189 over Wash

Good

Santa Cruz County, Arizona · 0.87 MI W of JCT I 19 · Structure no. 06973

Built
1976
49 years old, rebuilt 1996
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
13,486
2024 count
Owner
State
State Highway Agency

About this bridge

SR 189 over Wash is a concrete continuous culvert carrying SR 189 over Wash in Santa Cruz County, Arizona. It was built in 1976 and reconstructed in 1996, so it is 49 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 13,486 vehicles a day, roughly 9% of them trucks, projected to reach 13,496 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 189
CrossesWash
Location0.87 MI W of JCT I 19
RouteState Highway 189
StateArizona
Coordinates31.36111, -110.95556
Functional classUrban Other Principal 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 inspectionMay 2024
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 length25 ft (7.6 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 traffic13,486 (2024)
Projected traffic13,496 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 189 over Wash built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1996.

What condition is SR 189 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 May 2024.

How much traffic does SR 189 over Wash carry?

About 13,486 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 189 over Wash?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns SR 189 over Wash?

It is owned by the State Highway Agency.