US Bridges

SR 189 over Wash

Good

Santa Cruz County, Arizona · 2.9 MI W JCT I-19 · Structure no. 06576

Built
1975
50 years old, rebuilt 2011
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
9,906
2024 count
Owner
State
State Highway Agency

About this bridge

SR 189 over Wash is a steel culvert carrying SR 189 over Wash in Santa Cruz County, Arizona. It was built in 1975 and reconstructed in 2011, so it is 50 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 9,906 vehicles a day, roughly 9% of them trucks, projected to reach 9,916 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 189
CrossesWash
Location2.9 MI W JCT I-19
RouteState Highway 189
StateArizona
Coordinates31.3331, -110.9661
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 protection7 GoodSome minor problems.
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
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,906 (2024)
Projected traffic9,916 by 2042
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1975, making it 50 years old in 2025. It was reconstructed in 2011.

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 9,906 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 189 over Wash?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns SR 189 over Wash?

It is owned by the State Highway Agency.