US Bridges

I 19 over Wash

Good

Pima County, Arizona · 31.7 MI N JCT SR 289 · Structure no. 06603

Built
1976
49 years old
Condition
Good
inspected April 2021
Type
Culvert
Steel
Length
40 ft
5 main spans
Daily traffic
31,297
2019 count
Owner
State
State Highway Agency

About this bridge

I 19 over Wash is a steel culvert carrying I 19 over Wash in Pima County, Arizona. It was built in 1976, 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 31,297 vehicles a day, roughly 14% of them trucks, projected to reach 31,307 by 2039. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

No coordinates are recorded for this structure.

CarriesI 19
CrossesWash
Location31.7 MI N JCT SR 289
RouteInterstate 19
CountyPima County
StateArizona
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,297 (2019)
Projected traffic31,307 by 2039
Trucks14%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 19 over Wash built?

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

What condition is I 19 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 April 2021.

How much traffic does I 19 over Wash carry?

About 31,297 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is I 19 over Wash?

The structure is 40 ft (12.2 m) long with a longest span of 5 ft (1.5 m).

Who owns I 19 over Wash?

It is owned by the State Highway Agency.