US Bridges

I 19 over Wash

Fair

Pima County, Arizona · 1.9 MI S JCT B 19 · Structure no. 05781

Built
1969
56 years old
Condition
Fair
inspected April 2021
Type
Culvert
Concrete Continuous
Length
66 ft
6 main spans
Daily traffic
34,688
2019 count
Owner
State
State Highway Agency

About this bridge

I 19 over Wash is a concrete continuous culvert carrying I 19 over Wash in Pima County, Arizona. It was built in 1969, so it is 56 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 34,688 vehicles a day, roughly 30% of them trucks, projected to reach 34,698 by 2039. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 19
CrossesWash
Location1.9 MI S JCT B 19
RouteInterstate 19
StateArizona
Coordinates31.8781, -110.9892
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans6
Design loadHS 20
Structure length66 ft (20.1 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 traffic34,688 (2019)
Projected traffic34,698 by 2039
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 19 over Wash built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 19 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 April 2021.

How much traffic does I 19 over Wash carry?

About 34,688 vehicles per day (2019 count), of which roughly 30% are trucks.

How long is I 19 over Wash?

The structure is 66 ft (20.1 m) long with a longest span of 10 ft (3 m).

Who owns I 19 over Wash?

It is owned by the State Highway Agency.