US Bridges

Interstate 19 over Unnamed Wash

Good

Pima County, Arizona · 0.5MI S of I-10 Ti · Structure no. 07080

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
56 ft
4 main spans
Daily traffic
102,551
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 19 over Unnamed Wash is a concrete continuous culvert carrying Interstate 19 over Unnamed Wash in Pima County, Arizona. It was built in 2004, so it is 21 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 102,551 vehicles a day, roughly 11% of them trucks, projected to reach 102,561 by 2042. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 19
CrossesUnnamed Wash
Location0.5MI S of I-10 Ti
RouteInterstate 19
StateArizona
Coordinates32.18781, -110.98275
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.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 spans4
Design loadHS 20
Structure length56 ft (17.1 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 traffic102,551 (2022)
Projected traffic102,561 by 2042
Trucks11%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 19 over Unnamed Wash built?

It was built in 2004, making it 21 years old in 2025.

What condition is Interstate 19 over Unnamed 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 February 2024.

How much traffic does Interstate 19 over Unnamed Wash carry?

About 102,551 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Interstate 19 over Unnamed Wash?

The structure is 56 ft (17.1 m) long with a longest span of 10 ft (3 m).

Who owns Interstate 19 over Unnamed Wash?

It is owned by the State Highway Agency.