US Bridges

LA Canada Drive over Carmack Wash

Fair

Pima County, Arizona · 100 N of Emerine RD · Structure no. 11434

Built
2010
15 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
162 ft
7 main spans
Daily traffic
28,790
2022 count
Owner
County
County Highway Agency

About this bridge

LA Canada Drive over Carmack Wash is a concrete continuous culvert carrying LA Canada Drive over Carmack Wash in Pima County, Arizona. It was built in 2010, so it is 15 years old, younger 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 28,790 vehicles a day, roughly 5% of them trucks, projected to reach 28,800 by 2042. The structure is 162 ft (49.4 m) long and 124 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA Canada Drive
CrossesCarmack Wash
Location100 N of Emerine RD
RouteCounty Highway 0
StateArizona
Coordinates32.35609, -110.99575
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans7
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span10 ft (3 m)
Deck width124 ft (37.8 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,790 (2022)
Projected traffic28,800 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 LA Canada Drive over Carmack Wash built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA Canada Drive over Carmack 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 March 2024.

How much traffic does LA Canada Drive over Carmack Wash carry?

About 28,790 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is LA Canada Drive over Carmack Wash?

The structure is 162 ft (49.4 m) long with a longest span of 10 ft (3 m) and a deck 124 ft wide.

Who owns LA Canada Drive over Carmack Wash?

It is owned by the County Highway Agency.