US Bridges

LA Cholla Blvd over Carmack Wash

Fair

Pima County, Arizona · 50 S Magee RD · Structure no. 11436

Built
2013
12 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
83 ft
4 main spans
Daily traffic
20,772
2022 count
Owner
County
County Highway Agency

About this bridge

LA Cholla Blvd over Carmack Wash is a concrete continuous culvert carrying LA Cholla Blvd over Carmack Wash in Pima County, Arizona. It was built in 2013, so it is 12 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 20,772 vehicles a day, roughly 5% of them trucks, projected to reach 20,782 by 2042. The structure is 83 ft (25.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA Cholla Blvd
CrossesCarmack Wash
Location50 S Magee RD
RouteCounty Highway 0
StateArizona
Coordinates32.34749, -111.01275
Functional classUrban Other Principal 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,772 (2022)
Projected traffic20,782 by 2042
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Cholla Blvd over Carmack Wash built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA Cholla Blvd 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 Cholla Blvd over Carmack Wash carry?

About 20,772 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is LA Cholla Blvd over Carmack Wash?

The structure is 83 ft (25.3 m) long with a longest span of 20 ft (6.1 m).

Who owns LA Cholla Blvd over Carmack Wash?

It is owned by the County Highway Agency.