US Bridges

Michigan Ave over Rodeo Wash

Good

Pima County, Arizona · Interstn of Liberty Ave · Structure no. 10334

Built
1970
55 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
72 ft
4 main spans
Daily traffic
835
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Michigan Ave over Rodeo Wash is a concrete continuous culvert carrying Michigan Ave over Rodeo Wash in Pima County, Arizona. It was built in 1970, so it is 55 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 835 vehicles a day, roughly 1% of them trucks, projected to reach 845 by 2040. The structure is 72 ft (21.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMichigan Ave
CrossesRodeo Wash
LocationInterstn of Liberty Ave
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1705, -110.9737
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2020)
Projected traffic845 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Michigan Ave over Rodeo Wash built?

It was built in 1970, making it 55 years old in 2025.

What condition is Michigan Ave over Rodeo 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 May 2021.

How much traffic does Michigan Ave over Rodeo Wash carry?

About 835 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Michigan Ave over Rodeo Wash?

The structure is 72 ft (21.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Michigan Ave over Rodeo Wash?

It is owned by the City or Municipal Highway Agency.