US Bridges

Hemisphere Loop over Rodeo Wash

Good

Pima County, Arizona · 0.3 MI W of Palo Verde RD · Structure no. 10310

Built
1986
39 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,100
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hemisphere Loop over Rodeo Wash is a concrete culvert carrying Hemisphere Loop over Rodeo Wash in Pima County, Arizona. It was built in 1986, so it is 39 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 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,110 by 2040. The structure is 34 ft (10.4 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHemisphere Loop
CrossesRodeo Wash
Location0.3 MI W of Palo Verde RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1388, -110.9228
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width70 ft (21.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2020)
Projected traffic1,110 by 2040
Trucks5%
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 Hemisphere Loop over Rodeo Wash built?

It was built in 1986, making it 39 years old in 2025.

What condition is Hemisphere Loop 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 Hemisphere Loop over Rodeo Wash carry?

About 1,100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hemisphere Loop over Rodeo Wash?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 70 ft wide.

Who owns Hemisphere Loop over Rodeo Wash?

It is owned by the City or Municipal Highway Agency.