US Bridges

Tumbleweed Road over Santa Rosa Canal

Good

Pinal County, Arizona · 0.3 MI S JCT Houser RD · Structure no. 08957

Built
1987
38 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
510
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tumbleweed Road over Santa Rosa Canal is a prestressed concrete stringer/multi-beam or girder carrying Tumbleweed Road over Santa Rosa Canal in Pinal County, Arizona. It was built in 1987, so it is 38 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 510 vehicles a day, roughly 5% of them trucks, projected to reach 520 by 2042. The structure is 72 ft (21.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTumbleweed Road
CrossesSanta Rosa Canal
Location0.3 MI S JCT Houser RD
RouteCity Street 0
CountyPinal County
StateArizona
Coordinates32.7737, -111.585
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic520 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Tumbleweed Road over Santa Rosa Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is Tumbleweed Road over Santa Rosa Canal 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 March 2024.

How much traffic does Tumbleweed Road over Santa Rosa Canal carry?

About 510 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Tumbleweed Road over Santa Rosa Canal?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns Tumbleweed Road over Santa Rosa Canal?

It is owned by the City or Municipal Highway Agency.