US Bridges

Alma School Road over Tempe Canal Wasteway

Good

Maricopa County, Arizona · 1 MI N University · Structure no. 09592

Built
1967
58 years old, rebuilt 1998
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
21,933
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alma School Road over Tempe Canal Wasteway is a concrete continuous culvert carrying Alma School Road over Tempe Canal Wasteway in Maricopa County, Arizona. It was built in 1967 and reconstructed in 1998, so it is 58 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 21,933 vehicles a day, roughly 5% of them trucks, projected to reach 21,943 by 2039. The structure is 32 ft (9.8 m) long and 106 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAlma School Road
CrossesTempe Canal Wasteway
Location1 MI N University
RouteCity Street 0
StateArizona
Coordinates33.4368, -111.8562
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width106 ft (32.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,933 (2019)
Projected traffic21,943 by 2039
Trucks5%
Lanes on structure6
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

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 Alma School Road over Tempe Canal Wasteway built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.

What condition is Alma School Road over Tempe Canal Wasteway 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 July 2023.

How much traffic does Alma School Road over Tempe Canal Wasteway carry?

About 21,933 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Alma School Road over Tempe Canal Wasteway?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 106 ft wide.

Who owns Alma School Road over Tempe Canal Wasteway?

It is owned by the City or Municipal Highway Agency.