US Bridges

33rd Avenue over Drainage Canal

Good

Maricopa County, Arizona · 86 Ft N of Frontage RD · Structure no. 06977

Built
1992
33 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
1,210
2020 count
Owner
State
State Highway Agency

About this bridge

33rd Avenue over Drainage Canal is a concrete continuous culvert carrying 33rd Avenue over Drainage Canal in Maricopa County, Arizona. It was built in 1992, so it is 33 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 1,210 vehicles a day, roughly 2% of them trucks, projected to reach 1,220 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

Carries33rd Avenue
CrossesDrainage Canal
Location86 Ft N of Frontage RD
RouteState Highway 101
StateArizona
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2020)
Projected traffic1,220 by 2040
Trucks2%
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

OwnerState Highway Agency
Maintained byState 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 33rd Avenue over Drainage Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is 33rd Avenue over Drainage 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 May 2021.

How much traffic does 33rd Avenue over Drainage Canal carry?

About 1,210 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is 33rd Avenue over Drainage Canal?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns 33rd Avenue over Drainage Canal?

It is owned by the State Highway Agency.