US Bridges

21000 N 109th Ave over Drainage Wash

Good

Maricopa County, Arizona · @ JCT W/ Rose Garden LN · Structure no. 11004

Built
2008
17 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
1,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

21000 N 109th Ave over Drainage Wash is a concrete continuous culvert carrying 21000 N 109th Ave over Drainage Wash in Maricopa County, Arizona. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,010 by 2038. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries21000 N 109th Ave
CrossesDrainage Wash
Location@ JCT W/ Rose Garden LN
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6747, -112.2943
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,010 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 21000 N 109th Ave over Drainage Wash built?

It was built in 2008, making it 17 years old in 2025.

What condition is 21000 N 109th Ave over Drainage 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 2022.

How much traffic does 21000 N 109th Ave over Drainage Wash carry?

About 1,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is 21000 N 109th Ave over Drainage Wash?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns 21000 N 109th Ave over Drainage Wash?

It is owned by the City or Municipal Highway Agency.