US Bridges

109th Ave over Wash

Good

Maricopa County, Arizona · @ JCT W/Beardsley RD · Structure no. 10893

Built
1985
40 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

109th Ave over Wash is a concrete continuous culvert carrying 109th Ave over Wash in Maricopa County, Arizona. It was built in 1985, so it is 40 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 5% of them trucks, projected to reach 1,010 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries109th Ave
CrossesWash
Location@ JCT W/Beardsley RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.667, -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 inspectionJune 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 rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 (2020)
Projected traffic1,010 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 109th Ave over Wash built?

It was built in 1985, making it 40 years old in 2025.

What condition is 109th Ave over 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 June 2022.

How much traffic does 109th Ave over Wash carry?

About 1,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 109th Ave over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 109th Ave over Wash?

It is owned by the City or Municipal Highway Agency.