US Bridges

203rd Place over Sonoqui Wash

Good

Maricopa County, Arizona · South of Riggs RD · Structure no. 11109

Built
2011
14 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
65 ft
6 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

203rd Place over Sonoqui Wash is a concrete continuous culvert carrying 203rd Place over Sonoqui Wash in Maricopa County, Arizona. It was built in 2011, so it is 14 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 200 vehicles a day, projected to reach 210 by 2042. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries203rd Place
CrossesSonoqui Wash
LocationSouth of Riggs RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.21908, -111.64417
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.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 36 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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length65 ft (19.8 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 traffic200 (2022)
Projected traffic210 by 2042
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 203rd Place over Sonoqui Wash built?

It was built in 2011, making it 14 years old in 2025.

What condition is 203rd Place over Sonoqui 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 January 2023.

How much traffic does 203rd Place over Sonoqui Wash carry?

About 200 vehicles per day (2022 count).

How long is 203rd Place over Sonoqui Wash?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).

Who owns 203rd Place over Sonoqui Wash?

It is owned by the County Highway Agency.