US Bridges

11th Avenue over Scatter Wash

Good

Maricopa County, Arizona · 0.01 MI S of Pinnacle Pea · Structure no. 11420

Built
2006
19 years old
Condition
Good
inspected December 2020
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

11th Avenue over Scatter Wash is a concrete culvert carrying 11th Avenue over Scatter Wash in Maricopa County, Arizona. It was built in 2006, so it is 19 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, roughly 5% of them trucks, projected to reach 210 by 2040. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries11th Avenue
CrossesScatter Wash
Location0.01 MI S of Pinnacle Pea
RouteCity Street 0
StateArizona
Coordinates33.698, -112.0875
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 inspectionDecember 2020
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 alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
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 traffic200 (2020)
Projected traffic210 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 11th Avenue over Scatter Wash built?

It was built in 2006, making it 19 years old in 2025.

What condition is 11th Avenue over Scatter 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 December 2020.

How much traffic does 11th Avenue over Scatter Wash carry?

About 200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 11th Avenue over Scatter Wash?

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

Who owns 11th Avenue over Scatter Wash?

It is owned by the City or Municipal Highway Agency.