US Bridges

7th Avenue over Scatter Wash

Fair

Maricopa County, Arizona · 0.01 MI S of Pinnacle Pea · Structure no. 11421

Built
2011
14 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

7th Avenue over Scatter Wash is a concrete culvert carrying 7th Avenue over Scatter 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 210 by 2040. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries7th Avenue
CrossesScatter Wash
Location0.01 MI S of Pinnacle Pea
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6978, -112.0831
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 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 traffic200 (2020)
Projected traffic210 by 2040
Trucks10%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 7th Avenue over Scatter Wash built?

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

What condition is 7th Avenue over Scatter Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.

How much traffic does 7th Avenue over Scatter Wash carry?

About 200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 7th Avenue over Scatter Wash?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns 7th Avenue over Scatter Wash?

It is owned by the City or Municipal Highway Agency.