US Bridges

I-17 over Scatter Wash North

Good

Maricopa County, Arizona · 7.3 M South of SR 74 · Structure no. 07235

Built
2009
16 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
40 ft
4 main spans
Daily traffic
135,704
2016 count
Owner
State
State Highway Agency

About this bridge

I-17 over Scatter Wash North is a concrete continuous culvert carrying I-17 over Scatter Wash North in Maricopa County, Arizona. It was built in 2009, so it is 16 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 135,704 vehicles a day, roughly 10% of them trucks, projected to reach 135,714 by 2033. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesI-17
CrossesScatter Wash North
Location7.3 M South of SR 74
RouteInterstate 17
CountyMaricopa County
StateArizona
Functional classUrban Principal Arterial - Interstate

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 inspectionApril 2022
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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135,704 (2016)
Projected traffic135,714 by 2033
Trucks10%
Lanes on structure17
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-17 over Scatter Wash North built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-17 over Scatter Wash North 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 April 2022.

How much traffic does I-17 over Scatter Wash North carry?

About 135,704 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I-17 over Scatter Wash North?

The structure is 40 ft (12.2 m) long with a longest span of 8 ft (2.4 m).

Who owns I-17 over Scatter Wash North?

It is owned by the State Highway Agency.