US Bridges

L101 + S&n Frtg RD over Scatter Wash

Good

Maricopa County, Arizona · 1.56 MI W JCT I-17 · Structure no. 06870

Built
1992
33 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
126 ft
10 main spans
Daily traffic
7,936
2020 count
Owner
State
State Highway Agency

About this bridge

L101 + S&n Frtg RD over Scatter Wash is a concrete continuous culvert carrying L101 + S&n Frtg RD over Scatter Wash in Maricopa County, Arizona. It was built in 1992, so it is 33 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 7,936 vehicles a day, roughly 6% of them trucks, projected to reach 7,946 by 2040. The structure is 126 ft (38.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesL101 + S&n Frtg RD
CrossesScatter Wash
Location1.56 MI W JCT I-17
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.67222, -112.14444
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
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 rating57 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans10
Design loadHS 20
Structure length126 ft (38.4 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 traffic7,936 (2020)
Projected traffic7,946 by 2040
Trucks6%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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$6,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was L101 + S&n Frtg RD over Scatter Wash built?

It was built in 1992, making it 33 years old in 2025.

What condition is L101 + S&n Frtg RD 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 May 2021.

How much traffic does L101 + S&n Frtg RD over Scatter Wash carry?

About 7,936 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is L101 + S&n Frtg RD over Scatter Wash?

The structure is 126 ft (38.4 m) long with a longest span of 10 ft (3 m).

Who owns L101 + S&n Frtg RD over Scatter Wash?

It is owned by the State Highway Agency.