US Bridges

101L over Wash

Good

Maricopa County, Arizona · 3.7 MI W JCT I-17 · Structure no. 06868

Built
1992
33 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
67 ft
6 main spans
Daily traffic
161,029
2019 count
Owner
State
State Highway Agency

About this bridge

101L over Wash is a concrete continuous culvert carrying 101L over 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 161,029 vehicles a day, roughly 6% of them trucks, projected to reach 209,583 by 2040. The structure is 67 ft (20.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

Carries101L
CrossesWash
Location3.7 MI W JCT I-17
RouteState Highway 101
CountyMaricopa County
StateArizona
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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length67 ft (20.4 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 traffic161,029 (2019)
Projected traffic209,583 by 2040
Trucks6%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$3,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 101L over Wash built?

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

What condition is 101L over 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 101L over Wash carry?

About 161,029 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is 101L over Wash?

The structure is 67 ft (20.4 m) long with a longest span of 10 ft (3 m).

Who owns 101L over Wash?

It is owned by the State Highway Agency.