US Bridges

I 10; EB & WB over Wash

Good

Maricopa County, Arizona · EB Off Ramp to Elliot RD · Structure no. 05414

Built
1965
60 years old, rebuilt 1972
Condition
Good
inspected March 2021
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
116,828
2019 count
Owner
State
State Highway Agency

About this bridge

I 10; EB & WB over Wash is a concrete continuous culvert carrying I 10; EB & WB over Wash in Maricopa County, Arizona. It was built in 1965 and reconstructed in 1972, so it is 60 years old, older 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 116,828 vehicles a day, roughly 9% of them trucks, projected to reach 116,838 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 10; EB & WB
CrossesWash
LocationEB Off Ramp to Elliot RD
RouteInterstate 10
CountyMaricopa County
StateArizona
Coordinates33.3499, -111.9728
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 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 traffic116,828 (2019)
Projected traffic116,838 by 2039
Trucks9%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 10; EB & WB over Wash built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1972.

What condition is I 10; EB & WB 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 March 2021.

How much traffic does I 10; EB & WB over Wash carry?

About 116,828 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is I 10; EB & WB over Wash?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns I 10; EB & WB over Wash?

It is owned by the State Highway Agency.