US Bridges

I-10 & Ramps over Greyhound Wash

Good

Pima County, Arizona · JCT I-10 & I-19 · Structure no. 07079

Built
2005
20 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
149,372
2020 count
Owner
State
State Highway Agency

About this bridge

I-10 & Ramps over Greyhound Wash is a concrete continuous culvert carrying I-10 & Ramps over Greyhound Wash in Pima County, Arizona. It was built in 2005, so it is 20 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 149,372 vehicles a day, roughly 8% of them trucks, projected to reach 149,382 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-10 & Ramps
CrossesGreyhound Wash
LocationJCT I-10 & I-19
RouteInterstate 10
CountyPima County
StateArizona
Coordinates32.1976, -110.9786
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 inspectionNovember 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 length23 ft (7 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 traffic149,372 (2020)
Projected traffic149,382 by 2040
Trucks8%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$4,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 & Ramps over Greyhound Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-10 & Ramps over Greyhound 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 November 2021.

How much traffic does I-10 & Ramps over Greyhound Wash carry?

About 149,372 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I-10 & Ramps over Greyhound Wash?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns I-10 & Ramps over Greyhound Wash?

It is owned by the State Highway Agency.