US Bridges

Ramp Ws over I-10

Good

Maricopa County, Arizona · At Junct of I-10/303L · Structure no. 20070

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
3,316 ft
21 main spans
Daily traffic
5,406
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp Ws over I-10 is a prestressed concrete continuous box beam or girders - multiple carrying Ramp Ws over I-10 in Maricopa County, Arizona. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,406 vehicles a day, roughly 4% of them trucks, projected to reach 5,416 by 2042. The structure is 3,316 ft (1,010.7 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRamp Ws
CrossesI-10
LocationAt Junct of I-10/303L
RouteInterstate 10
CountyMaricopa County
StateArizona
Coordinates33.463, -112.4215
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans21
Design loadHL 93
Structure length3,316 ft (1,010.7 m)
Longest span230 ft (70.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,406 (2023)
Projected traffic5,416 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Ws over I-10 built?

It was built in 2017, making it 8 years old in 2025.

What condition is Ramp Ws over I-10 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 October 2023.

How much traffic does Ramp Ws over I-10 carry?

About 5,406 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Ramp Ws over I-10?

The structure is 3,316 ft (1,010.7 m) long with a longest span of 230 ft (70.1 m) and a deck 43 ft wide.

Who owns Ramp Ws over I-10?

It is owned by the State Highway Agency.