US Bridges

Hov Ramp over On I-10 Median

Good

Maricopa County, Arizona · 1.7 MI E JCT I-17 · Structure no. 01960

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
461 ft
4 main spans
Daily traffic
6,801
2024 count
Owner
State
State Highway Agency

About this bridge

Hov Ramp over On I-10 Median is a prestressed concrete continuous box beam or girders - single or spread carrying Hov Ramp over On I-10 Median in Maricopa County, Arizona. It was built in 1988, so it is 37 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 6,801 vehicles a day, roughly 4% of them trucks, projected to reach 6,810 by 2042. The structure is 461 ft (140.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHov Ramp
CrossesOn I-10 Median
Location1.7 MI E JCT I-17
RouteInterstate 10
StateArizona
Coordinates33.4611, -112.0817
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length461 ft (140.5 m)
Longest span134 ft (40.8 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic6,801 (2024)
Projected traffic6,810 by 2042
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hov Ramp over On I-10 Median built?

It was built in 1988, making it 37 years old in 2025.

What condition is Hov Ramp over On I-10 Median 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 2024.

How much traffic does Hov Ramp over On I-10 Median carry?

About 6,801 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Hov Ramp over On I-10 Median?

The structure is 461 ft (140.5 m) long with a longest span of 134 ft (40.8 m) and a deck 45 ft wide.

Who owns Hov Ramp over On I-10 Median?

It is owned by the State Highway Agency.