US Bridges

I 10 Sky Harb Ramp over 24th Street

Good

Maricopa County, Arizona · 0.3 MI E JCT I 10 · Structure no. 02032

Built
1988
37 years old
Condition
Good
inspected July 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
144 ft
1 main span
Daily traffic
8,542
2020 count
Owner
State
State Highway Agency

About this bridge

I 10 Sky Harb Ramp over 24th Street is a prestressed concrete box beam or girders - single or spread carrying I 10 Sky Harb Ramp over 24th Street 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 8,542 vehicles a day, roughly 6% of them trucks, projected to reach 8,552 by 2040. The structure is 144 ft (43.9 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 10 Sky Harb Ramp
Crosses24th Street
Location0.3 MI E JCT I 10
RouteInterstate 10
StateArizona
Coordinates33.4377, -112.0347
Functional classUrban Minor Arterial

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 inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span140 ft (42.7 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,542 (2020)
Projected traffic8,552 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 I 10 Sky Harb Ramp over 24th Street built?

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

What condition is I 10 Sky Harb Ramp over 24th Street 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 July 2022.

How much traffic does I 10 Sky Harb Ramp over 24th Street carry?

About 8,542 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 10 Sky Harb Ramp over 24th Street?

The structure is 144 ft (43.9 m) long with a longest span of 140 ft (42.7 m) and a deck 38 ft wide.

Who owns I 10 Sky Harb Ramp over 24th Street?

It is owned by the State Highway Agency.