US Bridges

Ramp S-E over Southern Avenue

Good

Maricopa County, Arizona · At Superstition Ti · Structure no. 02305

Built
1995
30 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
1 main span
Daily traffic
26,759
2021 count
Owner
State
State Highway Agency

About this bridge

Ramp S-E over Southern Avenue is a prestressed concrete stringer/multi-beam or girder carrying Ramp S-E over Southern Avenue in Maricopa County, Arizona. It was built in 1995, so it is 30 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 26,759 vehicles a day, roughly 2% of them trucks, projected to reach 26,769 by 2041. The structure is 139 ft (42.4 m) long and 64 ft wide.

CarriesRamp S-E
CrossesSouthern Avenue
LocationAt Superstition Ti
RouteInterstate 10
StateArizona
Coordinates33.39306, -111.9684
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span133 ft (40.5 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,759 (2021)
Projected traffic26,769 by 2041
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Ramp S-E over Southern Avenue built?

It was built in 1995, making it 30 years old in 2025.

What condition is Ramp S-E over Southern Avenue 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 2023.

How much traffic does Ramp S-E over Southern Avenue carry?

About 26,759 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Ramp S-E over Southern Avenue?

The structure is 139 ft (42.4 m) long with a longest span of 133 ft (40.5 m) and a deck 64 ft wide.

Who owns Ramp S-E over Southern Avenue?

It is owned by the State Highway Agency.