US Bridges

Sl 101 over 35th Avenue

Good

Maricopa County, Arizona · 22.19 MI N of JCT I 10 · Structure no. 02070

Built
1992
33 years old, rebuilt 2011
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
194 ft
2 main spans
Daily traffic
180,146
2021 count
Owner
State
State Highway Agency

About this bridge

Sl 101 over 35th Avenue is a prestressed concrete continuous box beam or girders - single or spread carrying Sl 101 over 35th Avenue in Maricopa County, Arizona. It was built in 1992 and reconstructed in 2011, so it is 33 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 180,146 vehicles a day, roughly 7% of them trucks, projected to reach 180,156 by 2041. The structure is 194 ft (59.1 m) long and 157 ft wide.

Location

Open in Google Maps
CarriesSl 101
Crosses35th Avenue
Location22.19 MI N of JCT I 10
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.6693, -112.135
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 inspectionApril 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 rating86 US tons
Inventory rating52 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span96 ft (29.3 m)
Deck width157 ft (47.9 m)
Roadway width151 ft (46.1 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic180,146 (2021)
Projected traffic180,156 by 2041
Trucks7%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Sl 101 over 35th Avenue built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2011.

What condition is Sl 101 over 35th 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 April 2023.

How much traffic does Sl 101 over 35th Avenue carry?

About 180,146 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Sl 101 over 35th Avenue?

The structure is 194 ft (59.1 m) long with a longest span of 96 ft (29.3 m) and a deck 157 ft wide.

Who owns Sl 101 over 35th Avenue?

It is owned by the State Highway Agency.