US Bridges

35th Avenue over I 10

Good

Maricopa County, Arizona · 1.5 MI West JCT I 17 · Structure no. 01933

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
317 ft
2 main spans
Daily traffic
30,752
2022 count
Owner
State
State Highway Agency

About this bridge

35th Avenue over I 10 is a prestressed concrete continuous box beam or girders - single or spread carrying 35th Avenue over I 10 in Maricopa County, Arizona. It was built in 1985, so it is 40 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 30,752 vehicles a day, roughly 9% of them trucks, projected to reach 30,762 by 2042. The structure is 317 ft (96.6 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries35th Avenue
CrossesI 10
Location1.5 MI West JCT I 17
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4625, -112.1345
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length317 ft (96.6 m)
Longest span162 ft (49.4 m)
Deck width115 ft (35 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic30,752 (2022)
Projected traffic30,762 by 2042
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 35th Avenue over I 10 built?

It was built in 1985, making it 40 years old in 2025.

What condition is 35th Avenue 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 March 2023.

How much traffic does 35th Avenue over I 10 carry?

About 30,752 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 35th Avenue over I 10?

The structure is 317 ft (96.6 m) long with a longest span of 162 ft (49.4 m) and a deck 115 ft wide.

Who owns 35th Avenue over I 10?

It is owned by the State Highway Agency.