US Bridges

43rd Avenue over I 10

Fair

Maricopa County, Arizona · 2.5 MI West JCT I 17 · Structure no. 01931

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
333 ft
2 main spans
Daily traffic
33,100
2022 count
Owner
State
State Highway Agency

About this bridge

43rd Avenue over I 10 is a prestressed concrete continuous box beam or girders - single or spread carrying 43rd 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 33,100 vehicles a day, roughly 5% of them trucks, projected to reach 33,110 by 2042. The structure is 333 ft (101.5 m) long and 115 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries43rd Avenue
CrossesI 10
Location2.5 MI West JCT I 17
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4615, -112.1519
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating89.9 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span164 ft (50 m)
Deck width115 ft (35 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,100 (2022)
Projected traffic33,110 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 43rd Avenue over I 10 built?

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

What condition is 43rd Avenue over I 10 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does 43rd Avenue over I 10 carry?

About 33,100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 43rd Avenue over I 10?

The structure is 333 ft (101.5 m) long with a longest span of 164 ft (50 m) and a deck 115 ft wide.

Who owns 43rd Avenue over I 10?

It is owned by the State Highway Agency.