US Bridges

83rd Avenue over Loop 101

Fair

Maricopa County, Arizona · 3.3 MI N of JCT US 60 · Structure no. 02060

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
352 ft
2 main spans
Daily traffic
17,814
2021 count
Owner
State
State Highway Agency

About this bridge

83rd Avenue over Loop 101 is a prestressed concrete continuous box beam or girders - single or spread carrying 83rd Avenue over Loop 101 in Maricopa County, Arizona. It was built in 1990, so it is 35 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 17,814 vehicles a day, roughly 5% of them trucks, projected to reach 17,824 by 2041. The structure is 352 ft (107.3 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries83rd Avenue
CrossesLoop 101
Location3.3 MI N of JCT US 60
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6437, -112.2357
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span172 ft (52.4 m)
Deck width85 ft (25.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,814 (2021)
Projected traffic17,824 by 2041
Trucks5%
Lanes on structure4
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 83rd Avenue over Loop 101 built?

It was built in 1990, making it 35 years old in 2025.

What condition is 83rd Avenue over Loop 101 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 April 2023.

How much traffic does 83rd Avenue over Loop 101 carry?

About 17,814 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 83rd Avenue over Loop 101?

The structure is 352 ft (107.3 m) long with a longest span of 172 ft (52.4 m) and a deck 85 ft wide.

Who owns 83rd Avenue over Loop 101?

It is owned by the State Highway Agency.