US Bridges

Loop 101 over Bell Road

Fair

Maricopa County, Arizona · 0.3 MI N of JCT US 60 · Structure no. 02050

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
205 ft
1 main span
Daily traffic
113,696
2021 count
Owner
State
State Highway Agency

About this bridge

Loop 101 over Bell Road is a prestressed concrete box beam or girders - multiple carrying Loop 101 over Bell Road 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 113,696 vehicles a day, roughly 7% of them trucks, projected to reach 113,706 by 2041. The structure is 205 ft (62.5 m) long and 145 ft wide.

CarriesLoop 101
CrossesBell Road
Location0.3 MI N of JCT US 60
RouteState Highway 101
StateArizona
Coordinates33.6379, -112.2378
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 rating99 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span200 ft (61 m)
Deck width145 ft (44.3 m)
Roadway width139 ft (42.5 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic113,696 (2021)
Projected traffic113,706 by 2041
Trucks7%
Lanes on structure8
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 Loop 101 over Bell Road built?

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

What condition is Loop 101 over Bell Road 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 Loop 101 over Bell Road carry?

About 113,696 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Loop 101 over Bell Road?

The structure is 205 ft (62.5 m) long with a longest span of 200 ft (61 m) and a deck 145 ft wide.

Who owns Loop 101 over Bell Road?

It is owned by the State Highway Agency.