US Bridges

SR Loop 101 over Mcdonald Drive

Good

Maricopa County, Arizona · 6 MI N of JCT 101 & 202 · Structure no. 02252

Built
1991
34 years old, rebuilt 2015
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
168 ft
2 main spans
Daily traffic
167,016
2021 count
Owner
State
State Highway Agency

About this bridge

SR Loop 101 over Mcdonald Drive is a prestressed concrete continuous box beam or girders - multiple carrying SR Loop 101 over Mcdonald Drive in Maricopa County, Arizona. It was built in 1991 and reconstructed in 2015, so it is 34 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 167,016 vehicles a day, roughly 7% of them trucks, projected to reach 167,026 by 2041. The structure is 168 ft (51.2 m) long and 169 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR Loop 101
CrossesMcdonald Drive
Location6 MI N of JCT 101 & 202
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.5241, -111.8874
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
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 rating46 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span84 ft (25.6 m)
Deck width169 ft (51.6 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167,016 (2021)
Projected traffic167,026 by 2041
Trucks7%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
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 SR Loop 101 over Mcdonald Drive built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2015.

What condition is SR Loop 101 over Mcdonald Drive 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 October 2022.

How much traffic does SR Loop 101 over Mcdonald Drive carry?

About 167,016 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR Loop 101 over Mcdonald Drive?

The structure is 168 ft (51.2 m) long with a longest span of 84 ft (25.6 m) and a deck 169 ft wide.

Who owns SR Loop 101 over Mcdonald Drive?

It is owned by the State Highway Agency.