US Bridges

303L NB over Glendale Avenue

Good

Maricopa County, Arizona · Glendale Avenue · Structure no. 20022

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
229 ft
2 main spans
Daily traffic
56,853
2021 count
Owner
State
State Highway Agency

About this bridge

303L NB over Glendale Avenue is a prestressed concrete continuous stringer/multi-beam or girder carrying 303L NB over Glendale Avenue in Maricopa County, Arizona. It was built in 2014, so it is 11 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 56,853 vehicles a day, roughly 10% of them trucks, projected to reach 56,863 by 2041. The structure is 229 ft (69.8 m) long and 197 ft wide.

Carries303L NB
CrossesGlendale Avenue
LocationGlendale Avenue
RouteState Highway 303
StateArizona
Coordinates33.5371, -112.4182
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length229 ft (69.8 m)
Longest span114 ft (34.7 m)
Deck width197 ft (59.9 m)
Roadway width190 ft (58 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,853 (2021)
Projected traffic56,863 by 2041
Trucks10%
Lanes on structure6
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 303L NB over Glendale Avenue built?

It was built in 2014, making it 11 years old in 2025.

What condition is 303L NB over Glendale Avenue 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 June 2023.

How much traffic does 303L NB over Glendale Avenue carry?

About 56,853 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 303L NB over Glendale Avenue?

The structure is 229 ft (69.8 m) long with a longest span of 114 ft (34.7 m) and a deck 197 ft wide.

Who owns 303L NB over Glendale Avenue?

It is owned by the State Highway Agency.