US Bridges

Maryland Ave over 101L

Good

Maricopa County, Arizona · 0.5 MI S Glendale Ave · Structure no. 02851

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
399 ft
3 main spans
Daily traffic
6,510
2023 count
Owner
State
State Highway Agency

About this bridge

Maryland Ave over 101L is a prestressed concrete continuous stringer/multi-beam or girder carrying Maryland Ave over 101L in Maricopa County, Arizona. It was built in 2007, so it is 18 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 6,510 vehicles a day, roughly 5% of them trucks, projected to reach 6,520 by 2042. The structure is 399 ft (121.6 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMaryland Ave
Crosses101L
Location0.5 MI S Glendale Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5301, -112.2697
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length399 ft (121.6 m)
Longest span131 ft (39.9 m)
Deck width86 ft (26.2 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,510 (2023)
Projected traffic6,520 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maryland Ave over 101L built?

It was built in 2007, making it 18 years old in 2025.

What condition is Maryland Ave over 101L 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 November 2023.

How much traffic does Maryland Ave over 101L carry?

About 6,510 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Maryland Ave over 101L?

The structure is 399 ft (121.6 m) long with a longest span of 131 ft (39.9 m) and a deck 86 ft wide.

Who owns Maryland Ave over 101L?

It is owned by the State Highway Agency.