US Bridges

Taxiway over Mcdowell Road

Good

Maricopa County, Arizona · 0.5 MI E Greenfield RD · Structure no. 10011

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
2 main spans
Daily traffic
100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Taxiway over Mcdowell Road is a prestressed concrete box beam or girders - multiple carrying Taxiway over Mcdowell Road in Maricopa County, Arizona. It was built in 1986, so it is 39 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 100 vehicles a day, projected to reach 110 by 2042. The structure is 106 ft (32.3 m) long and 150 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTaxiway
CrossesMcdowell Road
Location0.5 MI E Greenfield RD
StateArizona
Coordinates33.4662, -111.7277
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating67 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span51 ft (15.5 m)
Deck width150 ft (45.7 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic110 by 2042
Trucks—
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Taxiway over Mcdowell Road built?

It was built in 1986, making it 39 years old in 2025.

What condition is Taxiway over Mcdowell Road 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 2023.

How much traffic does Taxiway over Mcdowell Road carry?

About 100 vehicles per day (2023 count).

How long is Taxiway over Mcdowell Road?

The structure is 106 ft (32.3 m) long with a longest span of 51 ft (15.5 m) and a deck 150 ft wide.

Who owns Taxiway over Mcdowell Road?

It is owned by the City or Municipal Highway Agency.