US Bridges

Greenway RD over SR 51

Fair

Maricopa County, Arizona · 12.6 MI North of I 10 · Structure no. 02461

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
199 ft
2 main spans
Daily traffic
42,186
2022 count
Owner
State
State Highway Agency

About this bridge

Greenway RD over SR 51 is a prestressed concrete continuous box beam or girders - single or spread carrying Greenway RD over SR 51 in Maricopa County, Arizona. It was built in 1997, so it is 28 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 42,186 vehicles a day, roughly 3% of them trucks, projected to reach 42,196 by 2042. The structure is 199 ft (60.7 m) long and 134 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGreenway RD
CrossesSR 51
Location12.6 MI North of I 10
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6263, -112.0071
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating67 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length199 ft (60.7 m)
Longest span97 ft (29.6 m)
Deck width134 ft (40.8 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic42,186 (2022)
Projected traffic42,196 by 2042
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Greenway RD over SR 51 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Greenway RD over SR 51 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 October 2023.

How much traffic does Greenway RD over SR 51 carry?

About 42,186 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Greenway RD over SR 51?

The structure is 199 ft (60.7 m) long with a longest span of 97 ft (29.6 m) and a deck 134 ft wide.

Who owns Greenway RD over SR 51?

It is owned by the State Highway Agency.