US Bridges

Cactus RD over SR 51

Good

Maricopa County, Arizona · 10.53 N/I 10 · Structure no. 02455

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
190 ft
2 main spans
Daily traffic
49,292
2022 count
Owner
State
State Highway Agency

About this bridge

Cactus RD over SR 51 is a prestressed concrete continuous box beam or girders - single or spread carrying Cactus RD over SR 51 in Maricopa County, Arizona. It was built in 1998, so it is 27 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 49,292 vehicles a day, roughly 1% of them trucks, projected to reach 49,302 by 2042. The structure is 190 ft (57.9 m) long and 158 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCactus RD
CrossesSR 51
Location10.53 N/I 10
RouteCity Street 0
StateArizona
Coordinates33.597, -112.0098
Functional classUrban Other Principal 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
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span91 ft (27.7 m)
Deck width158 ft (48.2 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic49,292 (2022)
Projected traffic49,302 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Cactus RD over SR 51 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Cactus RD over SR 51 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 Cactus RD over SR 51 carry?

About 49,292 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Cactus RD over SR 51?

The structure is 190 ft (57.9 m) long with a longest span of 91 ft (27.7 m) and a deck 158 ft wide.

Who owns Cactus RD over SR 51?

It is owned by the State Highway Agency.