US Bridges

Vulture Mine RD over Box Wash

Fair

Maricopa County, Arizona · 12.5 MI N/Wickenburg RD · Structure no. 11666

Built
2023
2 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
202 ft
2 main spans
Daily traffic
665
2023 count
Owner
County
County Highway Agency

About this bridge

Vulture Mine RD over Box Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying Vulture Mine RD over Box Wash in Maricopa County, Arizona. It was built in 2023, so it is 2 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 665 vehicles a day, roughly 5% of them trucks, projected to reach 675 by 2042. The structure is 202 ft (61.6 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesVulture Mine RD
CrossesBox Wash
Location12.5 MI N/Wickenburg RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.8794, -112.8214
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic665 (2023)
Projected traffic675 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Vulture Mine RD over Box Wash built?

It was built in 2023, making it 2 years old in 2025.

What condition is Vulture Mine RD over Box Wash 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 2024.

How much traffic does Vulture Mine RD over Box Wash carry?

About 665 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Vulture Mine RD over Box Wash?

The structure is 202 ft (61.6 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns Vulture Mine RD over Box Wash?

It is owned by the County Highway Agency.