US Bridges

Bush HWY over Spook Hill Fldwy

Fair

Maricopa County, Arizona · 3.2 MI N/ Mcdowell RD · Structure no. 09763

Built
1962
63 years old, rebuilt 1992
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
65 ft
4 main spans
Daily traffic
5,036
2020 count
Owner
County
County Highway Agency

About this bridge

Bush HWY over Spook Hill Fldwy is a concrete culvert carrying Bush HWY over Spook Hill Fldwy in Maricopa County, Arizona. It was built in 1962 and reconstructed in 1992, so it is 63 years old, older 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 5,036 vehicles a day, roughly 5% of them trucks, projected to reach 5,046 by 2040. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesBush HWY
CrossesSpook Hill Fldwy
Location3.2 MI N/ Mcdowell RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.51189, -111.68371
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,036 (2020)
Projected traffic5,046 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Bush HWY over Spook Hill Fldwy built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.

What condition is Bush HWY over Spook Hill Fldwy 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 January 2023.

How much traffic does Bush HWY over Spook Hill Fldwy carry?

About 5,036 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Bush HWY over Spook Hill Fldwy?

The structure is 65 ft (19.8 m) long with a longest span of 15 ft (4.6 m).

Who owns Bush HWY over Spook Hill Fldwy?

It is owned by the County Highway Agency.