US Bridges

Union Hills DR over Drain Channel

Good

Maricopa County, Arizona · 500 Ft E JCT 92nd ST · Structure no. 07530

Built
1989
36 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
107 ft
7 main spans
Daily traffic
150
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union Hills DR over Drain Channel is a concrete continuous culvert carrying Union Hills DR over Drain Channel in Maricopa County, Arizona. It was built in 1989, so it is 36 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 150 vehicles a day, projected to reach 160 by 2037. The structure is 107 ft (32.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUnion Hills DR
CrossesDrain Channel
Location500 Ft E JCT 92nd ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6546, -111.8813
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span10 ft (3 m)
Deck width68 ft (20.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2017)
Projected traffic160 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Union Hills DR over Drain Channel built?

It was built in 1989, making it 36 years old in 2025.

What condition is Union Hills DR over Drain Channel 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 January 2022.

How much traffic does Union Hills DR over Drain Channel carry?

About 150 vehicles per day (2017 count).

How long is Union Hills DR over Drain Channel?

The structure is 107 ft (32.6 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns Union Hills DR over Drain Channel?

It is owned by the City or Municipal Highway Agency.