US Bridges

Union Hills DR over Channel

Good

Maricopa County, Arizona · E of Hayden · Structure no. 11239

Built
2003
22 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
2,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union Hills DR over Channel is a concrete continuous culvert carrying Union Hills DR over Channel in Maricopa County, Arizona. It was built in 2003, so it is 22 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 2,100 vehicles a day, roughly 2% of them trucks, projected to reach 2,110 by 2038. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUnion Hills DR
CrossesChannel
LocationE of Hayden
RouteCity Street 0
StateArizona
Coordinates33.6496, -111.9075
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2018)
Projected traffic2,110 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Channel built?

It was built in 2003, making it 22 years old in 2025.

What condition is Union Hills DR over 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 2025.

How much traffic does Union Hills DR over Channel carry?

About 2,100 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Union Hills DR over Channel?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns Union Hills DR over Channel?

It is owned by the City or Municipal Highway Agency.