US Bridges

Williams DR over Channel

Good

Maricopa County, Arizona · E of N Miller RD · Structure no. 11269

Built
1998
27 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
1,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Williams DR over Channel is a concrete continuous culvert carrying Williams DR over Channel 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,110 by 2038. The structure is 34 ft (10.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilliams DR
CrossesChannel
LocationE of N Miller RD
RouteCity Street 0
StateArizona
Coordinates33.69722, -111.91667
Functional classUrban Collector

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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,110 by 2038
Trucks5%
Lanes on structure3
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 Williams DR over Channel built?

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

What condition is Williams 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 Williams DR over Channel carry?

About 1,100 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Williams DR over Channel?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns Williams DR over Channel?

It is owned by the City or Municipal Highway Agency.