US Bridges

Tonopah DR over Waterway

Good

Maricopa County, Arizona · 8650 W Tonopah DR · Structure no. 10868

Built
2002
23 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tonopah DR over Waterway is a concrete continuous culvert carrying Tonopah DR over Waterway in Maricopa County, Arizona. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2038. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTonopah DR
CrossesWaterway
Location8650 W Tonopah DR
RouteCity Street 0
StateArizona
Coordinates33.669, -112.2462
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.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2022
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 rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic500 (2018)
Projected traffic510 by 2038
Trucks1%
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 Tonopah DR over Waterway built?

It was built in 2002, making it 23 years old in 2025.

What condition is Tonopah DR over Waterway 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 April 2022.

How much traffic does Tonopah DR over Waterway carry?

About 500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Tonopah DR over Waterway?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Tonopah DR over Waterway?

It is owned by the City or Municipal Highway Agency.