US Bridges

Lone Mt Pkwy over Drainage Basin

Good

Maricopa County, Arizona · 0.7 MI W. JCT Vistancia · Structure no. 10966

Built
2004
21 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
2,097
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lone Mt Pkwy over Drainage Basin is a concrete culvert carrying Lone Mt Pkwy over Drainage Basin in Maricopa County, Arizona. It was built in 2004, so it is 21 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 2,097 vehicles a day, roughly 1% of them trucks, projected to reach 2,107 by 2037. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLone Mt Pkwy
CrossesDrainage Basin
Location0.7 MI W. JCT Vistancia
RouteCity Street 0
StateArizona
Coordinates33.7639, -112.3529
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 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 evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,097 (2017)
Projected traffic2,107 by 2037
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lone Mt Pkwy over Drainage Basin built?

It was built in 2004, making it 21 years old in 2025.

What condition is Lone Mt Pkwy over Drainage Basin 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 Lone Mt Pkwy over Drainage Basin carry?

About 2,097 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Lone Mt Pkwy over Drainage Basin?

The structure is 22 ft (6.7 m) long with a longest span of 4 ft (1.2 m).

Who owns Lone Mt Pkwy over Drainage Basin?

It is owned by the City or Municipal Highway Agency.