US Bridges

Skyline Drive over Promenade Drainage Chan

Good

Pinal County, Arizona · 0.2MI SE of Mt. Vist Blvd · Structure no. 11698

Built
2021
4 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete Continuous
Length
46 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Skyline Drive over Promenade Drainage Chan is a concrete continuous culvert carrying Skyline Drive over Promenade Drainage Chan in Pinal County, Arizona. It was built in 2021, so it is 4 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 110 by 2042. The structure is 46 ft (14 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesSkyline Drive
CrossesPromenade Drainage Chan
Location0.2MI SE of Mt. Vist Blvd
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.1908, -111.5953
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 inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic110 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Skyline Drive over Promenade Drainage Chan built?

It was built in 2021, making it 4 years old in 2025.

What condition is Skyline Drive over Promenade Drainage Chan 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 August 2022.

How much traffic does Skyline Drive over Promenade Drainage Chan carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Skyline Drive over Promenade Drainage Chan?

The structure is 46 ft (14 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns Skyline Drive over Promenade Drainage Chan?

It is owned by the County Highway Agency.