US Bridges

Headly Road over Drainageway

Good

Pima County, Arizona · Oak Tree Dr. @ Headley · Structure no. 10314

Built
1994
31 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
6,583
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Headly Road over Drainageway is a concrete continuous culvert carrying Headly Road over Drainageway in Pima County, Arizona. It was built in 1994, so it is 31 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 6,583 vehicles a day, roughly 2% of them trucks, projected to reach 6,593 by 2040. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHeadly Road
CrossesDrainageway
LocationOak Tree Dr. @ Headley
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1392, -111.005
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 inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 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 traffic6,583 (2020)
Projected traffic6,593 by 2040
Trucks2%
Lanes on structure2
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 Headly Road over Drainageway built?

It was built in 1994, making it 31 years old in 2025.

What condition is Headly Road over Drainageway 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 May 2021.

How much traffic does Headly Road over Drainageway carry?

About 6,583 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Headly Road over Drainageway?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns Headly Road over Drainageway?

It is owned by the City or Municipal Highway Agency.