US Bridges

Irvington Road over Drainage Channel

Good

Pima County, Arizona · 0.3 MI E JCT Tucson Blvd · Structure no. 10309

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
22,218
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Irvington Road over Drainage Channel is a concrete continuous culvert carrying Irvington Road over Drainage Channel in Pima County, Arizona. It was built in 1996, so it is 29 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 22,218 vehicles a day, roughly 5% of them trucks, projected to reach 22,228 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIrvington Road
CrossesDrainage Channel
Location0.3 MI E JCT Tucson Blvd
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1632, -110.9301
Functional classUrban Other Principal Arterial

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 inspectionApril 2023
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 rating99 US tons
Inventory rating99 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 traffic22,218 (2023)
Projected traffic22,228 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Irvington Road over Drainage Channel built?

It was built in 1996, making it 29 years old in 2025.

What condition is Irvington Road over Drainage 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 April 2023.

How much traffic does Irvington Road over Drainage Channel carry?

About 22,218 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Irvington Road over Drainage Channel?

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

Who owns Irvington Road over Drainage Channel?

It is owned by the City or Municipal Highway Agency.