US Bridges

Irvington Road over Earp Wash

Good

Pima County, Arizona · 250 Ft E JCT Tucson Blvd · Structure no. 09837

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
26,470
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Irvington Road over Earp Wash is a concrete continuous culvert carrying Irvington Road over Earp Wash in Pima County, Arizona. It was built in 1986, so it is 39 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 26,470 vehicles a day, roughly 5% of them trucks, projected to reach 26,480 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIrvington Road
CrossesEarp Wash
Location250 Ft E JCT Tucson Blvd
RouteCity Street 0
StateArizona
Coordinates32.16325, -110.93478
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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
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 traffic26,470 (2023)
Projected traffic26,480 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Earp Wash built?

It was built in 1986, making it 39 years old in 2025.

What condition is Irvington Road over Earp Wash 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 Earp Wash carry?

About 26,470 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Irvington Road over Earp Wash?

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

Who owns Irvington Road over Earp Wash?

It is owned by the City or Municipal Highway Agency.