US Bridges

IRR San Xavier RD over Drainage Wash

Good

Pima County, Arizona · 0.2 MI W JCT I-19 · Structure no. 06788

Built
1986
39 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
4,053
2022 count
Owner
State
State Highway Agency

About this bridge

IRR San Xavier RD over Drainage Wash is a concrete continuous culvert carrying IRR San Xavier RD over Drainage 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 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 4,053 vehicles a day, roughly 1% of them trucks, projected to reach 4,063 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRR San Xavier RD
CrossesDrainage Wash
Location0.2 MI W JCT I-19
RouteState Highway 19
StateArizona
Coordinates32.10483, -110.99561
Functional classRural Minor 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.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
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 rating82 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,053 (2022)
Projected traffic4,063 by 2042
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IRR San Xavier RD over Drainage Wash built?

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

What condition is IRR San Xavier RD over Drainage 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 February 2024.

How much traffic does IRR San Xavier RD over Drainage Wash carry?

About 4,053 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is IRR San Xavier RD over Drainage Wash?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m).

Who owns IRR San Xavier RD over Drainage Wash?

It is owned by the State Highway Agency.