US Bridges

Silverleaf Drive over Large Wash

Good

Pima County, Arizona · 0.3 MI E JCT LA Canada DR · Structure no. 07569

Built
1987
38 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
76 ft
6 main spans
Daily traffic
1,000
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Silverleaf Drive over Large Wash is a steel culvert carrying Silverleaf Drive over Large Wash in Pima County, Arizona. It was built in 1987, so it is 38 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,010 by 2042. The structure is 76 ft (23.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSilverleaf Drive
CrossesLarge Wash
Location0.3 MI E JCT LA Canada DR
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.4197, -110.9911
Functional classUrban Local

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 inspectionDecember 2022
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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating78 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,010 by 2042
Trucks1%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Silverleaf Drive over Large Wash built?

It was built in 1987, making it 38 years old in 2025.

What condition is Silverleaf Drive over Large 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 December 2022.

How much traffic does Silverleaf Drive over Large Wash carry?

About 1,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Silverleaf Drive over Large Wash?

The structure is 76 ft (23.2 m) long with a longest span of 9 ft (2.7 m).

Who owns Silverleaf Drive over Large Wash?

It is owned by the Town or Township Highway Agency.