US Bridges

Smokethorn Drive over Copper Creek

Good

Pima County, Arizona · 0.3 MI E Copper Creek DR · Structure no. 09936

Built
1994
31 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
21 ft
3 main spans
Daily traffic
600
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Smokethorn Drive over Copper Creek is a steel culvert carrying Smokethorn Drive over Copper Creek 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 600 vehicles a day, projected to reach 610 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSmokethorn Drive
CrossesCopper Creek
Location0.3 MI E Copper Creek DR
RouteCity Street 0
StateArizona
Coordinates32.4166, -110.9888
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 alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic610 by 2042
Trucks0%
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 Smokethorn Drive over Copper Creek built?

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

What condition is Smokethorn Drive over Copper Creek 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 Smokethorn Drive over Copper Creek carry?

About 600 vehicles per day (2022 count).

How long is Smokethorn Drive over Copper Creek?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns Smokethorn Drive over Copper Creek?

It is owned by the Town or Township Highway Agency.