US Bridges

Speedway Blvd over Small Wash

Good

Pima County, Arizona · 200 E Tanque Verde Loop · Structure no. 09805

Built
1980
45 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
2,700
2022 count
Owner
County
County Highway Agency

About this bridge

Speedway Blvd over Small Wash is a concrete culvert carrying Speedway Blvd over Small Wash in Pima County, Arizona. It was built in 1980, so it is 45 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 2,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,710 by 2042. The structure is 23 ft (7 m) long and 78 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSpeedway Blvd
CrossesSmall Wash
Location200 E Tanque Verde Loop
RouteCounty Highway 422
StateArizona
Coordinates32.23545, -110.75515
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length23 ft (7 m)
Longest span4 ft (1.2 m)
Deck width78 ft (23.8 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic2,710 by 2042
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Speedway Blvd over Small Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is Speedway Blvd over Small 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 March 2024.

How much traffic does Speedway Blvd over Small Wash carry?

About 2,700 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Speedway Blvd over Small Wash?

The structure is 23 ft (7 m) long with a longest span of 4 ft (1.2 m) and a deck 78 ft wide.

Who owns Speedway Blvd over Small Wash?

It is owned by the County Highway Agency.