US Bridges

Speedway Blvd over Wash

Fair

Pima County, Arizona · 20 W JCT Camino Seco RD · Structure no. 08998

Built
1988
37 years old
Condition
Fair
inspected October 2021
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
26,222
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Speedway Blvd over Wash is a concrete continuous culvert carrying Speedway Blvd over Wash in Pima County, Arizona. It was built in 1988, so it is 37 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 26,222 vehicles a day, roughly 10% of them trucks, projected to reach 26,232 by 2040. The structure is 43 ft (13.1 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSpeedway Blvd
CrossesWash
Location20 W JCT Camino Seco RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.2355, -110.8071
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width121 ft (36.9 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,222 (2020)
Projected traffic26,232 by 2040
Trucks10%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Speedway Blvd over Wash built?

It was built in 1988, making it 37 years old in 2025.

What condition is Speedway Blvd over Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2021.

How much traffic does Speedway Blvd over Wash carry?

About 26,222 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Speedway Blvd over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 121 ft wide.

Who owns Speedway Blvd over Wash?

It is owned by the City or Municipal Highway Agency.