US Bridges

Van Alstine Drive over Speedway Blvd

Fair

Pima County, Arizona · 0.15 MI E of I 10 · Structure no. 09946

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
83 ft
2 main spans
Daily traffic
510
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Van Alstine Drive over Speedway Blvd is a concrete continuous slab carrying Van Alstine Drive over Speedway Blvd in Pima County, Arizona. It was built in 1958, so it is 67 years old, older 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 510 vehicles a day, roughly 5% of them trucks, projected to reach 520 by 2042. The structure is 83 ft (25.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesVan Alstine Drive
CrossesSpeedway Blvd
Location0.15 MI E of I 10
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.2357, -110.9818
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic520 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Van Alstine Drive over Speedway Blvd built?

It was built in 1958, making it 67 years old in 2025.

What condition is Van Alstine Drive over Speedway Blvd 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 July 2023.

How much traffic does Van Alstine Drive over Speedway Blvd carry?

About 510 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Van Alstine Drive over Speedway Blvd?

The structure is 83 ft (25.3 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Van Alstine Drive over Speedway Blvd?

It is owned by the City or Municipal Highway Agency.