US Bridges

I-10 EB & WB over Grant Road

Good

Pima County, Arizona · 4.0 MI N JCT I-19 · Structure no. 02783

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
2 main spans
Daily traffic
192,645
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 EB & WB over Grant Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I-10 EB & WB over Grant Road in Pima County, Arizona. It was built in 2009, so it is 16 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 192,645 vehicles a day, roughly 10% of them trucks, projected to reach 192,655 by 2042. The structure is 240 ft (73.2 m) long and 149 ft wide.

CarriesI-10 EB & WB
CrossesGrant Road
Location4.0 MI N JCT I-19
RouteInterstate 10
StateArizona
Coordinates32.2506, -110.9933
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span116 ft (35.4 m)
Deck width149 ft (45.4 m)
Roadway width142 ft (43.4 m)
Vertical clearance over deck35 ft (10.7 m)

Traffic and service

Average daily traffic192,645 (2022)
Projected traffic192,655 by 2042
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-10 EB & WB over Grant Road built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-10 EB & WB over Grant Road 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 2024.

How much traffic does I-10 EB & WB over Grant Road carry?

About 192,645 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-10 EB & WB over Grant Road?

The structure is 240 ft (73.2 m) long with a longest span of 116 ft (35.4 m) and a deck 149 ft wide.

Who owns I-10 EB & WB over Grant Road?

It is owned by the State Highway Agency.