US Bridges

I 10 over 10th Avenue

Fair

Pima County, Arizona · 0.2 MI E JCT I-19 · Structure no. 02194

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
310 ft
4 main spans
Daily traffic
129,241
2022 count
Owner
State
State Highway Agency

About this bridge

I 10 over 10th Avenue is a prestressed concrete continuous box beam or girders - single or spread carrying I 10 over 10th Avenue in Pima County, Arizona. It was built in 1991, so it is 34 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 129,241 vehicles a day, roughly 9% of them trucks, projected to reach 129,251 by 2042. The structure is 310 ft (94.5 m) long and 150 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 10
Crosses10th Avenue
Location0.2 MI E JCT I-19
RouteInterstate 10
CountyPima County
StateArizona
Coordinates32.19044, -110.97481
Functional classUrban Principal Arterial - Interstate

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.
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 rating84 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span88 ft (26.8 m)
Deck width150 ft (45.7 m)
Roadway width147 ft (44.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129,241 (2022)
Projected traffic129,251 by 2042
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 over 10th Avenue built?

It was built in 1991, making it 34 years old in 2025.

What condition is I 10 over 10th Avenue 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 December 2024.

How much traffic does I 10 over 10th Avenue carry?

About 129,241 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I 10 over 10th Avenue?

The structure is 310 ft (94.5 m) long with a longest span of 88 ft (26.8 m) and a deck 150 ft wide.

Who owns I 10 over 10th Avenue?

It is owned by the State Highway Agency.