US Bridges

I 10 over 24th Street

Fair

Maricopa County, Arizona · 0.3 MI E JCT I 17 · Structure no. 02000

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
132 ft
1 main span
Daily traffic
161,774
2021 count
Owner
State
State Highway Agency

About this bridge

I 10 over 24th Street is a prestressed concrete stringer/multi-beam or girder carrying I 10 over 24th Street in Maricopa 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 161,774 vehicles a day, roughly 4% of them trucks, projected to reach 161,784 by 2041. The structure is 132 ft (40.2 m) long and 245 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 10
Crosses24th Street
Location0.3 MI E JCT I 17
RouteInterstate 10
StateArizona
Coordinates33.4313, -112.0373
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 inspectionAugust 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 rating99 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span128 ft (39 m)
Deck width245 ft (74.7 m)
Roadway width242 ft (73.8 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic161,774 (2021)
Projected traffic161,784 by 2041
Trucks4%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 10 over 24th Street built?

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

What condition is I 10 over 24th Street 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 August 2024.

How much traffic does I 10 over 24th Street carry?

About 161,774 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is I 10 over 24th Street?

The structure is 132 ft (40.2 m) long with a longest span of 128 ft (39 m) and a deck 245 ft wide.

Who owns I 10 over 24th Street?

It is owned by the State Highway Agency.