US Bridges

I-10 EB Frt RD over SR303L

Good

Maricopa County, Arizona · 0.92 MI E of Citrus RD · Structure no. 20106

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
921
2017 count
Owner
State
State Highway Agency

About this bridge

I-10 EB Frt RD over SR303L is a prestressed concrete continuous box beam or girders - single or spread carrying I-10 EB Frt RD over SR303L in Maricopa County, Arizona. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 921 vehicles a day, roughly 5% of them trucks, projected to reach 931 by 2037. The structure is 214 ft (65.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-10 EB Frt RD
CrossesSR303L
Location0.92 MI E of Citrus RD
RouteState Highway 10
CountyMaricopa County
StateArizona
Coordinates33.4601, -112.4283
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length214 ft (65.2 m)
Longest span104 ft (31.7 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic921 (2017)
Projected traffic931 by 2037
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Frt RD over SR303L built?

It was built in 2017, making it 8 years old in 2025.

What condition is I-10 EB Frt RD over SR303L 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 July 2023.

How much traffic does I-10 EB Frt RD over SR303L carry?

About 921 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is I-10 EB Frt RD over SR303L?

The structure is 214 ft (65.2 m) long with a longest span of 104 ft (31.7 m) and a deck 37 ft wide.

Who owns I-10 EB Frt RD over SR303L?

It is owned by the State Highway Agency.