US Bridges

SR303L over Olive Ave/Bnsf RR

Good

Maricopa County, Arizona · 7 Miles N of I-10 · Structure no. 20010

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
352 ft
3 main spans
Daily traffic
27,812
2021 count
Owner
State
State Highway Agency

About this bridge

SR303L over Olive Ave/Bnsf RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR303L over Olive Ave/Bnsf RR in Maricopa County, Arizona. It was built in 2013, so it is 12 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 27,812 vehicles a day, roughly 10% of them trucks, projected to reach 27,822 by 2041. The structure is 352 ft (107.3 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR303L
CrossesOlive Ave/Bnsf RR
Location7 Miles N of I-10
RouteState Highway 303
CountyMaricopa County
StateArizona
Coordinates33.5657, -112.418
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
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 rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length352 ft (107.3 m)
Longest span118 ft (36 m)
Deck width110 ft (33.6 m)
Roadway width107 ft (32.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,812 (2021)
Projected traffic27,822 by 2041
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR303L over Olive Ave/Bnsf RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR303L over Olive Ave/Bnsf RR 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 June 2023.

How much traffic does SR303L over Olive Ave/Bnsf RR carry?

About 27,812 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR303L over Olive Ave/Bnsf RR?

The structure is 352 ft (107.3 m) long with a longest span of 118 ft (36 m) and a deck 110 ft wide.

Who owns SR303L over Olive Ave/Bnsf RR?

It is owned by the State Highway Agency.