US Bridges

SR303L SB Frt RD over Ramp SW

Good

Maricopa County, Arizona · N of JCT I-10 & 303L · Structure no. 02982

Built
2014
11 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
10,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR303L SB Frt RD over Ramp SW is a prestressed concrete continuous box beam or girders - multiple carrying SR303L SB Frt RD over Ramp SW in Maricopa County, Arizona. It was built in 2014, so it is 11 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 10,000 vehicles a day, roughly 4% of them trucks, projected to reach 10,010 by 2041. The structure is 205 ft (62.4 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR303L SB Frt RD
CrossesRamp SW
LocationN of JCT I-10 & 303L
RouteState Highway 303
StateArizona
Coordinates33.4639, -112.4287
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 inspectionJanuary 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 rating53 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length205 ft (62.4 m)
Longest span91 ft (27.6 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic10,010 by 2041
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 SR303L SB Frt RD over Ramp SW built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR303L SB Frt RD over Ramp SW 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 January 2023.

How much traffic does SR303L SB Frt RD over Ramp SW carry?

About 10,000 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is SR303L SB Frt RD over Ramp SW?

The structure is 205 ft (62.4 m) long with a longest span of 91 ft (27.6 m) and a deck 37 ft wide.

Who owns SR303L SB Frt RD over Ramp SW?

It is owned by the State Highway Agency.