US Bridges

Mountain View RD over Estrella FRWY-303

Good

Maricopa County, Arizona · At Estrella Frwy Loop 303 · Structure no. 02318

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
189 ft
2 main spans
Daily traffic
3,000
2022 count
Owner
State
State Highway Agency

About this bridge

Mountain View RD over Estrella FRWY-303 is a prestressed concrete continuous box beam or girders - single or spread carrying Mountain View RD over Estrella FRWY-303 in Maricopa County, Arizona. It was built in 2003, so it is 22 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,010 by 2042. The structure is 189 ft (57.6 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMountain View RD
CrossesEstrella FRWY-303
LocationAt Estrella Frwy Loop 303
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.6716, -112.4116
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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 rating81 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length189 ft (57.6 m)
Longest span92 ft (28 m)
Deck width66 ft (20.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic3,010 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Mountain View RD over Estrella FRWY-303 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Mountain View RD over Estrella FRWY-303 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 February 2023.

How much traffic does Mountain View RD over Estrella FRWY-303 carry?

About 3,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mountain View RD over Estrella FRWY-303?

The structure is 189 ft (57.6 m) long with a longest span of 92 ft (28 m) and a deck 66 ft wide.

Who owns Mountain View RD over Estrella FRWY-303?

It is owned by the State Highway Agency.