US Bridges

SR202L S Mntn Fwy over 51st Ave

Good

Maricopa County, Arizona · 9.62 MI S of I-10/SMF Ti · Structure no. 20133

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
69,634
2023 count
Owner
State
State Highway Agency

About this bridge

SR202L S Mntn Fwy over 51st Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying SR202L S Mntn Fwy over 51st Ave in Maricopa County, Arizona. It was built in 2019, so it is 6 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 69,634 vehicles a day, roughly 17% of them trucks, projected to reach 69,644 by 2042. The structure is 206 ft (62.8 m) long and 145 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR202L S Mntn Fwy
Crosses51st Ave
Location9.62 MI S of I-10/SMF Ti
RouteState Highway 202
CountyMaricopa County
StateArizona
Coordinates33.327, -112.169
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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length206 ft (62.8 m)
Longest span150 ft (45.7 m)
Deck width145 ft (44.3 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,634 (2023)
Projected traffic69,644 by 2042
Trucks17%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 SR202L S Mntn Fwy over 51st Ave built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR202L S Mntn Fwy over 51st Ave 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 December 2023.

How much traffic does SR202L S Mntn Fwy over 51st Ave carry?

About 69,634 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SR202L S Mntn Fwy over 51st Ave?

The structure is 206 ft (62.8 m) long with a longest span of 150 ft (45.7 m) and a deck 145 ft wide.

Who owns SR202L S Mntn Fwy over 51st Ave?

It is owned by the State Highway Agency.