US Bridges

Alma School Road over US 60

Fair

Maricopa County, Arizona · 6.4MI E JCT I 10 · Structure no. 01872

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
238 ft
2 main spans
Daily traffic
40,979
2022 count
Owner
State
State Highway Agency

About this bridge

Alma School Road over US 60 is a prestressed concrete continuous box beam or girders - single or spread carrying Alma School Road over US 60 in Maricopa County, Arizona. It was built in 1978, so it is 47 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40,979 vehicles a day, roughly 4% of them trucks, projected to reach 40,989 by 2042. The structure is 238 ft (72.5 m) long and 141 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesAlma School Road
CrossesUS 60
Location6.4MI E JCT I 10
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3855, -111.8574
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span118 ft (36 m)
Deck width141 ft (42.9 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,979 (2022)
Projected traffic40,989 by 2042
Trucks4%
Lanes on structure10
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3,000 (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alma School Road over US 60 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Alma School Road over US 60 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Alma School Road over US 60 carry?

About 40,979 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Alma School Road over US 60?

The structure is 238 ft (72.5 m) long with a longest span of 118 ft (36 m) and a deck 141 ft wide.

Who owns Alma School Road over US 60?

It is owned by the State Highway Agency.