US Bridges

Indian School RD over Agua Fria River

Fair

Maricopa County, Arizona · 0.5 MI E/ El Mirage · Structure no. 09145

Built
1970
55 years old, rebuilt 1983
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,623 ft
18 main spans
Daily traffic
24,685
2023 count
Owner
County
County Highway Agency

About this bridge

Indian School RD over Agua Fria River is a prestressed concrete continuous stringer/multi-beam or girder carrying Indian School RD over Agua Fria River in Maricopa County, Arizona. It was built in 1970 and reconstructed in 1983, so it is 55 years old, older 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 24,685 vehicles a day, roughly 10% of them trucks, projected to reach 24,695 by 2042. The structure is 1,623 ft (494.7 m) long and 77 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIndian School RD
CrossesAgua Fria River
Location0.5 MI E/ El Mirage
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.49314, -112.31521
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length1,623 ft (494.7 m)
Longest span90 ft (27.4 m)
Deck width77 ft (23.6 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,685 (2023)
Projected traffic24,695 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian School RD over Agua Fria River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1983.

What condition is Indian School RD over Agua Fria River 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 2024.

How much traffic does Indian School RD over Agua Fria River carry?

About 24,685 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Indian School RD over Agua Fria River?

The structure is 1,623 ft (494.7 m) long with a longest span of 90 ft (27.4 m) and a deck 77 ft wide.

Who owns Indian School RD over Agua Fria River?

It is owned by the County Highway Agency.