US Bridges

IRR BIA RTE 3 over Santa Cruz River

Fair

Pinal County, Arizona · 0.3 KM N of Santa Cruz · Structure no. 00000000000H143

Built
1969
56 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
6 main spans
Daily traffic
95
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 3 over Santa Cruz River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 3 over Santa Cruz River in Pinal County, Arizona. It was built in 1969, so it is 56 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 5 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 95 vehicles a day, roughly 2% of them trucks, projected to reach 115 by 2043. The structure is 211 ft (64.2 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 3
CrossesSanta Cruz River
Location0.3 KM N of Santa Cruz
RouteFederal Lands Road 3
CountyPinal County
StateArizona
Coordinates33.23242, -112.16981
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length211 ft (64.2 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2023)
Projected traffic115 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 3 over Santa Cruz River built?

It was built in 1969, making it 56 years old in 2025.

What condition is IRR BIA RTE 3 over Santa Cruz 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 January 2023.

How much traffic does IRR BIA RTE 3 over Santa Cruz River carry?

About 95 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is IRR BIA RTE 3 over Santa Cruz River?

The structure is 211 ft (64.2 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns IRR BIA RTE 3 over Santa Cruz River?

It is owned by the Bureau of Indian Affairs.