US Bridges

Irr; SR 347 over Santa Cruz Wash N Branch

Good

Pinal County, Arizona · 3.7 MI N JCT SR 238 · Structure no. 02353

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
2 main spans
Daily traffic
25,418
2024 count
Owner
State
State Highway Agency

About this bridge

Irr; SR 347 over Santa Cruz Wash N Branch is a prestressed concrete continuous stringer/multi-beam or girder carrying Irr; SR 347 over Santa Cruz Wash N Branch in Pinal County, Arizona. It was built in 1992, so it is 33 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 25,418 vehicles a day, roughly 9% of them trucks, projected to reach 25,428 by 2042. The structure is 164 ft (50 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIrr; SR 347
CrossesSanta Cruz Wash N Branch
Location3.7 MI N JCT SR 238
RouteState Highway 347
CountyPinal County
StateArizona
Coordinates33.12171, -112.01837
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (50 m)
Longest span79 ft (24.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,418 (2024)
Projected traffic25,428 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr; SR 347 over Santa Cruz Wash N Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Irr; SR 347 over Santa Cruz Wash N Branch 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 May 2024.

How much traffic does Irr; SR 347 over Santa Cruz Wash N Branch carry?

About 25,418 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Irr; SR 347 over Santa Cruz Wash N Branch?

The structure is 164 ft (50 m) long with a longest span of 79 ft (24.1 m) and a deck 47 ft wide.

Who owns Irr; SR 347 over Santa Cruz Wash N Branch?

It is owned by the State Highway Agency.