US Bridges

Pima Mine RD over Santa Cruz River

Good

Pima County, Arizona · 1.6 MI E JCT I-19 · Structure no. 11445

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
199 ft
2 main spans
Daily traffic
6,158
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Pima Mine RD over Santa Cruz River is a prestressed concrete continuous stringer/multi-beam or girder carrying Pima Mine RD over Santa Cruz River in Pima County, Arizona. It was built in 2016, so it is 9 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 6,158 vehicles a day, roughly 5% of them trucks, projected to reach 6,168 by 2042. The structure is 199 ft (60.7 m) long and 77 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPima Mine RD
CrossesSanta Cruz River
Location1.6 MI E JCT I-19
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.0013, -110.9649
Functional classUrban Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 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 length199 ft (60.7 m)
Longest span97 ft (29.6 m)
Deck width77 ft (23.6 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,158 (2023)
Projected traffic6,168 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Pima Mine RD over Santa Cruz River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pima Mine RD over Santa Cruz River 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 August 2023.

How much traffic does Pima Mine RD over Santa Cruz River carry?

About 6,158 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Pima Mine RD over Santa Cruz River?

The structure is 199 ft (60.7 m) long with a longest span of 97 ft (29.6 m) and a deck 77 ft wide.

Who owns Pima Mine RD over Santa Cruz River?

It is owned by the Town or Township Highway Agency.