Pinal County, AZ

390 public highway bridges

Pinal County Bridge Snapshot

Pinal County, Arizona contains 390 public highway bridges in the FHWA National Bridge Inventory. Roughly 64.4% are rated “Good,” 28.5% “Fair,” 1.5% “Poor,” and 1.5% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in AZ are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

390
Total Bridges
64.4%
Good
1.5%
Poor
1.5%
Structurally Deficient

Condition Distribution

Good
64.4% (251)
Fair
28.5% (111)
Poor
1.5% (6)
SD
1.5% (6)

All Bridges (390)

SR 177

Unknown

Over: US 60

Jct US 60, Pinal, AZ

Built 1955 ADT: 9,622

SR 77

Unknown

Over: Old SR76

at Jct with Old SR 76, Pinal, AZ

Built 1957 ADT: 3,800

Redrock Rd

Unknown

Over: I 10; EB & WB

15.5 mi S Jct SR 84, Pinal, AZ

Built 1959 ADT: 47,244

Battaglia Road

Unknown

Over: I 10

6.4 mi SE Jct I-8, Pinal, AZ

Built 1963 ADT: 43,361

SR 84

Unknown

Over: I 8

AT JCT SR 84, Pinal, AZ

Built 1962 ADT: 7,156

I 8; WB

Unknown

Over: I 10

At Jct of I 10, Pinal, AZ

Built 1966 ADT: 50,258

I 8; EB Ramp

Unknown

Over: I 10

At Jct of I 10, Pinal, AZ

Built 1966 ADT: 50,258

Midway Rd

Unknown

Over: I 8

14.8 E Jct SR 84, Pinal, AZ

Built 1966 ADT: 8,715

FAS 471;Bianco Rd

Unknown

Over: I 8

8.8 mi W Jct I10, Pinal, AZ

Built 1967 ADT: 7,436

IRR Gas Line Rd

Unknown

Over: I-10

7.5 mi NW Jct SR 187, Pinal, AZ

Built 1967 ADT: 62,629

IRR Seed Farm Road

Unknown

Over: I-10

5.9 mi NW Jct SR 187, Pinal, AZ

Built 1967 ADT: 62,629

US 60

Unknown

Over: Ironwood Drive

23.4 mi E Jct I-10, Pinal, AZ

Built 1990 ADT: 21,783

US 60

Unknown

Over: Idaho Road

24.4 mi E Jct I-10, Pinal, AZ

Built 1990 ADT: 14,217

US 60

Unknown

Over: Tomahawk Road

25.4 mi E Jct I-10, Pinal, AZ

Built 1991 ADT: 8,154

US 60

Unknown

Over: Goldfield Road

26.4 mi E Jct I-10, Pinal, AZ

Built 1990 ADT: 3,683

Toltec Road

Unknown

Over: I 10

4.7 mi E Jct I-8, Pinal, AZ

Built 1989 ADT: 44,656

US 60

Unknown

Over: SR 79

14.7 mi W Jct SR 177, Pinal, AZ

Built 2003 ADT: 6,299

US 60

Unknown

Over: SR 79

14.7 mi W SR 177, Pinal, AZ

Built 2003 ADT: 6,299

I-10 WB

Unknown

Over: Picacho Peak Rd

8.9 mi E Jct SR 87, Pinal, AZ

Built 2010 ADT: 1,500

I-10

Unknown

Over: SR 87

At Jct SR87/84, Pinal, AZ

Built 2018 ADT: 54,337

Pedestrian Walkway

Unknown

Over: Gila River

200 ft S Jct Quarelli St, Pinal, AZ

Built 1916

Florence-Kelvin Hw

Unknown

Over: Gila River

1.3 mi S Jct SR 177, Pinal, AZ

Built 2018 ADT: 101

OLD STATE 87A

Fair

Over: GILA RIV DIVERSION CANAL

3.4 KM N OF AZ 87/187 JCT, Pinal, AZ

Built 1925 Load: 5.6 t ADT: 200

Butte Ave

Fair

Over: Florence-Casa Gr Canal

1.5 mi E Jct SR 79, Pinal, AZ

Built 1936 Load: 13.6 t ADT: 1,861

IRR BIA RTE 3

Fair

Over: ROCKHOUSE CANYON

4.3 KM E OF COOLIDGE DAM, Pinal, AZ

Built 1929 Load: 18.9 t ADT: 390

Ray Junction Rd

Fair

Over: Wash

1.5mi W of Junc 177, Pinal, AZ

Built 1920 Load: 19.1 t ADT: 67

Old W Hwy - EB

Fair

Over: Weekes Wash

1.2 mi E Jct SR 88, Pinal, AZ

Built 1929 Load: 21.8 t ADT: 6,947

Old W Hwy - WB

Fair

Over: Weekes Wash

1.2 mi E Jct SR 88, Pinal, AZ

Built 1964 Load: 21.8 t ADT: 8,713

Toltec Buttes Rd

Fair

Over: Casa Grande Canal Ext

0.2 mi S Jct Selma Hwy, Pinal, AZ

Built 1940 Load: 21.8 t ADT: 506

La Palma Road

Fair

Over: Casa Grande Canal

0.8 mi S Jct SR 287, Pinal, AZ

Built 1975 Load: 21.8 t ADT: 450

El Camino Viejo

Fair

Over: Sand Tanks Wash

1.2 mi N Jct US 60, Pinal, AZ

Built 1900 Load: 21.8 t ADT: 132

Magma Ave

Fair

Over: Queen Creek

0.1 mi N Jct US 60, Pinal, AZ

Built 1910 Load: 21.8 t ADT: 2,319

Queen Creek Drive

Fair

Over: Queen Creek

174 ft S Jct Queen Vly Dr, Pinal, AZ

Built 1971 Load: 21.8 t ADT: 210

Tweedy Road

Fair

Over: Casa Grande Canal

0.9 mi N Jct Selma Hwy, Pinal, AZ

Built 1980 Load: 21.8 t ADT: 855

11 Mile Corner Rd

Fair

Over: Casa Grande Canal

0.3 mi N Jct Selma Hwy, Pinal, AZ

Built 1972 Load: 21.8 t ADT: 2,324

SR 79

Fair

Over: Wash

11.6 mi N Jct SR 287, Pinal, AZ

Built 1952 Load: 23.6 t ADT: 179,508

US 60

Fair

Over: Wash

7.3 mi E Jct SR 88, Pinal, AZ

Built 1930 Load: 23.6 t ADT: 10,995

Anderson Rd

Fair

Over: Santa Cruz River

0.9 mi S Jct Mar-CG Hwy, Pinal, AZ

Built 1963 Load: 23.6 t ADT: 1,005

US 60

Fair

Over: Sand Tanks Wash

3.4 mi W Jct SR 79, Pinal, AZ

Built 1930 Load: 24.5 t ADT: 14,767

IRR BIA RTE 94

Fair

Over: MCCLELLAN WASH

6.4 KM E OF SACATON, Pinal, AZ

Built 1973 Load: 26.2 t ADT: 100

US 60

Fair

Over: Wash

4.8 mi E Jct SR 88, Pinal, AZ

Built 1929 Load: 26.3 t ADT: 16,564

Peart Rd

Fair

Over: Casa Grande Canal

2.8 mi S Jct SR 287, Pinal, AZ

Built 1940 Load: 27.2 t ADT: 305

SR 77

Fair

Over: San Pedro River

6.6 mi N Jct SR 76, Pinal, AZ

Built 1961 Load: 28.1 t ADT: 2,411

US 60

Fair

Over: Wash

1.0 mi E Jct SR 79, Pinal, AZ

Built 2004 Load: 29.0 t ADT: 14,497

SR 77

Fair

Over: Pfister Wash

5.8 mi S Jct SR 177, Pinal, AZ

Built 1964 Load: 29.9 t ADT: 2,515

US 60 WB

Fair

Over: Wash

5.5 mi E Jct SR 88, Pinal, AZ

Built 1964 Load: 29.9 t ADT: 22,144

US 60 WB

Fair

Over: Wash

2.8 mi E Jct SR 79, Pinal, AZ

Built 1947 Load: 29.9 t ADT: 10,693

Russell Road

Fair

Over: Wash

75' N Jct Maricopa-CG, Pinal, AZ

Built 1980 Load: 29.9 t ADT: 300

Anderson Road

Fair

Over: Wash

75 ft N Maricopa-CG Hwy, Pinal, AZ

Built 1980 Load: 29.9 t ADT: 925

Val Vista Road

Fair

Over: Wash

0.2 mi W of SR 387, Pinal, AZ

Built 1940 Load: 31.8 t ADT: 4,500

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial