Maricopa County, AZ

2,203 public highway bridges

Maricopa County Bridge Snapshot

Maricopa County, Arizona contains 2,203 public highway bridges in the FHWA National Bridge Inventory. Roughly 53.9% are rated “Good,” 24% “Fair,” 0.1% “Poor,” and 0.1% 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.

2,203

Total Bridges

53.9%

Good

0.1%

Poor

0.1%

Structurally Deficient

Condition Distribution

Good

53.9% (1,187)

Fair

24% (529)

Poor

0.1% (3)

SD

0.1% (3)

All Bridges (2,203)

Sort:

WB 10-SB 17 Ramp

Over: I10, I17, Ramps SE, NW

at Jct I 10 and I 17, Maricopa, AZ

Built 1990 ADT: 222,656

WB 10-NB 17 Ramp O

Over: M3 ramp, NB FR, City sts

at Jct I 17 and I 10, Maricopa, AZ

Built 1990 ADT: 4,101

Adams St

Over: I 17 NB SB

5.7 mi N Jct I 10, Maricopa, AZ

Built 1986 ADT: 96,444

Van Buren Street

Over: I 17

5.9 mi North Jct I 10, Maricopa, AZ

Built 1959 ADT: 106,564

US 60 Grand Av

Over: I 17, Blk Canyn Hwy

1.0 mi North Jct I 10, Maricopa, AZ

Built 1986 ADT: 204,493

I 10; EB

Over: 27th Avenue

0.5 mi West Jct I 17, Maricopa, AZ

Built 1986 ADT: 10,057

I 10; WB

Over: 27th Avenue

0.5 mi West Jct I 17, Maricopa, AZ

Built 1986 ADT: 20,734

7th Avenue

Over: I 10

1.66 mi E of Jct I 17, Maricopa, AZ

Built 1988 ADT: 240,757

5th Avenue

Over: I-10

1.8 mi E Jct I-17, Maricopa, AZ

Built 1988 ADT: 308,487

3rd Avenue

Over: I-10

1.9 mi E Jct I-17, Maricopa, AZ

Built 1988 ADT: 308,487

Central Avenue

Over: I-10 / Deck Park

2.2 mi E Jct I-17, Maricopa, AZ

Central Avenue

Over: I-10 / Deck Park

2.2 mi E Jct I-17, Maricopa, AZ

Third Street

Over: I-10

2.4 mi E Jct I-17, Maricopa, AZ

Built 1987 ADT: 308,487

11th Ave Ped OP

Over: I 10

1.42 mi E of I 17, Maricopa, AZ

Built 1988 ADT: 216,807

10th St Ped OP

Over: I-10

2.9 mi E Jct I-17, Maricopa, AZ

Built 1987 ADT: 311,685

12th St

Over: I-10

3.1 mi E Jct I-17, Maricopa, AZ

Built 1986 ADT: 311,685

16th St

Over: I 10

3.7 mi E of Jct I 17, Maricopa, AZ

Built 1986 ADT: 318,644

18th St Ped

Over: I 10

3.95 mi E Jct I 17, Maricopa, AZ

Built 1986 ADT: 125,490

EB 10-EB 202 Ramp

Over: I10, Ramps NN, SS, WS

at Jct with 202, Maricopa, AZ

Built 1987 ADT: 366,583

WB 202-WB 10 Ramp

Over: Ramps E-N, W-S, N-N

4.24 mi E of Jct I 17, Maricopa, AZ

Built 1987 ADT: 167,784

SB 51-EB 10 Ramp

Over: I 10

at Jct with S 51, Maricopa, AZ

Built 1987 ADT: 178,501

Roosevelt Street

Over: I 10

0.3 mi S Jct SL 202, Maricopa, AZ

Built 1985 ADT: 125,490

I 10 EB

Over: Van Buren Street

0.82 mi S Jct SL 202, Maricopa, AZ

Built 1986 ADT: 16,397

I 10 WB

Over: Van Buren Street

0.82 mi S Jct SL 202, Maricopa, AZ

Built 1986 ADT: 16,397

Thomas Road

Over: I 17

0.4 mi N Jct I 10, Maricopa, AZ

Built 1988 ADT: 216,465

I 10 EB

Over: Sky Harbor Circle

1.0 mi N of Jct I 17, Maricopa, AZ

Built 1988 ADT: 500

I 10 WB

Over: Grant Street

1.0 mi N of Jct I 17, Maricopa, AZ

Built 1988 ADT: 1,000

I 10 Sky Harb Ramp

Over: 24th St

0.4 mi E of Jct I 10, Maricopa, AZ

Built 1986 ADT: 4,040

I 10 EB

Over: Buckeye Road

0.7 mi N Jct I 17, Maricopa, AZ

Built 1988 ADT: 36,469

I 10 WB

Over: Buckeye Road

0.7 mi N Jct I 17, Maricopa, AZ

Built 1988 ADT: 36,469

I 10 EB

Over: Sky Harbor Cir.

0.3 mi N Jct I 17, Maricopa, AZ

Built 1988 ADT: 10,000

I 10 WB

Over: Sky Harbor Cir

0.3 mi N Jct I 17, Maricopa, AZ

Built 1988 ADT: 7,000

EB 10

Over: SB 17-WB 10

at SE Jct I 17, Maricopa, AZ

Built 1988 ADT: 12,754

WB 10

Over: SB 17-WB 10

at SE Jct of I 17, Maricopa, AZ

Built 1988 ADT: 12,754

I 17 SB

Over: WB 10 Ramp

at SE Junction of I 17, Maricopa, AZ

Built 1988 ADT: 12,754

I 17 NB

Over: I 10 & SB 17-WB 10

at SE Jct With I 17, Maricopa, AZ

Built 1987 ADT: 203,152

HOV Ramp

Over: WB10, Rmp EN, WS, SS, NN

4.15 E of Jct I 17, Maricopa, AZ

Built 1987 ADT: 163,042

I 10

Over: 24th Street

0.3 mi E Jct I 17, Maricopa, AZ

Built 1988 ADT: 22,134

Union Hills Drive

Over: Loop 101

0.4 mi N of Jct US 60, Maricopa, AZ

Built 1990 ADT: 97,313

SR 143

Over: University Drive

0.7 mi North of Jct I 10, Maricopa, AZ

Built 1984 ADT: 32,093

Warner Road

Over: I 10

3.8 mi South of Jct US 60, Maricopa, AZ

Built 1986 ADT: 208,312

Ray Road

Over: I 10

4.8 mi South of Jct US 60, Maricopa, AZ

Built 1986 ADT: 191,433

Loop 202

Over: 24th St

0.3 mi E I 10, Maricopa, AZ

Built 1987 ADT: 29,891

I 10 Sky Harb Ramp

Over: 24th Street

0.3 mi E Jct I 10, Maricopa, AZ

Built 1988 ADT: 18,751

Loop 101

Over: Peoria Ave

10.28 mi N Jct SR 85, Maricopa, AZ

Built 1987 ADT: 19,025

59th Avenue

Over: SL 101

4.21 mi W of Jct I 17, Maricopa, AZ

Built 1990 ADT: 150,676

Superst Sprgs Blvd

Over: US 60

15.9 mi E Jct I-10, Maricopa, AZ

Built 1988 ADT: 175,007

US 60

Over: Crismon Road

20.4 mi E Jct I-10, Maricopa, AZ

Built 1990 ADT: 19,518

US 60

Over: Signal Butte Road

21.4 mi E Jct I-10, Maricopa, AZ

Built 1990 ADT: 24,445

SPRR

Over: Loop 101

1.8 mi N of Jct SR 360, Maricopa, AZ

Built 1990 ADT: 225,822

Read our methodology — how this data is sourced, computed, and verified.

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026