1999 Bridge Inventory

FHWA, in consultation with the States, has assigned a sufficiency rating (SR) to each bridge (20 ft. or more) inventoried.  Formula (SR) rating factors are as outlined in the current "recording and Coding Guide for Structures Inventory and Appraisal (SI&A) of the Nation's Bridges."

Information current through October 1999.

Substandard

State

Total

(%)

Total

(%)

(%)

Alabama

5,527

1,334

24%

10,068

3,398

34%

15,595

4,732

30%

Alaska

819

171

21%

133

48

36%

952

219

23%

Arizona

4,243

144

3%

2,366

192

8%

6,609

336

5%

Arkansas

6,957

1,494

21%

5,361

1,963

37%

12,318

3,457

28%

California

12,176

1,756

14%

12,002

2,611

22%

24,178

4,367

18%

Colorado

3,691

558

15%

4,473

785

18%

8,164

1,343

16%

Connecticut

2,907

143

5%

1,240

234

19%

4,147

377

9%

Delaware

795

152

19%

7

4

57%

802

156

19%

District of
Columbia

200

71

36%

12

7

58%

212

78

37%

Florida

6,243

1,376

22%

4,947

1,532

31%

11,190

2,908

26%

Georgia

5,851

1,028

18%

8,522

2,448

29%

14,373

3,476

24%

Hawaii

734

369

50%

400

176

44%

1,134

545

48%

Idaho

1,247

259

21%

2,246

417

19%

3,493

676

19%

Illinois

8,066

1,972

24%

17,582

3,603

20%

25,648

5,575

22%

Indiana

5,478

877

16%

12,498

3,784

30%

17,976

4,661

26%

Iowa

4,052

505

12%

21,057

6,593

31%

25,109

7,098

28%

Kansas

5,274

910

17%

20,798

5,916

28%

26,072

6,826

26%

Kentucky

9,034

2,781

31%

4,668

1,793

38%

13,702

4,574

33%

Louisiana

7,927

2,385

30%

5,738

2,469

43%

13,665

4,854

36%

Maine

1,943

562

29%

314

185

59%

2,257

747

33%

Maryland

2,697

671

25%

2,056

705

34%

4,753

1,376

29%

Massachusetts

3,449

1,261

37%

1,541

581

38%

4,990

1,842

37%

Michigan

4,331

1,510

35%

6,440

1,951

30%

10,771

3,461

32%

Minnesota

3,503

434

12%

9,241

1,606

17%

12,744

2,040

16%

Mississippi

5,319

1,311

25%

11,116

4,652

42%

16,435

5,963

36%

Missouri

9,901

2,821

28%

13,293

5,897

44%

23,194

8,718

38%

Montana

2,361

297

13%

2,404

727

30%

4,765

1,024

21%

Nebraska

3,479

311

9%

12,236

4,423

36%

15,715

4,734

30%

Nevada

1,008

62

6%

373

38

10%

1,381

100

7%

New Hampshire

1,441

302

21%

944

472

50%

2,385

774

32%

New Jersey

2,388

539

23%

3,942

1,322

34%

6,330

1,861

29%

New Mexico

2,940

995

34%

665

262

39%

3,605

1,257

35%

New York

7,789

2,233

29%

11,717

5,465

47%

19,506

7,698

39%

North Carolina

16,390

5,759

35%

645

183

28%

17,035

5,942

35%

North Dakota

1,097

74

7%

3,413

1,119

33%

4,510

1,193

26%

Ohio

11,579

3,359

29%

18,706

8,693

46%

30,285

12,052

40%

Oklahoma

7,386

1,613

22%

15,479

7,588

49%

22,865

9,201

40%

Oregon

2,650

757

29%

3,838

744

19%

6,488

1,501

23%

Pennsylvania

16,336

6,127

38%

6,869

3,031

44%

23,205

9,158

39%

Rhode Island

602

364

60%

148

98

66%

750

462

62%

South Carolina

8,211

1,634

20%

843

334

40%

9,054

1,968

22%

South Dakota

1,792

263

15%

4,110

1,482

36%

5,902

1,745

30%

Tennessee

7,442

1,731

23%

11,961

3,513

29%

19,403

5,244

27%

Texas

32,200

5,650

18%

16,300

7,170

44%

48,500

12,820

26%

Utah

1,735

456

26%

936

255

27%

2,671

711

27%

Vermont

1,075

336

31%

1,581

664

42%

2,656

1,000

38%

Virginia

11,321

2,828

25%

1,040

279

27%

12,361

3,107

25%

Washington

3,139

721

23%

4,055

844

21%

7,194

1,565

22%

West Virginia

6,475

2,650

41%

152

111

73%

6,627

2,761

42%

Wisconsin

4,779

618

13%

8,564

1,914

22%

13,343

2,532

19%

Wyoming

1,935

126

7%

861

331

38%

2,796

457

16%

Substandard
Total

Substandard
Total

All States
TOTALS

104,612