State profile · Below national median SD

Indiana bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Indiana — drawn straight from the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition
4.9%
Structurally deficient

Total Bridges

18,630

Public highway bridges in Indiana

Good Condition

36.1%

6,733 bridges rated 7-9

-13.9pp vs 50% benchmark

Poor Condition

4.9%

920 bridges rated 0-4

Structurally Deficient

4.9%

920 bridges flagged for repair priority

-2.1pp vs national avg 7.0%

Indiana vs national bridge condition

Indiana — Good condition share 36.1%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Indiana — Structurally deficient share 16.5%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Indiana vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Indiana on the same metric.

05

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

53

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

18

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

20

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

56

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

Bridges Needing Most Attention in Indiana

Six lowest-condition bridges in Indiana, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Indiana

CR 300 EAST

Fair

Over: DEER CREEK

00.05 N OF CR 1150 S, Cass, IN

Built 1975 Load: 32.7 t ADT: 130

CR 200 EAST

Fair

Over: ANSBERRY BIRD DITCH

00.20 S OF CR 800 S, Cass, IN

Built 1960 Load: 32.7 t ADT: 280

CR 1000 EAST

Fair

Over: SOUTH FORK OF DEER CREEK

00.30 N OF SR 18, Cass, IN

Built 1970 Load: 32.7 t ADT: 610

CR 1300 SOUTH

Fair

Over: SOUTH FORK OF DEER CREEK

00.70 W OF CR 1100 E, Cass, IN

Built 1976 Load: 32.7 t ADT: 130

LOGANSPORT ROAD

Fair

Over: NORFOLK SOUTHERN R/R

00.30 E OF CR 700 E, Cass, IN

Built 1972 Load: 32.7 t ADT: 2,350

CR 225S

Fair

Over: TRIBUTARY OF GRANTS RUN

00.75 W OF CR 500 W, Cass, IN

Built 1975 Load: 32.7 t ADT: 110

CR 1300 SOUTH

Fair

Over: HYMAN DITCH

00.25 W OF CR 100 E, Cass, IN

Built 1975 Load: 32.7 t ADT: 100

CR 1400 SOUTH

Fair

Over: TRIB OF S FORK DEER CK

00.50 W OF CR 950 E, Cass, IN

Built 1958 Load: 32.7 t ADT: 520

MIAMI CO. LINE RD.

Fair

Over: GOVERNMENT DITCH

00.12 S SR 218, Cass, IN

Built 1970 Load: 32.7 t ADT: 340

SR 60

Fair

Over: ELK RUN

01.97 W SR 311, Clark, IN

Built 1952 Load: 32.7 t ADT: 11,358

KETTLE BOTTOM RD

Fair

Over: EAST FORK

00.80 SE of Maxwell Road, Clark, IN

Built 1974 Load: 32.7 t ADT: 390

CR 400S

Fair

Over: Clear Branch

00.50 E of 500 W, Clay, IN

Built 1965 Load: 32.7 t ADT: 119

CR 30 WEST

Fair

Over: ROBINSON BRANCH

0.90 N OF SR 26, Clinton, IN

Built 1990 Load: 32.7 t ADT: 102

CR 120 EAST

Fair

Over: SOUTH FORK WILDCAT CREEK

0.40 S OF CR 250 N, Clinton, IN

Built 1959 Load: 32.7 t ADT: 204

CR 675 WEST

Fair

Over: CAMPBELLS RUN

0.10 N of SR 26, Clinton, IN

Built 1974 Load: 32.7 t ADT: 204

CR 950 W

Fair

Over: HOG RUN

00.80 N of CR 550 N, Clinton, IN

Built 1978 Load: 32.7 t ADT: 204

CR 550 NORTH

Fair

Over: HOG RUN

0.10 E OF CR 800 W, Clinton, IN

Built 1982 Load: 32.7 t ADT: 102

CR 550 NORTH

Fair

Over: HOG RUN

0.50 W OF CR 700 W, Clinton, IN

Built 1982 Load: 32.7 t ADT: 102

CR 290 NORTH

Fair

Over: KILMORE CREEK

0.10 W OF CR 600 W, Clinton, IN

Built 1975 Load: 32.7 t ADT: 204

CR 1000 EAST

Fair

Over: SWAMP CREEK

0.30 N OF CR 300 N, Clinton, IN

Built 1975 Load: 32.7 t ADT: 204

CR 1250 EAST

Fair

Over: SWAMP CREEK

0.10 N OF CR 250 N, Clinton, IN

Built 1938 Load: 32.7 t ADT: 544

CR 200 SOUTH

Fair

Over: SCOTT WINCOOP DITCH

0.20 W OF CR 900 E, Clinton, IN

Built 1936 Load: 32.7 t ADT: 103

CR 400 S

Fair

Over: SUGAR Creek

00.20 E of CR 1100 E, Clinton, IN

Built 1963 Load: 32.7 t ADT: 204

CR 180 EAST

Fair

Over: PRAIRIE CREEK

0.10 S OF KIRKLIN BRICK R, Clinton, IN

Built 1952 Load: 32.7 t ADT: 200

CR 175 EAST

Fair

Over: MANN DITCH

0.30 S OF KELLY ROAD, Clinton, IN

Built 1974 Load: 32.7 t ADT: 306

CR 450 WEST

Fair

Over: HEAVILON DITCH

0.40 N OF CR 0 N/S, Clinton, IN

Built 1954 Load: 32.7 t ADT: 611

CR 1000 EAST

Fair

Over: KILMORE CREEK

0.10 N OF CR 400 N, Clinton, IN

Built 1973 Load: 32.7 t ADT: 204

CR 800 EAST

Fair

Over: FORK OF WILDCAT CREEK

0.50 S OF SR 26, Clinton, IN

Built 2003 Load: 32.7 t ADT: 102

CR 700 WEST

Fair

Over: GOLDSBERRY CREEK

0.10 E OF CR 500 W, Clinton, IN

Built 1999 Load: 32.7 t ADT: 102

I-64

Fair

Over: JORDAN CREEK

01.59 E SR 66, Crawford, IN

Built 1972 Load: 32.7 t ADT: 18,371

MAGNOLIA ROAD

Fair

Over: BOGARD CREEK

1.10 S OF CALHOUN ROAD, Crawford, IN

Built 1968 Load: 32.7 t ADT: 411

MILLTOWN ROAD

Fair

Over: WHISKEY RUN

0.10 S OF SEACAT LANE, Crawford, IN

Built 1950 Load: 32.7 t ADT: 1,500

ALLEN CREEK ROAD

Fair

Over: FLEMING CREEK

0.00 INT OF SR 145, Crawford, IN

Built 2005 Load: 32.7 t ADT: 271

SPEEDY ROAD

Fair

Over: MITCHELL CREEK

0.00 S OF MITCHELL CR. RD, Crawford, IN

Built 1933 Load: 32.7 t ADT: 141

PLEASANT AVENUE

Fair

Over: WHISKEY RUN

0.10 E OF MURPHY STREET, Crawford, IN

Built 1965 Load: 32.7 t ADT: 250

CR 200N

Fair

Over: SOUTH FORK PRAIRIE CREEK

00.33 E of CR 650 E, Daviess, IN

Built 1988 Load: 32.7 t ADT: 591

SR 46

Fair

Over: LOGAN CREEK

00.94 E SR 1, Dearborn, IN

Built 1937 Load: 32.7 t ADT: 1,242

SR 46

Fair

Over: LOGAN CREEK

02.93 E SR 1, Dearborn, IN

Built 1937 Load: 32.7 t ADT: 1,810

HUESMAN RD

Fair

Over: BRANCH OF LAUGHERY CREEK

00.60 S OF MT TABOR RD, Dearborn, IN

Built 1992 Load: 32.7 t ADT: 860

E LAUGHERY CR RD

Fair

Over: BRANCH OF LAUGHERY CREEK

00.40 W OF SR 56, Dearborn, IN

Built 1993 Load: 32.7 t ADT: 100

SPANGLER RD

Fair

Over: PETER CREEK

00.80 SE OF STOOPS RD, Dearborn, IN

Built 1920 Load: 32.7 t ADT: 320

SANGAMAW RD

Fair

Over: HAYNES BRANCH

00.60 W OF SR 62, Dearborn, IN

Built 1976 Load: 32.7 t ADT: 480

CUTTER RD

Fair

Over: BRANCH OF LAUGHERY CREEK

01.20 SW OF BELLS BR., Dearborn, IN

Built 2004 Load: 32.7 t ADT: 100

BELLS BRANCH RD

Fair

Over: BAUM HOLLOW CREEK

00.30 N OF CLAY MILLER, Dearborn, IN

Built 1945 Load: 32.7 t ADT: 110

COUNTY FARM RD

Fair

Over: LITTLE HOGAN CREEK

01.70 W SR 48, Dearborn, IN

Built 1990 Load: 32.7 t ADT: 500

ESTER RIDGE RD

Fair

Over: WEST FORK OF TANNERS CR

01.10 S OF GIEGER RD, Dearborn, IN

Built 1991 Load: 32.7 t ADT: 100

BONNELL RD

Fair

Over: FOX RUN

00.10 W OF FOX RD, Dearborn, IN

Built 1988 Load: 32.7 t ADT: 160

SAWDON RIDGE RD

Fair

Over: BRUSH FORK TANNERS CREEK

00.20 NE OF SR 1, Dearborn, IN

Built 1987 Load: 32.7 t ADT: 800

COOK RD

Fair

Over: SLAB CAMP CREEK

00.20 W OF SR 1, Dearborn, IN

Built 1996 Load: 32.7 t ADT: 30

PINHOOK RD

Fair

Over: BRANCH OF WHITEWATER RVR

00.60 E OF WHITES HILL, Dearborn, IN

Built 1986 Load: 32.7 t ADT: 380

Showing 5,901-5,950 of 18,630 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.