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 900W

Fair

Over: MUTTON CREEK

00.51 N OF CR 200 N, Jennings, IN

Built 1999 Load: 32.7 t ADT: 100

CR 450E

Fair

Over: BRUSH CREEK

00.03 S OF CR 485 N, Jennings, IN

Built 1920 Load: 32.7 t ADT: 725

CR 600E

Fair

Over: GRAHAM CREEK

00.67 N OF CR 325 S, Jennings, IN

Built 1986 Load: 32.7 t ADT: 220

CR 500S

Fair

Over: BIG GRAHAM CREEK

00.17 E OF CR 25 W, Jennings, IN

Built 1974 Load: 32.7 t ADT: 425

CR 20W

Fair

Over: VERNON FK MUSCATATUCK R

00.05 S OF WATER ST, Jennings, IN

Built 1978 Load: 32.7 t ADT: 1,150

CR 500S

Fair

Over: VERNON FK MUSCATATUCK R

00.02 W OF CR 650 W, Jennings, IN

Built 1979 Load: 32.7 t ADT: 650

BASE LINE ROAD

Fair

Over: SIX MILE CREEK

00.14 W OF CR 520 W, Jennings, IN

Built 1979 Load: 32.7 t ADT: 125

CR 740E

Fair

Over: VERNON FK MUSCATATUCK R

00.07 E OF CR 740 E, Jennings, IN

Built 1977 Load: 32.7 t ADT: 350

CR 400E

Fair

Over: ICE CREEK

00.24 S OF CR 1000 N, Jennings, IN

Built 1996 Load: 32.7 t ADT: 100

CR 600 WEST

Fair

Over: BARNES CREEK

0.55 N OF SR 135, Johnson, IN

Built 1982 Load: 32.7 t ADT: 186

CR 325 EAST

Fair

Over: HERRIOTTS CREEK

0.50 S OF SR 252, Johnson, IN

Built 1946 Load: 32.7 t ADT: 805

CR 300 NORTH

Fair

Over: HURRICANE CREEK

0.20 E OF CR 350 E, Johnson, IN

Built 1994 Load: 32.7 t ADT: 1,263

CR 350 NORTH

Fair

Over: LITTLE SUGAR CREEK

0.15 E OF CR 625 E, Johnson, IN

Built 1991 Load: 32.7 t ADT: 431

SOUTH STREET

Fair

Over: YOUNGS CREEK

0.20 E OF HOME AVENUE, Johnson, IN

Built 1934 Load: 32.7 t ADT: 4,186

CR 725 EAST

Fair

Over: DRAINAGE DITCH

0.35 NW OF 400 S, Johnson, IN

Built 1960 Load: 32.7 t ADT: 72

MOORELAND DRIVE

Fair

Over: EAST GRASSY CREEK

0.02 N OF WESTBROOK DR, Johnson, IN

Built 1999 Load: 32.7 t ADT: 613

CR 575 EAST

Fair

Over: GUTSINGER DITCH

0.10 N OF CR 600 N, Johnson, IN

Built 1992 Load: 32.7 t ADT: 344

BERRY ROAD

Fair

Over: TURKEY PEN CREEK

0.10 N OF OLIVE BRANCH RD, Johnson, IN

Built 1997 Load: 32.7 t ADT: 3,927

CR 800 N (STOP 18)

Fair

Over: LITTLE GRASSY CREEK

0.60 E OF US 31, Johnson, IN

Built 2000 Load: 32.7 t ADT: 3,489

CR 500 WEST

Fair

Over: CROOKED CREEK

0.40 S OF CR 144, Johnson, IN

Built 2002 Load: 32.7 t ADT: 919

EMERSON AVENUE

Fair

Over: PLEASANT CREEK

0.50 S OF COUNTY LINE RD, Johnson, IN

Built 2003 Load: 32.7 t ADT: 26,836

BRIDGECREEK CROSS

Fair

Over: LITTLE GRASSY CREEK

0.10 S OF WORTHVILLE RD, Johnson, IN

Built 2003 Load: 32.7 t ADT: 147

TIMBERS EDGE DRIVE

Fair

Over: PLEASANT RUN CREEK

0.05 N OF FRY ROAD, Johnson, IN

Built 2003 Load: 32.7 t ADT: 545

CR 375 NORTH

Fair

Over: BANTA CREEK

0.15 E OF CR 725 W, Johnson, IN

Built 1995 Load: 32.7 t ADT: 132

CR 144

Fair

Over: SALEM BROOK

0.45 NW OF CR 625 W, Johnson, IN

Built 1950 Load: 32.7 t ADT: 5,329

SR 67

Fair

Over: PURDY MARSH DITCH

01.02 S SR 358, Knox, IN

Built 1997 Load: 32.7 t ADT: 5,731

MOODY ROAD

Fair

Over: BRANCH OF MARSH CREEK

00.81 E OF OLD US 41, Knox, IN

Built 1940 Load: 32.7 t ADT: 130

LWR FREELANDVILLE

Fair

Over: MARIAH CREEK

00.27 E OF PERKINS ROAD, Knox, IN

Built 1970 Load: 32.7 t ADT: 110

BAND MILL ROAD

Fair

Over: VIEKE DITCH

00.36 E OF BILL ROAD, Knox, IN

Built 1970 Load: 32.7 t ADT: 110

RIVERDALE ROAD

Fair

Over: BLACK CREEK

00.02 E OF KOENIG ROAD, Knox, IN

Built 1968 Load: 32.7 t ADT: 190

BLOEBAUM ROAD

Fair

Over: MUDDY RUN

00.23 W OF DECKER ROAD, Knox, IN

Built 1945 Load: 32.7 t ADT: 130

ROBINSON ROAD

Fair

Over: DESHEE RIVER

00.58 NE OF STATE ROAD 61, Knox, IN

Built 1970 Load: 32.7 t ADT: 200

EVANS ROAD

Fair

Over: ROBERSON DITCH

00.68 E OF BUD ROAD, Knox, IN

Built 1986 Load: 32.7 t ADT: 250

CR SE 200 S

Fair

Over: INDIAN CREEK

00.26 N OF ANDERSON PIT R, Knox, IN

Built 1974 Load: 32.7 t ADT: 250

SCHAFFER ROAD

Fair

Over: PURDY MARSH

00.73 E OF MEMERING ROAD, Knox, IN

Built 1991 Load: 32.7 t ADT: 130

RISLEY ROAD

Fair

Over: MARIAH CREEK

00.40 S OF SPRINGTOWN ROA, Knox, IN

Built 1900 Load: 32.7 t ADT: 130

OAKTOWN ROAD

Fair

Over: BRANCH OF TILLY DITCH

00.78 N OF KUHN ROAD, Knox, IN

Built 1915 Load: 32.7 t ADT: 200

DAVIS ROAD

Fair

Over: BRANCH OF SMALLS CREEK

00.24 N OF MAIN CROSS ST, Knox, IN

Built 1950 Load: 32.7 t ADT: 110

LANE ROAD

Fair

Over: BRANCH OF MARIAH CREEK

00.32 S OF L FREELANDVILL, Knox, IN

Built 1960 Load: 32.7 t ADT: 130

OLD STATE ROAD 67

Fair

Over: SNAPP CREEK

00.03 N OF OLD TERRE HAUT, Knox, IN

Built 1970 Load: 32.7 t ADT: 750

GRANDVIEW ROAD

Fair

Over: HILL DITCH

00.32 E OF HUEY ROAD, Knox, IN

Built 1978 Load: 32.7 t ADT: 130

OTIS ROAD

Fair

Over: WILSON CREEK

00.12 N OF HAMLIN CHAPEL, Knox, IN

Built 1983 Load: 32.7 t ADT: 80

OLD VINCENNES DIST

Fair

Over: KELSO CREEK

00.01 E OF NIBLACK BLVD, Knox, IN

Built 1989 Load: 32.7 t ADT: 20

RIDGELEYVILLE ROAD

Fair

Over: LONG POND

01.22 S OF HAMLIN CHAPEL, Knox, IN

Built 2009 Load: 32.7 t ADT: 50

OLD US 30

Fair

Over: TIPPECANOE RIVER

00.20 E OF 350 W, Kosciusko, IN

Built 1950 Load: 32.7 t ADT: 2,550

CR 700W

Fair

Over: TIPPECANOE RIVER

00.80 N OF CHRYSTAL LAKE, Kosciusko, IN

Built 1967 Load: 32.7 t ADT: 350

CR 650W

Fair

Over: TIPPECANOE RIVER

00.01 S OF CR 100 N, Kosciusko, IN

Built 1974 Load: 32.7 t ADT: 200

W CENTER STREET

Fair

Over: WALNUT CREEK

00.01 W OF HAND ST, Kosciusko, IN

Built 1970 Load: 32.7 t ADT: 2,800

CR 800 SOUTH

Fair

Over: N. BRANCH ELKHART RIVER

00.07 E OF CR 200W, LaGrange, IN

Built 1981 Load: 32.7 t ADT: 1,750

CR 1200 EAST

Fair

Over: PIGEON CREEK

00.50 N OF CR 150N, LaGrange, IN

Built 1975 Load: 32.7 t ADT: 100

Showing 6,351-6,400 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.