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

ROACHE AVE

Poor

Over: INDPLS WATER CO CANAL

00.60 W OF MLK JR ST, Marion, IN

Built 1911 Load: 25.5 t ADT: 1,052

PARK DRIVE

Poor

Over: SCHOOLMAN DITCH

0.20 S OF GRAHAM ST, Miami, IN

Built 1935 Load: 25.5 t ADT: 235

ADLER RD

Poor

Over: BRANCH OF POND FLAT DIT

00.10 W OF OLD PRINC. RD, Vanderburgh, IN

Built 1945 Load: 25.5 t ADT: 111

ST JOHN CHURCH RD

Poor

Over: BUCK CREEK

00.10 N OF BLACK CREEK RD, Harrison, IN

Built 1988 Load: 25.6 t ADT: 160

LUCKY POINT ROAD

Poor

Over: KESSINGER DITCH

00.96 W OF PETERSBURG ROA, Knox, IN

Built 1995 Load: 25.6 t ADT: 110

BRIDGETON Rd

Poor

Over: WILLIAMS Creek

00.20 N of CR 200 S, Parke, IN

Built 1945 Load: 25.6 t ADT: 904

MORRIS PLACE

Poor

Over: HONEY CREEK

00.20 S MCCOMBS, Vigo, IN

Built 1977 Load: 25.7 t ADT: 755

16TH STR./MLK JR.

Poor

Over: INDPLS WATER CO CANAL

00.60 W OF MERIDIAN STREE, Marion, IN

Built 1935 Load: 25.8 t ADT: 25,206

CR 250 SOUTH

Poor

Over: YOUNGS CREEK

0.70 W OF US 31, Johnson, IN

Built 1970 Load: 26.0 t ADT: 275

CR 680 SOUTH

Poor

Over: DAVIS DITCH

0.30 E of CR 400 E, Clinton, IN

Built 1928 Load: 26.1 t ADT: 102

JL WILSON ROAD

Poor

Over: ORE BR OF RICHLAND CREEK

0.20 S OF ORE BRANCH ROAD, Greene, IN

Built 1984 Load: 26.1 t ADT: 320

CALVERTVILLE ROAD

Poor

Over: BR OF GOOSE CREEK

0.25 E OF NEILL ROAD, Greene, IN

Built 1964 Load: 26.1 t ADT: 250

CR 1500 NORTH

Poor

Over: DAVIS DITCH

0.00 MILES E OF CR 100 E, Jasper, IN

Built 1981 Load: 26.1 t ADT: 785

COLORADO AVE

Poor

Over: PLEASANT RUN

00.15 N OF BROOKVILLE RD, Marion, IN

Built 1958 Load: 26.1 t ADT: 4,122

DERBYSHIRE ROAD

Poor

Over: DERBYSHIRE CREEK

00.40 NE OF SOUTHPORT RD, Marion, IN

Built 1935 Load: 26.1 t ADT: 1,716

DELBROOK DRIVE

Poor

Over: UNT HOWARD JOHNSON DITCH

00.20 E OF MERIDIAN ST, Marion, IN

Built 1968 Load: 26.1 t ADT: 2,143

SOUTH ROCKPORT RD

Poor

Over: BRANCH CLEAR CREEK

00.04 S BOLIN LANE, Monroe, IN

Built 1980 Load: 26.1 t ADT: 310

CR 300 SOUTH

Poor

Over: SIX MILE CREEK

00.10 W OF CR 550 E, Wells, IN

Built 1920 Load: 26.1 t ADT: 66

CR 650E

Poor

Over: CAMPBELL CREEK

00.10 N of CR 350 N, Delaware, IN

Built 1982 Load: 26.2 t ADT: 720

SR 26

Poor

Over: BOLEN DITCH

01.84 E US 27, Jay, IN

Built 1946 Load: 26.2 t ADT: 2,127

MARSHALL Rd

Poor

Over: Branch of ROARING Creek

00.10 N of CR 660 N, Parke, IN

Built 1970 Load: 26.2 t ADT: 471

CR 1050S

Poor

Over: PLEASANT TOWNSHIP DITCH

00.50 W CR 50 E, Porter, IN

Built 1930 Load: 26.2 t ADT: 200

CR 600W

Poor

Over: THOMPSON DITCH

00.50 N OF CR 200 N, Pulaski, IN

Built 1930 Load: 26.3 t ADT: 180

CLINTON ST

Poor

Over: BECKETT RUN

00.50 N AUBURN RD, Allen, IN

Built 1948 Load: 26.5 t ADT: 20,000

JOLIET STREET

Poor

Over: ST JOHN DITCH

00.40 E. of US 41, Lake, IN

Built 1969 Load: 26.5 t ADT: 5,542

VANDERGRIFF RD

Poor

Over: BUCK CREEK

00.45 E OF SENOUR RD, Marion, IN

Built 1958 Load: 26.5 t ADT: 237

WHEELING AVENUE

Poor

Over: HEDGELAND DITCH

00.08 S of CR 1070 N, Delaware, IN

Built 1965 Load: 26.6 t ADT: 1,460

CR 150E

Poor

Over: CROFT DITCH

00.43 S OF CR 300 N, Noble, IN

Built 1920 Load: 26.6 t ADT: 770

CR 600E

Poor

Over: CROOKED CREEK

00.70 N 200 N, Porter, IN

Built 1971 Load: 26.6 t ADT: 80

SR 43

Poor

Over: WALTERS DITCH

01.53 N SR 225, Tippecanoe, IN

Built 1989 Load: 26.6 t ADT: 7,604

CR 1200S

Poor

Over: A Kirkpatrick Ditch

00.35 W of CR 825 W, Tippecanoe, IN

Built 1960 Load: 26.6 t ADT: 22

CR 900 NORTH

Poor

Over: SNAIL CREEK

00.60 W OF CR 200 W, Shelby, IN

Built 1930 Load: 26.7 t ADT: 100

CR 700N

Poor

Over: LOW'S BRANCH

00.10 MI E OF CR 600 E, Randolph, IN

Built 1987 Load: 26.8 t ADT: 317

CR 975 S

Poor

Over: BRANCH OF MARIA CREEK

00.30 W OF CR 500 E, Sullivan, IN

Built 1910 Load: 26.8 t ADT: 110

GREEN ST

Poor

Over: CRIETZ CREEK

00.10 N of US 40, Wayne, IN

Built 1917 Load: 26.8 t ADT: 1,396

SR 38

Poor

Over: STOKER DITCH

04.75 E US 421, Boone, IN

Built 1966 Load: 26.9 t ADT: 329

ALSTOTT ROAD

Poor

Over: HIGHFILL CREEK

0.80 NW OF SYCAMORE ROAD, Crawford, IN

Built 1935 Load: 26.9 t ADT: 271

COTTAGE AVE

Poor

Over: ROCK RUN CREEK

00.10 N OF SR 4, Elkhart, IN

Built 1978 Load: 26.9 t ADT: 1,531

LITTLE CHICAGO RD

Poor

Over: MORSE RESERVOIR

01.46 N SR 38, Hamilton, IN

Built 1954 Load: 26.9 t ADT: 15,750

MCKEEVER STREET

Poor

Over: LOON CREEK

0.2 MI W OF MAIN ST, Huntington, IN

Built 1930 Load: 26.9 t ADT: 420

CR 1000 EAST

Poor

Over: TIPPECANOE RIVER

00.75 N OF CR 450 N, Kosciusko, IN

Built 1984 Load: 26.9 t ADT: 125

SR 51

Poor

Over: DEEP RIVER

02.00 N US 30, Lake, IN

Built 1962 Load: 26.9 t ADT: 8,220

CR 800E

Poor

Over: JAIN DITCH

00.20 S CR 500 N, Starke, IN

Built 1950 Load: 26.9 t ADT: 125

CR 700W

Poor

Over: Flint Creek

00.34 S of CR 500 S, Tippecanoe, IN

Built 1960 Load: 26.9 t ADT: 460

MONROEVILLE RD

Poor

Over: HOFFMAN DRAIN

00.10 W OF FACKLER RD, Allen, IN

Built 1960 Load: 27.0 t ADT: 1,071

WINTERS RD

Poor

Over: HARBER DRAIN

00.10 E BLUFFTON RD, Allen, IN

Built 1976 Load: 27.2 t ADT: 224

CR 46

Poor

Over: TURKEY CREEK

00.50 E OF CR 21, Elkhart, IN

Built 1966 Load: 27.2 t ADT: 1,718

CR 450W

Poor

Over: BRANCH OF SYMONS CREEK

00.40 N of CR 900 N, Fayette, IN

Built 1935 Load: 27.2 t ADT: 100

WAVERLY ROAD

Poor

Over: LITTLE CALUMET RIVER

00.10 N ACKERMAN RD, Porter, IN

Built 1966 Load: 27.2 t ADT: 5,130

CR 1450N

Poor

Over: SPRING CREEK

00.50 E CR 200 E, Vermillion, IN

Built 1970 Load: 27.2 t ADT: 117

Showing 18,101-18,150 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.