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

IRVING RD

Fair

Over: WILBUR DRAIN

00.75 E THIMLER ROAD, Allen, IN

Built 1970 Load: 32.7 t ADT: 245

ST JOE RD

Fair

Over: TIERNAN DRAIN

00.25 S FLUTTER ROAD, Allen, IN

Built 1996 Load: 32.7 t ADT: 11,375

WOODBURN RD

Fair

Over: LITZENBERG DRAIN

00.01 W STATE LINE ROAD, Allen, IN

Built 1990 Load: 32.7 t ADT: 1,535

HARTZELL RD

Fair

Over: DANNENFELSER DRAIN

00.30 N MOELLER RD, Allen, IN

Built 1973 Load: 32.7 t ADT: 4,500

LOWER HUNTINGTON R

Fair

Over: NATURAL DRAIN #2

00.40 E HOMESTEAD RD, Allen, IN

Built 1990 Load: 32.7 t ADT: 3,375

AIRPORT EXPY

Fair

Over: HARBER DRAIN

00.40 E AIRPORT DR, Allen, IN

Built 1972 Load: 32.7 t ADT: 15,000

COLUMBIA ST

Fair

Over: MAUMEE RIVER

00.10 W OF ST JOSEPH, Allen, IN

Built 1923 Load: 32.7 t ADT: 30,025

TECUMSEH ST

Fair

Over: MAUMEE RIVER

00.10 S OF EDGEWATER AVE, Allen, IN

Built 1913 Load: 32.7 t ADT: 4,235

TENNESSEE AVE

Fair

Over: ST JOSEPH RIVER

00.10 W OF ST JOSEPH, Allen, IN

Built 1912 Load: 32.7 t ADT: 3,025

W JEFFERSON BLVD

Fair

Over: MOORMAN DRAIN

00.60 N ENGLE RD, Allen, IN

Built 1948 Load: 32.7 t ADT: 38,000

W JEFFERSON BLVD

Fair

Over: ST MARYS RIVER

00.10 W WASHINGTON, Allen, IN

Built 1935 Load: 32.7 t ADT: 22,050

W JEFFERSON BLVD

Fair

Over: JUNK DRAIN

00.10 E W MAIN ST, Allen, IN

Built 1960 Load: 32.7 t ADT: 20,000

EDGERTON RD

Fair

Over: LOMONT DRAIN

00.15 W WEBSTER ROAD, Allen, IN

Built 1986 Load: 32.7 t ADT: 1,041

DAWKINS RD

Fair

Over: A MARTIN DRAIN

00.70 E GREEN ST, Allen, IN

Built 1947 Load: 32.7 t ADT: 15,000

E LINCOLN HWY

Fair

Over: TRIER DRAIN

00.20 E OF HARTZELL RD, Allen, IN

Built 1936 Load: 32.7 t ADT: 15,000

OLD 24

Fair

Over: LOMONT DRAIN

00.21 W BERTHAUD ROAD, Allen, IN

Built 1945 Load: 32.7 t ADT: 2,500

RUPP DRIVE

Fair

Over: NATURAL DRAIN

00.05 N OF SR 930, Allen, IN

Built 1980 Load: 32.7 t ADT: 260

BUCKEYE RUN

Fair

Over: SQUAW CREEK

00.20 S WALNUT RD, Allen, IN

Built 2005 Load: 32.7 t ADT: 108

NOYER RD

Fair

Over: BEAL-TAYLOR DRAIN

00.01 N SR 14, Allen, IN

Built 1982 Load: 32.7 t ADT: 542

MONROEVILLE RD

Fair

Over: MORGAN H O WHITE DRAIN

00.60 W STATE LINE ROAD, Allen, IN

Built 1983 Load: 32.7 t ADT: 1,175

HOBSON RD

Fair

Over: BALDWIN DRAIN

00.10 N LAKE AVE, Allen, IN

Built 1965 Load: 32.7 t ADT: 552

FELGER RD

Fair

Over: BUTT-HANNA DRAIN

00.20 N ARCOLA RD, Allen, IN

Built 1971 Load: 32.7 t ADT: 1,300

MADDEN RD

Fair

Over: MARTIN JOHNSON MAIN

00.32 N WATTERSON ROAD, Allen, IN

Built 1978 Load: 32.7 t ADT: 433

VALENTINE RD

Fair

Over: SUTORIOUS DRAIN

00.10 S DUPONT ROAD, Allen, IN

Built 1980 Load: 32.7 t ADT: 867

NOTESTINE RD

Fair

Over: LENGACHER DRAIN

00.45 E BARNETT ROAD, Allen, IN

Built 1980 Load: 32.7 t ADT: 468

EWING ST SB

Fair

Over: ST MARYS RIVER

00.10 N OF W SUPERIOR ST, Allen, IN

Built 1981 Load: 32.7 t ADT: 10,100

US 31, SR 46

Fair

Over: BRUSH CREEK

00.03 N SR 46 / SR 9, Bartholomew, IN

Built 2004 Load: 32.7 t ADT: 14,296

CR 200S

Fair

Over: LITTLE SAND CREEK

00.43 W OF CR 900 E, Bartholomew, IN

Built 1968 Load: 32.7 t ADT: 2,070

CR 800E

Fair

Over: DUCK CREEK

00.44 S OF CR 450 N, Bartholomew, IN

Built 1989 Load: 32.7 t ADT: 320

CR 875E

Fair

Over: OTTER CREEK

00.40 S OF CR 100 N, Bartholomew, IN

Built 1989 Load: 32.7 t ADT: 890

CR 200N

Fair

Over: FALL FORK CLIFTY CREEK

00.38 E OF CR 1100 E, Bartholomew, IN

Built 1979 Load: 32.7 t ADT: 1,050

CR 1000E

Fair

Over: CLIFTY CREEK

00.30 N OF SR 46, Bartholomew, IN

Built 1980 Load: 32.7 t ADT: 560

CR 800N

Fair

Over: FLATROCK RIVER

00.20 E OF CR 100 E, Bartholomew, IN

Built 1992 Load: 32.7 t ADT: 3,120

CR 600E

Fair

Over: HAW CREEK

00.15 N OF CR 600 N, Bartholomew, IN

Built 1984 Load: 32.7 t ADT: 520

CR 500S

Fair

Over: LITTLE SAND CREEK

01.06 W OF US 31, Bartholomew, IN

Built 1973 Load: 32.7 t ADT: 1,010

CR 400W

Fair

Over: BRANCH DRIFTWOOD RIVER

00.24 S CR 450 N, Bartholomew, IN

Built 1995 Load: 32.7 t ADT: 340

CR 800N

Fair

Over: BIG SLOUGH

00.18 W OF CR 100 W, Bartholomew, IN

Built 1974 Load: 32.7 t ADT: 2,382

CR 700N

Fair

Over: BIG SLOUGH

00.42 W OF CR 100 W, Bartholomew, IN

Built 1989 Load: 32.7 t ADT: 450

CR 660N

Fair

Over: LICK CREEK

00.07 E OF CR 400 W, Bartholomew, IN

Built 1997 Load: 32.7 t ADT: 190

CR 700S

Fair

Over: EAST FORK WHITE CREEK

00.37 E OF CR 250 W, Bartholomew, IN

Built 1905 Load: 32.7 t ADT: 10

CR 400S

Fair

Over: DENIOS CREEK

00.03 E OF SR 11, Bartholomew, IN

Built 1974 Load: 32.7 t ADT: 130

CR 260W

Fair

Over: DENIOS CREEK

00.85 S OF CR 200 S, Bartholomew, IN

Built 1960 Load: 32.7 t ADT: 670

PARK RD

Fair

Over: BRANCH DRIFTWOOD RIVER

00.21 SE OF 8TH STREET, Bartholomew, IN

Built 1986 Load: 32.7 t ADT: 400

CR 800S

Fair

Over: OVERFLOW-E FK WHITE R

00.84 E SR 11, Bartholomew, IN

Built 1973 Load: 32.7 t ADT: 2,600

CR 700E

Fair

Over: BRANCH OF CLIFTY CREEK

00.12 S OF CR 300 N, Bartholomew, IN

Built 1994 Load: 32.7 t ADT: 90

25TH ST

Fair

Over: SLOAN CREEK

00.45 E OF TALLEY RD, Bartholomew, IN

Built 1929 Load: 32.7 t ADT: 190

CR 700E

Fair

Over: BRANCH OF CLIFTY CREEK

00.36 S OF CR 300 N, Bartholomew, IN

Built 1994 Load: 32.7 t ADT: 90

CR 800N

Fair

Over: CARPENTER CREEK

00.20 E CR 800 E, Benton, IN

Built 1996 Load: 32.7 t ADT: 33

CR 300S

Fair

Over: MUD PINE CREEK

00.10 W of CR 100 E, Benton, IN

Built 1971 Load: 32.7 t ADT: 138

CR 100S

Fair

Over: LITTLE PINE CREEK

00.40 E of CR 1000 E, Benton, IN

Built 1986 Load: 32.7 t ADT: 55

Showing 5,801-5,850 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.