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

OLSON ROAD

Fair

Over: MUD CREEK

00.40 E OF CR 600 W, Fulton, IN

Built 1969 Load: 28.9 t ADT: 750

CR 1050 S

Fair

Over: JORDAN CREEK

00.90 W OF SR 68, Gibson, IN

Built 1971 Load: 28.9 t ADT: 100

RAYMOND STREET

Fair

Over: BIG EAGLE CREEK

00.10 E OF KENTUCKY AVENU, Marion, IN

Built 1966 Load: 28.9 t ADT: 18,272

SR 46

Fair

Over: RATTLESNAKE CREEK

02.37 W US 231, Owen, IN

Built 1985 Load: 28.9 t ADT: 7,300

US 231

Fair

Over: RATTLESNAKE CREEK

02.92 S SR 46, Owen, IN

Built 1934 Load: 28.9 t ADT: 6,591

STOCKTON RD

Fair

Over: HAUSER CREEK

00.00 W LICK CREEK RD, Owen, IN

Built 1970 Load: 28.9 t ADT: 190

CR 1000N

Fair

Over: GREEN CREEK

00.10 E of US 41, Parke, IN

Built 1939 Load: 28.9 t ADT: 101

AMOS ROAD

Fair

Over: CSX RAILROAD

00.50 S OF SR 44, Shelby, IN

Built 1969 Load: 28.9 t ADT: 1,125

LASALLE STREET

Fair

Over: EAST RACE WAY

00.20 E SR 933, St. Joseph, IN

Built 1993 Load: 28.9 t ADT: 13,061

CR 300 E

Fair

Over: BECHTOLD DITCH

00.30 N OF CR 1100 N, Wabash, IN

Built 1960 Load: 28.9 t ADT: 360

WEBSTER RD

Fair

Over: MCHENRY DRAIN

00.50 S PAULDING ROAD, Allen, IN

Built 1976 Load: 29.0 t ADT: 208

MERIDIAN Rd

Fair

Over: DEER Creek

00.31 S of SR 218, Carroll, IN

Built 1930 Load: 29.0 t ADT: 187

CR 800N

Fair

Over: NORTH FORK PRAIRIE CREEK

00.11 W of CR 1000 E, Daviess, IN

Built 1978 Load: 29.0 t ADT: 454

EAST LINCOLN AVE

Fair

Over: ROCK RUN CREEK

00.50 E SR 15, Elkhart, IN

Built 1927 Load: 29.0 t ADT: 5,693

CR 450E

Fair

Over: VILLAGE CREEK

00.60 S of SR 44, Fayette, IN

Built 1999 Load: 29.0 t ADT: 550

ALQUINA RD

Fair

Over: VILLAGE CREEK

00.10 E of CR 350 E, Fayette, IN

Built 1953 Load: 29.0 t ADT: 475

CR 400 N

Fair

Over: DRAIN OF YELLOW CREEK

00.50 W OF CR 775 E, Gibson, IN

Built 1982 Load: 29.0 t ADT: 100

S GARTHWAITE RD

Fair

Over: BRANCH OF WALNUT CREEK

00.10 MI S of E 38th STR, Grant, IN

Built 1955 Load: 29.0 t ADT: 4,870

CR 350E

Fair

Over: BARREN CREEK

01.16 MI S of SR 26, Grant, IN

Built 1960 Load: 29.0 t ADT: 210

CR 450S

Fair

Over: BRANCH OF W FORK MILL CR

00.70 E OF CR 525 W, Hendricks, IN

Built 1935 Load: 29.0 t ADT: 875

CR 400E

Fair

Over: BR OF W FK WHITE LICK CR

00.10 N OF CR 700 S, Hendricks, IN

Built 1935 Load: 29.0 t ADT: 600

CR 400 N

Fair

Over: HONEY CREEK

0.4 MI W CR 1000 E, Howard, IN

Built 1958 Load: 29.0 t ADT: 966

CR 300 S

Fair

Over: WILDCAT CREEK

0.6 MI E CR 1100 E, Howard, IN

Built 1956 Load: 29.0 t ADT: 226

CR 600 E

Fair

Over: KOKOMO CREEK

0.4 MI S CR 400 S, Howard, IN

Built 1920 Load: 29.0 t ADT: 292

CR 1025W

Fair

Over: BEAVER CREEK

0.7 MILES NORTH OF CR 550, Jay, IN

Built 1979 Load: 29.0 t ADT: 138

CR 700E

Fair

Over: LIMBERLOST CREEK

0.4 MILES NORTH OF CR 400, Jay, IN

Built 1973 Load: 29.0 t ADT: 277

SOUTH WHEATLAND RD

Fair

Over: KESSINGER DITCH

01.33 S S US 150 / 50, Knox, IN

Built 1981 Load: 29.0 t ADT: 130

ROBINSON ROAD

Fair

Over: KESSINGER DITCH

00.47 S OF US 150/50, Knox, IN

Built 1970 Load: 29.0 t ADT: 200

PRULLAGE ROAD

Fair

Over: SNAPP CREEK

00.12 NW OF HILLCREST ROA, Knox, IN

Built 1986 Load: 29.0 t ADT: 110

ROYAL OAK CHURCH

Fair

Over: FLAT CREEK

01.57 SW LONG ROAD, Knox, IN

Built 1991 Load: 29.0 t ADT: 130

MONROE SCHOOL ROAD

Fair

Over: BRANCH OF WILSON CREEK

00.54 S OF HICKORY CORNER, Knox, IN

Built 1992 Load: 29.0 t ADT: 130

MACLURE ROAD

Fair

Over: SNAPP CREEK

00.40 N OF WHEATLAND ROAD, Knox, IN

Built 1999 Load: 29.0 t ADT: 110

S. FILBERT ROAD

Fair

Over: NOAH BERGER DITCH

00.10 N OF E 16TH RD, Marshall, IN

Built 1924 Load: 29.0 t ADT: 100

FRIENDSHIP ROAD

Fair

Over: BRANCH OF N FORK SALT CR

00.10 N GROSS ROAD, Monroe, IN

Built 1986 Load: 29.0 t ADT: 49

CR 275 W

Fair

Over: CLARK DITCH

0.0 MI INT CR 825 S, Newton, IN

Built 1984 Load: 29.0 t ADT: 143

CR 700 W

Fair

Over: SHELDON DITCH NO 1

0.3 MI S US 24, Newton, IN

Built 1975 Load: 29.0 t ADT: 143

CR 200S

Fair

Over: FLAT CREEK

00.01 E CR 1100 E, Pike, IN

Built 1883 Load: 29.0 t ADT: 82

MERIDIAN LINE RD

Fair

Over: NORTH RAMP CREEK

00.30 S of CR 1100 N, Putnam, IN

Built 1990 Load: 29.0 t ADT: 130

CR 600S

Fair

Over: LITTLE FLATROCK RIVER

00.10 W OF CR 100 E, Rush, IN

Built 1935 Load: 29.0 t ADT: 100

CR 800 NORTH

Fair

Over: WEST LITTLE SUGAR CREEK

00.30 W OF CR 800 W, Shelby, IN

Built 1956 Load: 29.0 t ADT: 150

CR 200 EAST

Fair

Over: FOREMANS BRANCH

00.25 MI. S. OF CR 350 N, Shelby, IN

Built 1970 Load: 29.0 t ADT: 150

CR 500S

Fair

Over: NORTH FORK LEWIS CREEK

00.15 W OF SR 9, Shelby, IN

Built 1952 Load: 29.0 t ADT: 200

BEAR CREEK RD

Fair

Over: BEAR CREEK

01.10 N of KNIGGA RD, Switzerland, IN

Built 1950 Load: 29.0 t ADT: 100

NEW HARMONY RD

Fair

Over: BRANCH OF LITTLE CREEK

00.20 N OF DENZER RD, Vanderburgh, IN

Built 1940 Load: 29.0 t ADT: 629

CR 300W

Fair

Over: JONATHAN Creek

00.10 S of CR 140 S, Vermillion, IN

Built 1965 Load: 29.0 t ADT: 145

CR 900N

Fair

Over: COAL Branch

00.90 W of CR 100 W, Vermillion, IN

Built 1972 Load: 29.0 t ADT: 117

RUSH STREET

Fair

Over: SPLUNGE CREEK

00.60 N SR 159, Vigo, IN

Built 1975 Load: 29.0 t ADT: 188

PETTIFORD AVENUE

Fair

Over: SULPHUR CREEK

00.60 E CREAL ST, Vigo, IN

Built 1980 Load: 29.0 t ADT: 188

CENTERVILLE RD

Fair

Over: LOCUST CREEK

00.20 W of ABINGTON Pk, Wayne, IN

Built 1953 Load: 29.0 t ADT: 1,071

STRAIGHTLINE PK

Fair

Over: SHORT CREEK

00.20 N of BOSTON TWP Ln, Wayne, IN

Built 1971 Load: 29.0 t ADT: 709

Showing 4,501-4,550 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.