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

GREEN STREET

Fair

Over: PRAIRIE CREEK

0.10 W OF CATTERLINST, Clinton, IN

Built 1923 Load: 26.5 t ADT: 1,055

MAIN STREET

Fair

Over: WHISKEY RUN

0.10 N OF SR 64, Crawford, IN

Built 2008 Load: 26.5 t ADT: 820

Old HUNTINGBURG Rd

Fair

Over: PATOKA River

00.60 N of CR 400 S, Dubois, IN

Built 1995 Load: 26.5 t ADT: 971

Old Rd 64

Fair

Over: Branch of SUGAR Creek

00.30 W of CR 850 W, Dubois, IN

Built 1984 Load: 26.5 t ADT: 622

CR 50 S

Fair

Over: LOST CREEK

00.20 E OF CR 650 E, Gibson, IN

Built 1924 Load: 26.5 t ADT: 150

CR 700S

Fair

Over: MISSISSINEWA RIVER

01.70 W SR 22, Grant, IN

Built 1994 Load: 26.5 t ADT: 370

CR 1450 WEST

Fair

Over: BREWER DITCH

0.70 N OF CR 400 S, Greene, IN

Built 1950 Load: 26.5 t ADT: 110

CR 900N

Fair

Over: MIDDLE FK BIG WALNUT CR

00.01 W OF CR 475 W, Hendricks, IN

Built 1977 Load: 26.5 t ADT: 175

COMO ROAD

Fair

Over: DAYS CREEK

0.5 MILES SOUTH OF CR 800, Jay, IN

Built 1969 Load: 26.5 t ADT: 247

GOLDRING ROAD

Fair

Over: TRAIL CREEK

00.20 S CR 275 N, LaPorte, IN

Built 1984 Load: 26.5 t ADT: 950

CROSS ST

Fair

Over: KILLBUCK CREEK

00.30 W SR 109, Madison, IN

Built 1955 Load: 26.5 t ADT: 13,709

ARLINGTON AVE

Fair

Over: PLEASANT RUN

00.33 N OF WASHINGTON ST, Marion, IN

Built 1949 Load: 26.5 t ADT: 23,622

SR 19

Fair

Over: HONEY CREEK

01.78 N SR 18, Miami, IN

Built 1933 Load: 26.5 t ADT: 1,481

HARMONY ROAD

Fair

Over: INDIAN CREEK

0.1 MI SOUTH WEST ISON RD, Monroe, IN

Built 1965 Load: 26.5 t ADT: 1,761

BUSINESS 37 N

Fair

Over: GRIFFY CREEK

0.1 MI N OF OLD SR 37 N, Monroe, IN

Built 1940 Load: 26.5 t ADT: 11,194

CR 50E

Fair

Over: CLINE CREEK

00.10 S of CR 1400 N, Putnam, IN

Built 1930 Load: 26.5 t ADT: 110

CR 600W

Fair

Over: LITTLE WALNUT CREEK

00.10 N of CR 350 N, Putnam, IN

Built 1991 Load: 26.5 t ADT: 750

CR 800W

Fair

Over: HATFIELD DITCH

00.32 S of CR 150 N, Spencer, IN

Built 1995 Load: 26.5 t ADT: 250

SR 933

Fair

Over: ST JOSEPH RIVER

01.59 N SR 23, St. Joseph, IN

Built 1914 Load: 26.5 t ADT: 30,522

CR 350S

Fair

Over: POLYWOG CREEK

00.30 W OF CR 700 E, Tipton, IN

Built 1994 Load: 26.5 t ADT: 250

SR 15

Fair

Over: SILVER CREEK

01.42 S SR 114, Wabash, IN

Built 1937 Load: 26.5 t ADT: 4,014

CR 25E

Fair

Over: Drainage Ditch

00.01 S of CR 850 N, Warren, IN

Built 1964 Load: 26.5 t ADT: 170

W.E. OLER RD

Fair

Over: GREENS FORK

00.10 E of LEWIS Rd, Wayne, IN

Built 1992 Load: 26.5 t ADT: 506

CLYDE OLER RD

Fair

Over: BRANCH OF GREENS FORK

00.20 W of LEWIS Rd, Wayne, IN

Built 1960 Load: 26.5 t ADT: 146

CR 700S

Fair

Over: EMGE DITCH

00.24 W CR 300 E, White, IN

Built 1990 Load: 26.5 t ADT: 120

CR 800S

Fair

Over: EAST FORK WHITE CREEK

01.02 E OF CR 250 W, Bartholomew, IN

Built 1978 Load: 26.6 t ADT: 10

CR 800E

Fair

Over: CARPENTER CREEK

00.40 N of CR 700 N, Benton, IN

Built 1970 Load: 26.6 t ADT: 55

SR 167

Fair

Over: BIG LICK CREEK

03.75 S SR 26, Blackford, IN

Built 1984 Load: 26.6 t ADT: 1,286

I-465 WB

Fair

Over: ABANDONED RR

01.51 W US 421, Boone, IN

Built 1967 Load: 26.6 t ADT: 49,259

CR 1000W

Fair

Over: LITTLE SUGAR CREEK

01.00 N OF SR 32, Boone, IN

Built 1920 Load: 26.6 t ADT: 120

CR 1175W

Fair

Over: WALNUT FORK OF SUGAR CR

00.35 N OF CR 200 S, Boone, IN

Built 1930 Load: 26.6 t ADT: 120

CR 675W

Fair

Over: W FORK BIG WALNUT CREEK

00.20 N OF CR 800 S, Boone, IN

Built 1988 Load: 26.6 t ADT: 10

SR 135

Fair

Over: PLEASANT VALLEY CREEK

05.00 S SR 46, Brown, IN

Built 1985 Load: 26.6 t ADT: 488

SR 75

Fair

Over: DEER CREEK

00.46 S SR 218, Carroll, IN

Built 1965 Load: 26.6 t ADT: 1,178

CR 300W

Fair

Over: DITCH TO PRAIRIE CREEK

00.01 N of CR 150 N, Daviess, IN

Built 1991 Load: 26.6 t ADT: 171

CR 13

Fair

Over: YELLOW CREEK

00.50 W OF US 33, Elkhart, IN

Built 1961 Load: 26.6 t ADT: 1,515

MIRIAM ST

Fair

Over: BERLIN COURT DITCH

00.10 N OF US 6, Elkhart, IN

Built 1980 Load: 26.6 t ADT: 1,872

CR 300N

Fair

Over: LICK CREEK

00.10 E of CR 150 W, Fayette, IN

Built 1978 Load: 26.6 t ADT: 1,000

SR 341

Fair

Over: BIG SHAWNEE CREEK

01.47 S SR 28, Fountain, IN

Built 1956 Load: 26.6 t ADT: 1,536

CR 825 S

Fair

Over: SMITH FORK

00.40 W OF SR 57, Gibson, IN

Built 1991 Load: 26.6 t ADT: 100

SR 54

Fair

Over: INDIANA RR CO

00.49 E US 231 / SR 157, Greene, IN

Built 1982 Load: 26.6 t ADT: 7,750

SR 59

Fair

Over: BLACK CREEK DITCH

03.26 S SR 54, Greene, IN

Built 1920 Load: 26.6 t ADT: 2,279

206TH ST EAST

Fair

Over: LOCK DITCH

00.55 E OF OLIO RD, Hamilton, IN

Built 1971 Load: 26.6 t ADT: 1,260

SR 234

Fair

Over: SUGAR CREEK

01.48 W SR 9, Hancock, IN

Built 1950 Load: 26.6 t ADT: 3,573

SR 62

Fair

Over: SMITH CREEK

02.76 W SR 11, Harrison, IN

Built 1992 Load: 26.6 t ADT: 3,441

SR 135

Fair

Over: LICK RUN CREEK

01.04 N of SR 11, Harrison, IN

Built 1970 Load: 26.6 t ADT: 4,766

SR 236

Fair

Over: M FORK BIG WALNUT CREEK

00.14 E SR 75, Hendricks, IN

Built 1952 Load: 26.6 t ADT: 1,655

CR 1000 NORTH

Fair

Over: EAST FORK CLEAR CREEK

0.3 W OF CR 300 N, Huntington, IN

Built 1970 Load: 26.6 t ADT: 210

CR 25E

Fair

Over: Beatty Walker Ditch

00.02 N of CR 450 N, Jackson, IN

Built 1975 Load: 26.6 t ADT: 485

CR 850E

Fair

Over: LITTLE BRUSHY FORK CREEK

00.05 S of LITTLE BRUSHY, Jefferson, IN

Built 1989 Load: 26.6 t ADT: 100

Showing 3,801-3,850 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.