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

OLD PRINCETON RD

Fair

Over: BRANCH OF POND FLAT DIT

00.10 S OF ADLER RD, Vanderburgh, IN

Built 1979 Load: 25.1 t ADT: 1,231

CLAREMONT RD

Fair

Over: CARPENTIER CREEK

00.10 W OF TEKOPPEL AVE, Vanderburgh, IN

Built 1976 Load: 25.1 t ADT: 4,429

TWIN BRIDGES ROAD

Fair

Over: LITTLE PIGEON CREEK

01.86 MI E SR 161, Warrick, IN

Built 1989 Load: 25.1 t ADT: 135

HERITAGE CHAPEL RD

Fair

Over: W FORK BLUE RIVER

00.20 S of SR 56, Washington, IN

Built 1917 Load: 25.1 t ADT: 282

JERRY MYERS RD

Fair

Over: WHITEWATER RIVER

00.20 W of TREATY LINE Rd, Wayne, IN

Built 1996 Load: 25.1 t ADT: 186

DELAWARE ST

Fair

Over: WHITEWATER RIVER

00.40 W of CAMBRIDGE Rd, Wayne, IN

Built 1952 Load: 25.1 t ADT: 2,398

CR 600 EAST

Fair

Over: STAUB DITCH

0.10 MILES N OF CR 1000 N, Adams, IN

Built 1965 Load: 25.2 t ADT: 68

GAR CREEK RD

Fair

Over: LOMONT DRAIN

00.30 E BERTHAUD ROAD, Allen, IN

Built 1976 Load: 25.2 t ADT: 260

CR 400S

Fair

Over: Conneley Ditch

00.10 E of River Rd, Clay, IN

Built 1975 Load: 25.2 t ADT: 150

CR 750 S

Fair

Over: HALFMOON DITCH

00.30 E OF CR 850 E, Gibson, IN

Built 1968 Load: 25.2 t ADT: 115

OOLEY ROAD

Fair

Over: BRANCH OF WHITE RIVER

0.10 S OF JOHNSON ROAD, Greene, IN

Built 2003 Load: 25.2 t ADT: 110

CR 247

Fair

Over: Oil Creek

00.10 W of CR 41, Perry, IN

Built 1964 Load: 25.2 t ADT: 100

SR 46 EB

Fair

Over: EAST FORK WHITE RIVER

00.12 E SR 11, Bartholomew, IN

Built 1999 Load: 25.3 t ADT: 22,002

US 421

Fair

Over: BRIDGE CREEK

01.84 N SR 18 S JCT, Carroll, IN

Built 1986 Load: 25.3 t ADT: 6,613

UTICA PIKE

Fair

Over: LANCASSANGE CREEK

00.30 N of Catalpa Drive, Clark, IN

Built 1967 Load: 25.3 t ADT: 4,380

CR 100 EAST

Fair

Over: MANN DITCH

0.10 N OF KELLY ROAD, Clinton, IN

Built 1958 Load: 25.3 t ADT: 2,105

CR 250E

Fair

Over: EAGAN DITCH

00.58 N of CR 350 N, Daviess, IN

Built 1996 Load: 25.3 t ADT: 137

SR 3

Fair

Over: CLIFTY CREEK

04.28 N I-74, Decatur, IN

Built 1983 Load: 25.3 t ADT: 4,809

CR 800E

Fair

Over: STONEY CREEK

00.35 S of CR 600 S, Delaware, IN

Built 1984 Load: 25.3 t ADT: 10

CR 43

Fair

Over: ROWE-EDEN DITCH

00.30 S US 20, Elkhart, IN

Built 1976 Load: 25.3 t ADT: 818

SR 65

Fair

Over: SKELTON CREEK

01.23 S SR 64, Gibson, IN

Built 1958 Load: 25.3 t ADT: 4,110

SR 68

Fair

Over: BIG CREEK

00.76 E SR 65, Gibson, IN

Built 2002 Load: 25.3 t ADT: 916

CR 825 S

Fair

Over: WIRTH DITCH

00.50 W OF SR 57, Gibson, IN

Built 1992 Load: 25.3 t ADT: 115

9TH ST

Fair

Over: BACK CREEK

00.05 MI W of FAIRMOUNT A, Grant, IN

Built 1960 Load: 25.3 t ADT: 1,050

281ST ST EAST

Fair

Over: LITTLE CICERO CREEK

01.59 E US 31, Hamilton, IN

Built 1975 Load: 25.3 t ADT: 50

GREENFIELD PIKE

Fair

Over: WILSON DITCH

00.71 W OF SR 37, Hamilton, IN

Built 1987 Load: 25.3 t ADT: 14,770

BIG INDIAN RD

Fair

Over: BRUSH HEAP CREEK

00.70 E OF TEE RD, Harrison, IN

Built 2007 Load: 25.3 t ADT: 240

I-70 EB

Fair

Over: WHITE LICK CREEK

01.08 W SR 267, Hendricks, IN

Built 1966 Load: 25.3 t ADT: 65,674

I-70 WB

Fair

Over: WHITE LICK CREEK

01.08 W SR 267, Hendricks, IN

Built 1966 Load: 25.3 t ADT: 65,674

CR 200N

Fair

Over: FLATROCK RIVER

00.25 W OF CR 600 E, Henry, IN

Built 1981 Load: 25.3 t ADT: 208

SR 135

Fair

Over: LITTLE SALT CREEK

00.02 S SR 58, Jackson, IN

Built 1984 Load: 25.3 t ADT: 1,396

CR 400 EAST

Fair

Over: HURRICANE CREEK

0.20 N OF CR 100 N, Johnson, IN

Built 1977 Load: 25.3 t ADT: 90

SR 9

Fair

Over: STAR CREEK

01.89 N SR 28, Madison, IN

Built 1960 Load: 25.3 t ADT: 4,331

SR 19

Fair

Over: PRAIRIE DITCH

00.12 S US 24, Miami, IN

Built 1992 Load: 25.3 t ADT: 2,454

SR 42

Fair

Over: LITTLE WHITE LICK CREEK

00.07 W SR 67, Morgan, IN

Built 1958 Load: 25.3 t ADT: 17,039

SR 145

Fair

Over: BRANCH MAGGITY BRANCH

04.10 S SR 62, Perry, IN

Built 1984 Load: 25.3 t ADT: 660

CR 500S

Fair

Over: GREIGER DITCH

00.40 W CR 650 E, Porter, IN

Built 1930 Load: 25.3 t ADT: 140

CR 725E

Fair

Over: North Fork Wildcat Creek

01.13 N of CR 100 N, Tippecanoe, IN

Built 1981 Load: 25.3 t ADT: 1,016

SAWMILL RD

Fair

Over: DURKEE'S RUN

00.33 W of 4thSt, Tippecanoe, IN

Built 1984 Load: 25.3 t ADT: 500

BROADWAY AVE

Fair

Over: BRANCH OF BAYOU CREEK

00.90 W OF BAYOU CREEK RD, Vanderburgh, IN

Built 1935 Load: 25.3 t ADT: 930

I-70 EB

Fair

Over: WABASH RIVER

01.43 W US 41, Vigo, IN

Built 1964 Load: 25.3 t ADT: 14,131

I-70 WB

Fair

Over: WABASH RIVER

01.43 W US 41, Vigo, IN

Built 1964 Load: 25.3 t ADT: 14,077

CR 300 N

Fair

Over: LAGRO CREEK

00.10 E OF CR 500 E, Wabash, IN

Built 1976 Load: 25.3 t ADT: 360

SR 39

Fair

Over: HENRY CREEK

01.30 N SR 56, Washington, IN

Built 1985 Load: 25.3 t ADT: 833

BLUE RIVER CHURCH

Fair

Over: MIDDLE FORK BLUE RIVER

01.80 S RUDDER RD, Washington, IN

Built 1975 Load: 25.3 t ADT: 338

ELLISON RD

Fair

Over: GRAHAM MCCULLOCH DRAIN

00.80 S US 24, Allen, IN

Built 1945 Load: 25.4 t ADT: 2,550

RICHARDS ROAD

Fair

Over: BEAR CREEK

0.30 MI. N. BEAR CREEK RD, Brown, IN

Built 1974 Load: 25.4 t ADT: 100

CR 350E

Fair

Over: WILDCAT CREEK

00.71 S CR 350 S, Carroll, IN

Built 1976 Load: 25.4 t ADT: 165

CR 100E

Fair

Over: ROCK CREEK

00.04 N of CR 700 N, Carroll, IN

Built 1966 Load: 25.4 t ADT: 145

CR 825E

Fair

Over: WABASH RIVER

00.01 N OF CR 125 S, Cass, IN

Built 1913 Load: 25.4 t ADT: 210

Showing 3,451-3,500 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.