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

WONJU

Fair

Over: MIDDLE FORK CRK TRIB

0.12 MILE NORTH OF C RD, Jefferson, IN

Built 1900 Load: 16.3 t ADT: 5

CR 700 NORTH

Fair

Over: DRAINAGE DITCH

0.25 E OF CR 750 E, Johnson, IN

Built 1988 Load: 16.3 t ADT: 3,191

MCMULLING ROAD

Fair

Over: FRICK DITCH

00.24 W OF LONG ROAD, Knox, IN

Built 1970 Load: 16.3 t ADT: 50

CR 700S

Fair

Over: MARTINDALE CREEK

00.30 MI W OF CR 300 W, Randolph, IN

Built 1930 Load: 16.3 t ADT: 107

CR 700 E

Fair

Over: BRANCH OF POLLARD DITCH

00.23 S OF CR 1100 S, Sullivan, IN

Built 1940 Load: 16.3 t ADT: 110

CR 500 E

Fair

Over: BRANCH OF MARIA CREEK

00.14 S OF CR 975 S, Sullivan, IN

Built 1925 Load: 16.3 t ADT: 110

CR 450 W

Fair

Over: BUSSERON CREEK

00.08 N OF CR 1050 S, Sullivan, IN

Built 1930 Load: 16.3 t ADT: 110

OLD BUFFALO TRAIL

Fair

Over: BRANCH OF RODGERS DITCH

00.01 N OF CR 550 S, Sullivan, IN

Built 1930 Load: 16.3 t ADT: 140

CR 250 E

Fair

Over: ROBBINS BRANCH

00.26 S OF CR 350 S, Sullivan, IN

Built 1930 Load: 16.3 t ADT: 110

CR 300 S

Fair

Over: BRANCH OF BUTTERMILK CRK

00.46 E OF CR 450 E, Sullivan, IN

Built 1935 Load: 16.3 t ADT: 110

CR 300 S

Fair

Over: BRANCH OF BUTTERMILK CRK

00.07 W OF CR 600 E, Sullivan, IN

Built 1935 Load: 16.3 t ADT: 110

CR 50 N

Fair

Over: MORRISON CREEK

00.39 E OF CR 150 E, Sullivan, IN

Built 1935 Load: 16.3 t ADT: 170

CR 850 N

Fair

Over: HANGER CREEK

00.34 W OF CR 200 W, Sullivan, IN

Built 1935 Load: 16.3 t ADT: 110

CR 650 N

Fair

Over: KETTLE CREEK

00.14 E OF N JACKSON ST, Sullivan, IN

Built 1935 Load: 16.3 t ADT: 190

CR 750 N

Fair

Over: SULPHUR CREEK

00.43 E OF CR 725 E, Sullivan, IN

Built 1923 Load: 16.3 t ADT: 110

CR 500 WEST

Fair

Over: EIGHT MILE CREEK

00.15 S OF CR 1200 N, Wells, IN

Built 1920 Load: 16.3 t ADT: 100

BUSINESS 31

Fair

Over: WABASH RIVER

0.20 S OF W MAIN STREET, Miami, IN

Built 1939 Load: 16.4 t ADT: 9,131

CR 1100N

Fair

Over: SMOTHERS CREEK

00.21 E of CR 475 E, Daviess, IN

Built 1996 Load: 16.5 t ADT: 97

RACEWAY RD

Fair

Over: E FORK OF WHITE LICK CR

00.30 S OF CR 200 N, Hendricks, IN

Built 1971 Load: 16.5 t ADT: 14,250

CR 725S

Fair

Over: BUCK CREEK

00.30 E OF CR 125 W, Henry, IN

Built 1995 Load: 16.5 t ADT: 100

CR 150E

Fair

Over: BUCK CREEK

00.20 S OF CR 950 N, Henry, IN

Built 2002 Load: 16.5 t ADT: 50

CR 500N

Fair

Over: HONEY CREEK

00.25 W of US 231, Spencer, IN

Built 1988 Load: 16.5 t ADT: 320

HOLLINGSWORTH RD

Fair

Over: LITTLE EAGLE CREEK

00.20 S OF 62ND ST, Marion, IN

Built 1902 Load: 16.6 t ADT: 634

12TH ST

Fair

Over: LOST CREEK

00.10 N of SYCAMORE, Vermillion, IN

Built 1929 Load: 16.6 t ADT: 249

CR 100 N

Fair

Over: INDIAN CREEK

00.40 E OF CR 150 E, Gibson, IN

Built 1969 Load: 16.7 t ADT: 120

HAROLD TURNER ROAD

Fair

Over: SALT CREEK

00.01 W OF LOGAN BOT, Lawrence, IN

Built 1968 Load: 16.7 t ADT: 208

SCHMALZREID RD

Fair

Over: RAGER DITCH

00.20 S OF US 24, Wabash, IN

Built 1970 Load: 16.7 t ADT: 250

OWENSBURG ROAD

Fair

Over: MITCHELL BRANCH

0.40 N OF INMAN ROAD, Greene, IN

Built 1950 Load: 16.8 t ADT: 280

BROUILLETTE ROAD

Fair

Over: BRANCH OF SNAPP CREEK

00.89 NW OF WHEATLAND RD, Knox, IN

Built 2009 Load: 16.8 t ADT: 140

BRICKYARD ROAD

Fair

Over: BOGGS CREEK

0.04 N OF US 50, Martin, IN

Built 1848 Load: 16.8 t ADT: 430

CR 900S

Fair

Over: N Branch OTTER Creek

00.90 W of SR 59, Parke, IN

Built 1930 Load: 16.8 t ADT: 327

GOOSE CREEK RD

Fair

Over: GOOSE CREEK

00.30 S of BODEY HILL RD, Switzerland, IN

Built 1999 Load: 16.8 t ADT: 100

FAIRVIEW ST

Fair

Over: PIPE CREEK

00.20 N 4TH ST, Madison, IN

Built 1945 Load: 16.9 t ADT: 715

WASHINGTON AVE

Fair

Over: WHITE RIVER

00.04 SE of WHITE RIVER B, Delaware, IN

Built 1930 Load: 17.0 t ADT: 1,650

CR 530E

Fair

Over: WOLF CREEK

00.30 S of ZACKMIRE RD, Fountain, IN

Built 1935 Load: 17.0 t ADT: 100

CR 1200 E

Fair

Over: EAST FORK OF KEG CREEK

00.60 S OF CR 350 S, Gibson, IN

Built 1935 Load: 17.0 t ADT: 150

CR 900N

Fair

Over: O'BRIEN CREEK

00.40 MI W OF US 27, Randolph, IN

Built 1965 Load: 17.0 t ADT: 136

CR 250 S

Fair

Over: SCOTT DITCH

00.10 S OF CR 250 S, Gibson, IN

Built 1970 Load: 17.1 t ADT: 40

CR 225 W

Fair

Over: MCGARY DITCH

00.50 N OF SR 168, Gibson, IN

Built 1974 Load: 17.1 t ADT: 100

SCTSVILLE-NAVILLE.

Fair

Over: LITTLE INDIAN CREEK

00.00 INT OF MARY NAVILLE, Floyd, IN

Built 1977 Load: 17.2 t ADT: 468

CR 300E

Fair

Over: CLIFT DITCH

00.25 N OF CR 875 N, Henry, IN

Built 1996 Load: 17.2 t ADT: 131

MAYS ROAD

Fair

Over: PLASS DITCH

00.59 E OF US 41, Knox, IN

Built 1925 Load: 17.2 t ADT: 154

CR 8

Fair

Over: Branch of Neglie Creek

00.60 E of CR 70(Starlite, Perry, IN

Built 1965 Load: 17.2 t ADT: 200

CR 650W

Fair

Over: MUD CREEK

00.40 N OF BASE RD, Rush, IN

Built 1975 Load: 17.2 t ADT: 100

S COUNTY LINE RD

Fair

Over: BRANCH OF MARIA CREEK

00.30 N OF LINN RD., Sullivan, IN

Built 1920 Load: 17.2 t ADT: 110

CR 100 W

Fair

Over: BUSSERON CREEK

00.49 N OF CR 500 S, Sullivan, IN

Built 1930 Load: 17.2 t ADT: 190

CR 75 N

Fair

Over: TURTLE CREEK

00.69 E OF CR 600 W, Sullivan, IN

Built 1989 Load: 17.2 t ADT: 110

FRANKLIN CHURCH RD

Fair

Over: BR W FORK BLUE RIVER

00.30 S of SR 56, Washington, IN

Built 1990 Load: 17.2 t ADT: 238

CR 800S

Fair

Over: SUGAR MILL CREEK

00.90 W of COUNTY LINE RD, Fountain, IN

Built 1935 Load: 17.3 t ADT: 100

CR 700 N

Fair

Over: BEAVER LAKE DITCH

0.1 MI W US 41, Newton, IN

Built 1916 Load: 17.3 t ADT: 52

Showing 2,501-2,550 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.