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

NEWARK ROAD

Poor

Over: LICK CREEK

0.20 S OF COUNTY LINE, Greene, IN

Built 1935 Load: 19.3 t ADT: 110

CR 700 SOUTH

Poor

Over: CALICO SLASH DITCH

0.60 E OF CR 1225 W, Greene, IN

Built 1976 Load: 19.3 t ADT: 110

BEECHWOOD AVENUE

Poor

Over: BRANCH FRENCH LICK CREEK

0.10 E OF SR 56, Orange, IN

Built 1925 Load: 19.3 t ADT: 900

CR 1

Poor

Over: BAUGO CREEK

00.50 N OF CR 24, Elkhart, IN

Built 1977 Load: 19.4 t ADT: 647

CR 75 EAST

Poor

Over: SOUTH FORK LEWIS CREEK

00.75 N OF CR 800 S, Shelby, IN

Built 1910 Load: 19.5 t ADT: 100

SOUTH M ST

Poor

Over: LITTLE DUCK CREEK

00.10 W 24TH ST, Madison, IN

Built 1930 Load: 19.6 t ADT: 281

WHITE HILL RD

Poor

Over: BRANCH OF SIXMILE CREEK

0.4 S OF BEAMER STAT RD, Owen, IN

Built 1940 Load: 19.7 t ADT: 200

FERNDALE Rd

Poor

Over: ROCKY Fork Creek

00.40 W of CR 1200 E, Parke, IN

Built 1925 Load: 19.7 t ADT: 331

DOVE HILL ROAD

Poor

Over: FIRST CREEK

0.90 S OF SCOT. NEWBERRY, Greene, IN

Built 1976 Load: 19.8 t ADT: 434

CR 150W

Poor

Over: FLATROCK RIVER

00.10 N OF CR 1050 S, Shelby, IN

Built 1900 Load: 19.9 t ADT: 175

CR 410N

Poor

Over: CLIFTY CREEK

00.20 NW OF SR 46, Bartholomew, IN

Built 1911 Load: 20.0 t ADT: 130

MANSFIELD ROAD

Poor

Over: TURKEY FORK

1.00 W OF TWO BIT ROAD, Crawford, IN

Built 1908 Load: 20.0 t ADT: 40

CENTRAL AVE

Poor

Over: GAS CREEK

00.10 E OF LINCOLN ST, Decatur, IN

Built 1930 Load: 20.0 t ADT: 2,350

CR 700 NORTH

Poor

Over: CAMPBELL DITCH

0.15 E OF CR 600 E, Johnson, IN

Built 1978 Load: 20.0 t ADT: 3,191

NEW HARMONY ROAD

Poor

Over: TRIBUTARY OF PIGEON CREE

00.53 MI W OF WASSON RD, Warrick, IN

Built 1930 Load: 20.0 t ADT: 339

N LUTHER RD

Poor

Over: LITTLE INDIAN CREEK

00.10 N OF DUFFY RD, Floyd, IN

Built 1968 Load: 20.1 t ADT: 244

US 52

Poor

Over: NORFOLK & SOUTHERN RR

01.09 E US 231, Tippecanoe, IN

Built 1935 Load: 20.1 t ADT: 11,240

CR 175 S

Poor

Over: WILDCAT CREEK

0.2 MI E CR 1000 E, Howard, IN

Built 1968 Load: 20.2 t ADT: 151

FOUNTAIN CITY PK

Poor

Over: NOLANDS FORK

00.10 E of SR 27, Wayne, IN

Built 1948 Load: 20.2 t ADT: 649

FERNDALE Rd

Poor

Over: Branch of Big RACCOON Cr

00.05 W of MARTIN Rd, Parke, IN

Built 1958 Load: 20.3 t ADT: 536

C-BURG & LIVONIA

Poor

Over: LOST River

00.40 S of LOST RIVER Rd, Washington, IN

Built 1966 Load: 20.4 t ADT: 225

CR 750 W

Poor

Over: UNGER DITCH

00.10 S OF COOPER RD, Wabash, IN

Built 1967 Load: 20.5 t ADT: 220

CR 425E

Poor

Over: DRY Run

00.50 S of CR 200 N, Fountain, IN

Built 1910 Load: 20.6 t ADT: 117

BROAD STREET

Poor

Over: CADY MARSH DITCH

00.40 S of RIDGE RD, Lake, IN

Built 1970 Load: 20.7 t ADT: 16,840

CR 300S

Poor

Over: LUDINGTON DITCH

00.40 E CR 500 W, Porter, IN

Built 1972 Load: 20.7 t ADT: 340

CR 800W

Poor

Over: BRANCH OF LONG BRANCH CR

00.50 S of CR 75 S, Putnam, IN

Built 1920 Load: 20.7 t ADT: 100

FRANKLIN BOTTOMS

Poor

Over: CAMMIE THOMAS DITCH

00.80 SW COUNTY LINE RD, Washington, IN

Built 1930 Load: 20.7 t ADT: 44

N. MAIN STREET

Poor

Over: CHRISTIANA CREEK

00.40 S OF SIMONTON STR., Elkhart, IN

Built 1952 Load: 20.8 t ADT: 4,615

CR 1100 S

Poor

Over: DEER CREEK

02.33 E SR 37, Grant, IN

Built 1976 Load: 20.8 t ADT: 160

REED RD

Poor

Over: PIERSON DRAIN #2

00.10 N OF CARIBE BLVD, Allen, IN

Built 1976 Load: 20.9 t ADT: 308

NEWARK ROAD

Poor

Over: DRY BRANCH

0.10 E OF SHUTE FARM RD, Greene, IN

Built 1940 Load: 20.9 t ADT: 230

LOUDERMILK ROAD

Poor

Over: FLAT CREEK

01.00 NE OF STATE ROAD 55, Knox, IN

Built 1940 Load: 21.0 t ADT: 50

OLD LINCOLN HWY.

Poor

Over: DEEP RIVER

00.00 Int of COUNTY LINE, Lake, IN

Built 1992 Load: 21.0 t ADT: 9,563

NORTH PIKE ROAD

Poor

Over: GULLETTS CREEK

00.31 S OF JUDAH ROAD, Lawrence, IN

Built 1975 Load: 21.0 t ADT: 160

JONES ROAD

Poor

Over: CAMP FORK CREEK

0.20 S OF TEMPLE ROAD, Crawford, IN

Built 1935 Load: 21.1 t ADT: 141

CR 100 NORTH

Poor

Over: LOON CREEK

0.1 MI W OF CR 975 W, Huntington, IN

Built 1973 Load: 21.2 t ADT: 157

CR 300S

Poor

Over: Lost Creek

00.44 E of CR 500 W, Tippecanoe, IN

Built 1965 Load: 21.2 t ADT: 405

MONROEVILLE RD

Poor

Over: FLATROCK CREEK

00.10 E OF SR 101, Allen, IN

Built 1975 Load: 21.3 t ADT: 1,148

DEEP CUT LAKE ROAD

Poor

Over: BEAVER CREEK

0.16 S OF SR 650, Martin, IN

Built 1890 Load: 21.3 t ADT: 63

CR 650N

Poor

Over: Little RACCOON Creek

00.20 E of SADDLE CLB Rd, Parke, IN

Built 1856 Load: 21.3 t ADT: 132

SLATE CUT RD

Poor

Over: STUCKER DITCH

00.37 N OF SR 56, Scott, IN

Built 1960 Load: 21.3 t ADT: 720

SR 234

Poor

Over: RACCOON CREEK

06.91 E US 231, Montgomery, IN

Built 1941 Load: 21.4 t ADT: 1,730

CR 575 WEST

Poor

Over: NORTH PRONG STOTTS CR

0.20 N OF CR 100 N, Johnson, IN

Built 1968 Load: 21.5 t ADT: 331

CR 900S

Poor

Over: SUGAR MILL CREEK

00.30 E of CR 675 E, Fountain, IN

Built 1963 Load: 21.6 t ADT: 125

LEISURE LANE

Poor

Over: PLEASANT RUN CREEK

0.02 N OF FAIRVIEW ROAD, Johnson, IN

Built 1955 Load: 21.6 t ADT: 2,061

TUNNELTON DENNISON

Poor

Over: GUTHRIE CREEK

0.36 N OF DEVILS BACKBONE, Lawrence, IN

Built 1970 Load: 21.6 t ADT: 183

CR 675W

Poor

Over: CROOKED CREEK

0.40 MILES S OF SR 120, Steuben, IN

Built 1967 Load: 21.6 t ADT: 431

MDL JAMESTOWN RD

Poor

Over: CUNNINGHAM DITCH

00.30 N OF CR 400 S, Boone, IN

Built 1930 Load: 21.7 t ADT: 120

SPRINGERSVILLE RD

Poor

Over: SIMPSON CREEK

00.20 W of CR 550 E, Fayette, IN

Built 1960 Load: 21.7 t ADT: 425

CR 900W

Poor

Over: PIPE CREEK

00.77 MI. N. of SR 18, Grant, IN

Built 1920 Load: 21.7 t ADT: 160

Showing 17,951-18,000 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.