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

BONO ROAD

Fair

Over: SUGAR CREEK

00.98 S OF BONO ROAD, Lawrence, IN

Built 1925 Load: 29.4 t ADT: 126

JUDAH LOGAN ROAD

Fair

Over: SALT CREEK

00.88 E OF McFADDEN RIDGE, Lawrence, IN

Built 1966 Load: 29.4 t ADT: 254

56TH ST

Fair

Over: EAGLE CREEK RESERVOIR

01.10 MI E OF RACEWAY RD, Marion, IN

Built 1966 Load: 29.4 t ADT: 20,262

WHITE RIVER PKWY

Fair

Over: CROOKED CREEK

00.45 S OF 38TH ST, Marion, IN

Built 1959 Load: 29.4 t ADT: 1,680

42ND STREET

Fair

Over: STEELE DITCH

00.17 E OF GERMAN CHURCH, Marion, IN

Built 1974 Load: 29.4 t ADT: 958

INDIANA AVE

Fair

Over: FALL CREEK

00.55 NE OF MLK JR ST, Marion, IN

Built 1960 Load: 29.4 t ADT: 13,574

BRIDGEPORT RD

Fair

Over: WHITE LICK CREEK

00.75 S OF MORRIS ST, Marion, IN

Built 1959 Load: 29.4 t ADT: 3,359

SOUTHWEST DRIVE

Fair

Over: SEERLEY CREEK

00.20 N OF KENTUCKY AVE, Marion, IN

Built 1983 Load: 29.4 t ADT: 494

ARLINGTON AVENUE

Fair

Over: SLOAN CREEK

00.10 N HANNA AVE, Marion, IN

Built 1970 Load: 29.4 t ADT: 20,507

STRAWTOWN PIKE

Fair

Over: LITTLE PIPE CREEK

0.00 N OF CR 500 S, Miami, IN

Built 1975 Load: 29.4 t ADT: 1,250

MT. GILEAD ROAD

Fair

Over: STEPHENS CREEK

0.4 MI N. GETTYS CREEK RD, Monroe, IN

Built 1983 Load: 29.4 t ADT: 312

STIPP ROAD

Fair

Over: BUTCHER BRANCH

01.30 E HANDY ROAD, Monroe, IN

Built 1981 Load: 29.4 t ADT: 342

CR 275 S

Fair

Over: BEAVER CREEK

0.4 MI E CR 400 W, Newton, IN

Built 1950 Load: 29.4 t ADT: 143

CR 50 S

Fair

Over: SALISBURY DITCH

0.2 MI W US 41, Newton, IN

Built 1991 Load: 29.4 t ADT: 143

CR 200 S

Fair

Over: BEAVER CREEK

0.5 MI E CR 250 W, Newton, IN

Built 1971 Load: 29.4 t ADT: 143

CR 1550 S

Fair

Over: HUNTER DITCH

0.0 MI INT CR 550 E, Newton, IN

Built 1968 Load: 29.4 t ADT: 143

CR 1000 S

Fair

Over: WHALEY DITCH

0.1 MI E CR 700 W, Newton, IN

Built 1991 Load: 29.4 t ADT: 143

CR 750 S

Fair

Over: BATTLEDAY DITCH

0.1 MI E CR 300 E, Newton, IN

Built 1993 Load: 29.4 t ADT: 143

CR 1125 S

Fair

Over: WHALEY DITCH

0.4 MI W CR 600 W, Newton, IN

Built 1991 Load: 29.4 t ADT: 143

CR 150 NORTH

Fair

Over: BUFFALO CREEK

0.60 N OF CR 75 N, Orange, IN

Built 1920 Load: 29.4 t ADT: 100

CR 250S

Fair

Over: BRANCH BONE CREEK

00.06 W CR 900 E, Pike, IN

Built 1940 Load: 29.4 t ADT: 51

SR 39

Fair

Over: HARP DITCH #2

02.87 N SR 16, Pulaski, IN

Built 1950 Load: 29.4 t ADT: 1,355

CR 475W

Fair

Over: INDIAN CREEK

00.40 N OF CR 950 S, Pulaski, IN

Built 1968 Load: 29.4 t ADT: 40

SR 44

Fair

Over: FLATROCK RIVER

00.57 E SR 3, Rush, IN

Built 1939 Load: 29.4 t ADT: 5,191

SR 44

Fair

Over: BR LITTLE BLUE RIVER

05.75 E I-74, Shelby, IN

Built 1941 Load: 29.4 t ADT: 5,134

RED BANK RD

Fair

Over: CARPENTIER CREEK

00.40 N OF HOGUE RD, Vanderburgh, IN

Built 1979 Load: 29.4 t ADT: 3,513

POTTERSHOP RD

Fair

Over: NOLANDS FORK

00.70 W of CREEK Rd, Wayne, IN

Built 1992 Load: 29.4 t ADT: 1,392

CHAPEL RD

Fair

Over: NOLANDS FORK

.7 MI E HISER STATION RD, Wayne, IN

Built 1998 Load: 29.4 t ADT: 85

KIRLIN RD

Fair

Over: WARM RUN

00.30 W of LAMOTT Rd, Wayne, IN

Built 1991 Load: 29.4 t ADT: 93

BOCKHOFER RD

Fair

Over: GREENS FORK

00.30 E of CENTER Rd, Wayne, IN

Built 1968 Load: 29.4 t ADT: 111

CR 400 WEST

Fair

Over: SCUFFLE CREEK

00.01 N OF CR 1100 S, Wells, IN

Built 1986 Load: 29.4 t ADT: 350

SPRINGBORO ROAD

Fair

Over: SPRING CREEK

00.02 SW SR 18, White, IN

Built 1930 Load: 29.4 t ADT: 900

POOK RD

Fair

Over: EEL RIVER

00.70 W CR 600 W, Whitley, IN

Built 1973 Load: 29.4 t ADT: 275

CR 400 NORTH

Fair

Over: BORUM RUN

0.10 MILES W OF US 27, Adams, IN

Built 1983 Load: 29.5 t ADT: 174

SR 930

Fair

Over: SPY RUN CREEK

00.74 W US 27, Allen, IN

Built 1947 Load: 29.5 t ADT: 24,272

I-865 EB

Fair

Over: EAGLE CREEK

04.10 E I-65, Boone, IN

Built 1971 Load: 29.5 t ADT: 15,240

KISSEL ROAD

Fair

Over: FISHBACK CREEK

00.30 N OF HUNT CLUB ROAD, Boone, IN

Built 1960 Load: 29.5 t ADT: 740

SR 46

Fair

Over: GNAW BONE CREEK

03.51 E SR 135, Brown, IN

Built 1960 Load: 29.5 t ADT: 8,579

SR 59

Fair

Over: CONNELEY DITCH

02.11 N SR 246, Clay, IN

Built 1955 Load: 29.5 t ADT: 4,098

CR 300W

Fair

Over: VEALES CREEK

00.38 S of CR 300 S, Daviess, IN

Built 1986 Load: 29.5 t ADT: 92

US 50

Fair

Over: HOGAN CREEK

00.09 E SR 56, Dearborn, IN

Built 1952 Load: 29.5 t ADT: 28,398

US 6

Fair

Over: CEDAR CREEK

00.39 E SR 427, DeKalb, IN

Built 1926 Load: 29.5 t ADT: 6,454

US 35 NB

Fair

Over: N&S RR

01.39 N SR 32, Delaware, IN

Built 1973 Load: 29.5 t ADT: 7,937

US 35 SB

Fair

Over: N&S RR

01.39 N SR 32, Delaware, IN

Built 1973 Load: 29.5 t ADT: 7,515

SR 67 NB OFF RAMP

Fair

Over: NO NAME CREEK

03.64 S SR 3, Delaware, IN

Built 1973 Load: 29.5 t ADT: 2,980

US 41

Fair

Over: PRAIRIE CREEK

00.24 N SR 32, Fountain, IN

Built 1953 Load: 29.5 t ADT: 2,431

SR 234

Fair

Over: COAL CREEK

03.91 E SR 63, Fountain, IN

Built 1987 Load: 29.5 t ADT: 990

SR 234

Fair

Over: MILL CREEK

05.59 W US 41, Fountain, IN

Built 1996 Load: 29.5 t ADT: 690

I-74 WB

Fair

Over: GRAHAM CREEK

01.55 W US 136, Fountain, IN

Built 1959 Load: 29.5 t ADT: 16,452

CR 600W

Fair

Over: PRAIRIE Creek

00.30 N of ALLEN Rd, Fountain, IN

Built 1976 Load: 29.5 t ADT: 473

Showing 4,651-4,700 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.