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

SR 75

Good

Over: WILDCAT CREEK

04.51 S SR 18, Carroll, IN

Built 1947 Load: 23.6 t ADT: 2,679

CR 400W

Good

Over: BR WABASH & ERIE CANAL

00.20 N CR 1350 S, Clay, IN

Built 2010 Load: 23.6 t ADT: 357

CR 1050N

Good

Over: BIG RACCOON CREEK

00.01 E of CR 600 W, Putnam, IN

Built 2012 Load: 23.6 t ADT: 260

CR 100W

Good

Over: NO NAME CREEK

00.11 S of CR 1200 N, Spencer, IN

Built 1984 Load: 23.6 t ADT: 100

SR 58

Good

Over: BRANCH WHITE CREEK

06.64 W I-65, Bartholomew, IN

Built 1967 Load: 23.7 t ADT: 2,505

SEYMOUR RD

Good

Over: WHITE CREEK

00.02 E OF SR 58, Bartholomew, IN

Built 2013 Load: 23.7 t ADT: 820

CR 200N

Good

Over: WOLF CREEK

00.40 W OF CR 500 W, Boone, IN

Built 1984 Load: 23.7 t ADT: 120

CR 300E

Good

Over: WHITE LICK CREEK

00.45 N OF CR 550S, Boone, IN

Built 1996 Load: 23.7 t ADT: 120

SR 56

Good

Over: BRANCH DAVIS CREEK

06.04 W SR 145, Dubois, IN

Built 1984 Load: 23.7 t ADT: 2,782

POWER DR

Good

Over: CARMEL CREEK

00.20 E OF WILLIAMSON PKW, Hamilton, IN

Built 1993 Load: 23.7 t ADT: 1,850

ETNA ROAD

Good

Over: WABASH RIVER

0.05 MI E OF CR 200 N, Huntington, IN

Built 1975 Load: 23.7 t ADT: 4,878

MERIDIAN STREET

Good

Over: PLEASANT RUN CREEK

0.05 S OF MAIN STREET, Johnson, IN

Built 1994 Load: 23.7 t ADT: 4,937

TRACY ROAD

Good

Over: TRAVIS DITCH

00.00 KINGSBURY STATE FIS, LaPorte, IN

Built 1986 Load: 23.7 t ADT: 143

CR 500S

Good

Over: WILLIAMS LATERAL

00.40 E CR 1000 E, LaPorte, IN

Built 2010 Load: 23.7 t ADT: 250

REYNOLD Rd

Good

Over: BUFFALO Creek

01.20 NW of WALNUT RIDGE, Washington, IN

Built 1992 Load: 23.7 t ADT: 112

N HOGAN ROAD

Good

Over: NORTH HOGAN CREEK

00.10 S OF CROSS RD, Dearborn, IN

Built 1997 Load: 23.8 t ADT: 1,050

CR 1150W

Good

Over: ROWE-EDEN DITCH

00.85 S OF CR 50N, LaGrange, IN

Built 1981 Load: 23.8 t ADT: 300

SR 101

Good

Over: HOGAN CREEK

02.21 N US 50, Ripley, IN

Built 1933 Load: 23.8 t ADT: 2,550

MCDANIEL RD

Good

Over: CSX RAILROAD

00.20 W 641, Vigo, IN

Built 2010 Load: 23.8 t ADT: 16,445

MAPLECREST RD

Good

Over: N-S R/R & NELSON RD

00.25 N SR 930, Allen, IN

Built 2012 Load: 23.9 t ADT: 19,150

SR 25

Good

Over: HARVEY CREEK

03.04 N US 24/35, Cass, IN

Built 1918 Load: 23.9 t ADT: 9,061

SR 59

Good

Over: PRAIRIE CREEK

00.92 S SR 42, Clay, IN

Built 1936 Load: 23.9 t ADT: 6,187

CR 200E

Good

Over: EEL River

00.50 S of CR 200 S, Clay, IN

Built 1994 Load: 23.9 t ADT: 264

SALTILLO & LIVONIA

Good

Over: South Fork LOST River

00.10 S of MT TABOR Rd, Washington, IN

Built 1979 Load: 23.9 t ADT: 225

CR 100S

Good

Over: WALNUT FORK OF SUGAR CR

00.80 W OF CR 950 W, Boone, IN

Built 1977 Load: 24.0 t ADT: 200

RIVER ROAD

Good

Over: GOBLES CREEK

00.51 SE of US 1, Franklin, IN

Built 2023 Load: 24.0 t ADT: 150

LAMONG RD

Good

Over: FINLEY CREEK

00.09 S OF 216TH ST, Hamilton, IN

Built 1998 Load: 24.0 t ADT: 520

NB LOWES WAY

Good

Over: COOL CREEK, PATH

00.78 N 136TH ST, Hamilton, IN

Built 2003 Load: 24.0 t ADT: 11,590

CR 800E

Good

Over: SIX MILE CREEK

00.18 N OF E 500 S, Hancock, IN

Built 1980 Load: 24.0 t ADT: 60

SR 337

Good

Over: INDIAN CREEK, LNA&C RR

00.46 N SR 62, Harrison, IN

Built 1959 Load: 24.0 t ADT: 14,203

MATHIS RD

Good

Over: INDIAN CREEK

00.10 W OF HOTTEL RD, Harrison, IN

Built 2003 Load: 24.0 t ADT: 153

CR 550N

Good

Over: W FORK OF BIG WALNUT CR

00.45 E OF CR 700W, Hendricks, IN

Built 2018 Load: 24.0 t ADT: 100

CR 900 WEST

Good

Over: LITTLE ELKHART RIVER

00.10 N OF CR 200S, LaGrange, IN

Built 1995 Load: 24.0 t ADT: 100

SOUTH UPAS ROAD

Good

Over: YELLOW RIVER

00.50 N OF W 14 B ROAD, Marshall, IN

Built 2023 Load: 24.0 t ADT: 270

WINDOM ROAD

Good

Over: SIMMONS CREEK

0.09 S SIMMONS CREEK RD, Martin, IN

Built 1999 Load: 24.0 t ADT: 71

SR 18

Good

Over: SUGAR CREEK

00.34 W SR 19, Miami, IN

Built 1984 Load: 24.0 t ADT: 1,572

CR 900N

Good

Over: PRINE DITCH

00.10 W OF CR 400 E, Rush, IN

Built 1968 Load: 24.0 t ADT: 444

P000

Good

Over: BRANCH BUCKHORN CREEK

00.00 LINCOLN STATE PARK, Spencer, IN

Built 1932 Load: 24.0 t ADT: 214

US 41 NB

Good

Over: EAGLE CREEK

00.30 S I-164, Vanderburgh, IN

Built 1972 Load: 24.0 t ADT: 20,380

I-70 EB

Good

Over: THOMPSON DITCH, RR

01.88 E US 41, Vigo, IN

Built 1964 Load: 24.0 t ADT: 15,243

WALNUT FORK RD

Good

Over: WALNUT FORK

00.20 W of PIPE CAR RD, Franklin, IN

Built 2005 Load: 24.1 t ADT: 50

CR 900E

Good

Over: BIG RACCOON CREEK

00.10 S of CR 600 S, Montgomery, IN

Built 2004 Load: 24.1 t ADT: 100

WASHINGTON STREET

Good

Over: HOLTHOUSE DITCH

0.20 MILES W OF US 27, Adams, IN

Built 1969 Load: 24.2 t ADT: 1,763

St Phillips Rd

Good

Over: Little Creek

00.55 MI N of UPR MT VERN, Posey, IN

Built 1985 Load: 24.2 t ADT: 527

CR 1000 SOUTH

Good

Over: SCUFFLE CREEK

00.80 W OF CR 200 W, Wells, IN

Built 2006 Load: 24.2 t ADT: 200

I-469 EB

Good

Over: CFE RR

02.71 W US 30, Allen, IN

Built 1989 Load: 24.3 t ADT: 10,506

I-469 SB

Good

Over: MAUMEE RIVER

00.47 N US 24, Allen, IN

Built 1991 Load: 24.3 t ADT: 14,637

I-469 WB

Good

Over: CFE RR

02.71 W US 30, Allen, IN

Built 1989 Load: 24.3 t ADT: 10,506

CR 450E

Good

Over: FISHERS FORK

00.13 S OF SR 46, Bartholomew, IN

Built 1989 Load: 24.3 t ADT: 460

CR 550N

Good

Over: DIXON CREEK

00.01 W OF CR 1000 W, Boone, IN

Built 1978 Load: 24.3 t ADT: 120

Showing 11,201-11,250 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.