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

CR 200E

Good

Over: WILEY THOMPSON DITCH

00.30 N OF CR 800 S, Boone, IN

Built 2005 Load: 47.0 t ADT: 420

ENTERPRISE BLVD

Good

Over: SANITARY DITCH

00.50 S OF SR 32, Boone, IN

Built 2000 Load: 47.0 t ADT: 290

SR 46

Good

Over: BIRCH CREEK

00.92 W SR 59, Clay, IN

Built 2014 Load: 47.0 t ADT: 3,007

SR 59

Good

Over: SUSAN BROTHERS CREEK

2.56 S SR 246, Clay, IN

Built 2018 Load: 47.0 t ADT: 1,600

SR 64

Good

Over: FLEMING CREEK

00.40 E SR 145, Crawford, IN

Built 1935 Load: 47.0 t ADT: 4,200

ALTON ROAD

Good

Over: MILL CREEK

0.32 N E BUZZARD ROOST RD, Crawford, IN

Built 2022 Load: 47.0 t ADT: 100

I-69 SB

Good

Over: UNT VEALE CREEK

02.44 S SR 257, Daviess, IN

Built 2012 Load: 47.0 t ADT: 8,935

CR 400N

Good

Over: BISON Branch

00.50 E of SR 45, Dubois, IN

Built 2003 Load: 47.0 t ADT: 667

SR 13

Good

Over: ELKHART RIVER

04.09 N US 33, Elkhart, IN

Built 2009 Load: 47.0 t ADT: 2,163

CR 350 S

Good

Over: DITCH OF E FORK KEG CR

00.20 W OF CR 1200 E, Gibson, IN

Built 2000 Load: 47.0 t ADT: 100

CR 1175 WEST

Good

Over: BEEHUNTER DITCH

0.30 S OF CR 200 N, Greene, IN

Built 2019 Load: 47.0 t ADT: 881

SR 38

Good

Over: LINDLEY DITCH

00.58 W US 31, Hamilton, IN

Built 2011 Load: 47.0 t ADT: 6,802

RULON RD

Good

Over: WEASEL CREEK

00.15 S OF 281ST ST, Hamilton, IN

Built 2007 Load: 47.0 t ADT: 140

OLIO RD

Good

Over: MUD CREEK

00.32 N OF 126TH ST, Hamilton, IN

Built 1998 Load: 47.0 t ADT: 21,350

STRAWTOWN AVE

Good

Over: DYERS CREEK

01.80 W SR 13, Hamilton, IN

Built 2018 Load: 47.0 t ADT: 1,470

CR 950N

Good

Over: BUCK CREEK

00.30 E OF CR 100 E, Henry, IN

Built 1997 Load: 47.0 t ADT: 262

THOMPSON RD

Good

Over: THOMPSON BRANCH

00.22 N of INTERSTATE BLO, Jefferson, IN

Built 1986 Load: 47.0 t ADT: 275

US 50 EB

Good

Over: KESSINGER DITCH

03.65 W SR 550, Knox, IN

Built 1999 Load: 47.0 t ADT: 4,059

COUNTRY CLUB ROAD

Good

Over: EAGLE CREEK

01.10 N OF CR 150 S, Kosciusko, IN

Built 2015 Load: 47.0 t ADT: 4,125

117TH AVENUE

Good

Over: WEST CREEK

00.30 E. of WHITE OAK Ave, Lake, IN

Built 2023 Load: 47.0 t ADT: 767

OLD SR 37

Good

Over: GULLETTS CREEK

01.35 S OF WASHBOARD RD, Lawrence, IN

Built 2012 Load: 47.0 t ADT: 772

CR 300E

Good

Over: SLY FORK

00.30 S CR 600 S, Madison, IN

Built 1974 Load: 47.0 t ADT: 957

SR 37 NB

Good

Over: PLEASANT RUN CREEK

04.16 S I-465, Marion, IN

Built 2022 Load: 47.0 t ADT: 34,050

BIG HURRICANE RD

Good

Over: BRANCH OF LAMBS CREEK

00.17 E OF N HANCOCK LANE, Morgan, IN

Built 2018 Load: 47.0 t ADT: 440

CR 900 S

Good

Over: GARRARD DITCH

0.2 MI W CR 600 W, Newton, IN

Built 1969 Load: 47.0 t ADT: 143

US 150

Good

Over: LICK CREEK

03.04 W SR 37, Orange, IN

Built 2000 Load: 47.0 t ADT: 5,365

South River Rd

Good

Over: Tributary Wabash River

00.16 SE of CR 350 W, Tippecanoe, IN

Built 2005 Load: 47.0 t ADT: 2,372

CR 1200 S

Good

Over: CART CREEK

00.20 E OF MERIDIAN, Wabash, IN

Built 2019 Load: 47.0 t ADT: 240

GAAR JACKSON ROAD

Good

Over: LICK CREEK

.1 MI. W OF ROUND BARN RD, Wayne, IN

Built 2012 Load: 47.0 t ADT: 543

CR 600 WEST

Good

Over: SHADLE DRAIN

00.20 N OF CR 1000 S, Wells, IN

Built 2020 Load: 47.0 t ADT: 330

CLAY ST

Good

Over: KANKAKEE RIVER

00.20 S of 217th AVE, Lake, IN

Built 2015 Load: 47.1 t ADT: 948

I-90 EB

Good

Over: GRAND ELK RR

01.26 E SR 15, Elkhart, IN

Built 1956 Load: 47.2 t ADT: 12,465

I-90 WB

Good

Over: GRAND ELK RR

01.26 E SR 15, Elkhart, IN

Built 1956 Load: 47.2 t ADT: 12,465

CR 250 WEST

Good

Over: INDIANA RAILROAD

0.20 N OF BASELINE ROAD, Greene, IN

Built 2010 Load: 47.2 t ADT: 292

DUNN BRIDGE ROAD

Good

Over: LITTLE SALT CREEK

01.02 S OF MEADOWS CH, Lawrence, IN

Built 1961 Load: 47.2 t ADT: 244

YORK St

Good

Over: LEONARD Ditch

00.10 W of OAKSIDE Ave., St. Joseph, IN

Built 2008 Load: 47.2 t ADT: 162

PLUM CREEK ROAD

Good

Over: BRANCH OF PLUM CREEK

00.01 S OF SADIE GREEN RD, Switzerland, IN

Built 2020 Load: 47.2 t ADT: 250

CR 300W

Good

Over: GRASSY BRANCH

0.00 S CR 625S, Boone, IN

Built 2023 Load: 47.3 t ADT: 50

SR 25 NB

Good

Over: NS RR

02.57 N US 421, Carroll, IN

Built 2013 Load: 47.3 t ADT: 4,700

US 24

Good

Over: COTTONWOOD CREEK

01.79 W US 35, Cass, IN

Built 1933 Load: 47.3 t ADT: 7,984

MORGAN CREEK CT

Good

Over: MITCHENER DITCH

00.12 E OF GRAY RD, Hamilton, IN

Built 2006 Load: 47.3 t ADT: 840

HARRISON SPRING RD

Good

Over: BRANCH OF BLUE RIVER

00.50 N OF SR 62, Harrison, IN

Built 1987 Load: 47.3 t ADT: 90

BURKHART BLVD

Good

Over: CONRAIL L&I RR

1.84 MI S US 50, Jackson, IN

Built 2021 Load: 47.3 t ADT: 10,150

BROOK/MANVILLE RD

Good

Over: MOLLYS RUN

00.85 N OF GREENBRIER RD, Jefferson, IN

Built 2010 Load: 47.3 t ADT: 100

I-70 EB

Good

Over: PLEASANT RUN

00.42 W I-465, Marion, IN

Built 1967 Load: 47.3 t ADT: 48,893

N QUEEN ROAD

Good

Over: JESSE MCKESSON DITCH

00.50 N OF W 1ST ROAD, Marshall, IN

Built 2023 Load: 47.3 t ADT: 125

CRANE ROAD

Good

Over: SEED TICK CREEK

0.08 S OF KILLION MILL, Martin, IN

Built 2017 Load: 47.3 t ADT: 63

SR 3

Good

Over: BIXLER LAKE DITCH

00.16 S US 6, Noble, IN

Built 1971 Load: 47.3 t ADT: 11,119

BELLS BRANCH ROAD

Good

Over: BELL BRANCH

01.16 N OF ICEBERG RD, Ohio, IN

Built 2011 Load: 47.3 t ADT: 100

HARTFORD PARK

Good

Over: BRANCH LAUGHERY CR

0.10 E OF HARTFORD RIDGE, Ohio, IN

Built 2014 Load: 47.3 t ADT: 200

Showing 16,601-16,650 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.