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

US 50 EB

Good

Over: WHITE RIVER OVERFLOW

02.77 E SR 241, Knox, IN

Built 1988 Load: 44.4 t ADT: 4,591

US 50 WB

Good

Over: WHITE RIVER OVERFLOW

02.77 E SR 241, Knox, IN

Built 1988 Load: 44.4 t ADT: 4,591

SR 9

Good

Over: PIGEON RIVER

00.20 S of SR 120, LaGrange, IN

Built 2000 Load: 44.4 t ADT: 8,003

RT. PT-16

Good

Over: BOGGS CREEK

1.2 KM W OF H-241, Martin, IN

Built 2014 Load: 44.4 t ADT: 4

EGBERT ROAD

Good

Over: CLEAR CREEK OVERFLOW

00.17 S OF SR 37, Morgan, IN

Built 2021 Load: 44.4 t ADT: 2,150

SR 62 EB

Good

Over: MCFADDEN CREEK

01.17 W SR 69, Posey, IN

Built 1976 Load: 44.4 t ADT: 8,010

CR 550N

Good

Over: BRANCH OF RIPLEY CREEK

00.49 E OF PRATTSBURG ROA, Ripley, IN

Built 1988 Load: 44.4 t ADT: 150

US 31

Good

Over: MUSCATATUCK RIVER OVFL

01.37 S I-65, Scott, IN

Built 1980 Load: 44.4 t ADT: 5,470

BEECH STREET

Good

Over: BR LOST CREEK

00.30 E FRUITRDGE, Vigo, IN

Built 1994 Load: 44.4 t ADT: 4,737

SR 16

Good

Over: SILVER CREEK

05.90 E SR 13, Wabash, IN

Built 2011 Load: 44.4 t ADT: 804

VANN ROAD

Good

Over: CYPRESS CREEK

0.23 MI W SR 61, Warrick, IN

Built 1972 Load: 44.4 t ADT: 3,998

FOUNTAIN CITY PK

Good

Over: KNOLLENBERG DITCH

00.20 E of BRAGG Rd, Wayne, IN

Built 2023 Load: 44.4 t ADT: 448

W JEFFERSON BLVD

Good

Over: FLAUGH DRAIN

00.20 W GETZ RD, Allen, IN

Built 2005 Load: 44.5 t ADT: 35,000

CR 400 SOUTH

Good

Over: BIG LICK CREEK

00.40 E OF 500 E, Blackford, IN

Built 2011 Load: 44.5 t ADT: 83

FERDINAND Rd NW

Good

Over: BRUNER Creek

00.80 E of CHERRY St, Dubois, IN

Built 1990 Load: 44.5 t ADT: 712

CR 400W

Good

Over: CART CREEK

00.08 S CR 400 N, Grant, IN

Built 1960 Load: 44.5 t ADT: 150

SR 37 NB

Good

Over: CSX RR

00.38 N SR 60, Lawrence, IN

Built 1954 Load: 44.5 t ADT: 6,448

CR 1050S

Good

Over: CORNSTALK CREEK

00.10 W of CR 260E, Montgomery, IN

Built 1994 Load: 44.5 t ADT: 70

CR 50 W

Good

Over: MONTGOMERY DITCH

0.3 MI S CR 1300 S, Newton, IN

Built 1985 Load: 44.5 t ADT: 143

CR 50N

Good

Over: LEATHERMAN CREEK

00.01 E of CR 500 W, Putnam, IN

Built 1999 Load: 44.5 t ADT: 390

KEMPTON RD

Good

Over: NOLANDS FORK

00.30 W of CENTERVILLE Rd, Wayne, IN

Built 2000 Load: 44.5 t ADT: 281

CR 500 WEST

Good

Over: CARNES NEW CLARK DITCH

00.85 N OF CR 900 S, Wells, IN

Built 1994 Load: 44.5 t ADT: 100

CR 800 SOUTH

Good

Over: DAVID DRAIN

00.42 W OF CR 1000 W, Wells, IN

Built 2022 Load: 44.5 t ADT: 250

CR 800 SOUTH

Good

Over: BUCK CREEK

00.18 E of CR 100 E, Delaware, IN

Built 1989 Load: 44.6 t ADT: 170

KELLY BRANCH RD

Good

Over: KELLY BRANCH

0.10 E OF SR 157, Greene, IN

Built 1998 Load: 44.6 t ADT: 110

CR 450W

Good

Over: CHESSIE SYSTEM RR

00.38 S OF 400 S, Hancock, IN

Built 2007 Load: 44.6 t ADT: 1,350

KENT ROAD

Good

Over: N FORK SALT CREEK

00.10 E SR 46, Monroe, IN

Built 1999 Load: 44.6 t ADT: 146

I-69 NB

Good

Over: ROBINSON CREEK

01.69 S US 24, Allen, IN

Built 1964 Load: 44.7 t ADT: 21,321

I-69 SB

Good

Over: ROBINSON CREEK

01.69 S US 24, Allen, IN

Built 1964 Load: 44.7 t ADT: 21,321

STATE BOULEVARD

Good

Over: BULLERMAN DRAIN

00.10 W MAYSVILLE ROAD, Allen, IN

Built 2020 Load: 44.7 t ADT: 17,750

CR 850S

Good

Over: SAND BRANCH

00.02 E US 31, Bartholomew, IN

Built 2012 Load: 44.7 t ADT: 610

SR 38

Good

Over: SUGAR CREEK

01.90 W S JCT US 421, Clinton, IN

Built 1968 Load: 44.7 t ADT: 710

MAIN STREET

Good

Over: BLUE RIVER

0.00 E OF BACK STREET, Crawford, IN

Built 2010 Load: 44.7 t ADT: 141

SR 431 SB

Good

Over: COOL CREEK & TRAIL

0.44 S 146th ST, Hamilton, IN

Built 2012 Load: 44.7 t ADT: 12,640

SIX POINTS ROAD

Good

Over: JAY DITCH

00.40 N OF SR 38, Hamilton, IN

Built 2016 Load: 44.7 t ADT: 100

CR 500N

Good

Over: BRANDYWINE CREEK

00.36 E OF N 400 E, Hancock, IN

Built 2020 Load: 44.7 t ADT: 146

CR 600E

Good

Over: SUGAR CREEK

00.57 N OF 900 N, Hancock, IN

Built 2023 Load: 44.7 t ADT: 235

CR 594 W

Good

Over: WILLIAM VOGUS DITCH

0.2 MI N CR 250 S, Howard, IN

Built 2003 Load: 44.7 t ADT: 500

CHESTNUT AVENUE

Good

Over: WYLAND DITCH

00.01 N OF UNION DRIVE, Kosciusko, IN

Built 2013 Load: 44.7 t ADT: 350

I-65

Good

Over: CFE RR

06.54 N US 30, Lake, IN

Built 2009 Load: 44.7 t ADT: 37,109

PENDLETON AVE

Good

Over: FALL CREEK

00.20 N SR 38, Madison, IN

Built 2000 Load: 44.7 t ADT: 2,262

I-70 WB & CD

Good

Over: LEWIS ST & MONON TRAIL

00.25 E I-65, Marion, IN

Built 2023 Load: 44.7 t ADT: 62,381

MINNESOTA STREET

Good

Over: BEAN CREEK

00.17 E OF EMERSON AVENUE, Marion, IN

Built 2022 Load: 44.7 t ADT: 1,984

EAST 7TH ROAD

Good

Over: DAUSMAN DITCH

00.10 W OF N FIR ROAD, Marshall, IN

Built 1985 Load: 44.7 t ADT: 300

GOODNER ROAD

Good

Over: MIRE BRANCH

00.40 S OF ABERDEEN RD, Ohio, IN

Built 2003 Load: 44.7 t ADT: 39

SR 68

Good

Over: N FORK LITTLE PIGEON CRE

01.15 E SR 161, Spencer, IN

Built 2000 Load: 44.7 t ADT: 1,180

US 231 S TO I-64 W

Good

Over: BR N FK LITL PIGEON CR

00.63 W US 231, Spencer, IN

Built 2008 Load: 44.7 t ADT: 500

US 231 SB

Good

Over: HOOSIER SOUTHERN RR

01.29 S SR 62, Spencer, IN

Built 2010 Load: 44.7 t ADT: 4,800

CR 800N

Good

Over: VERMILION River

00.50 N of CR 100 W, Vermillion, IN

Built 1998 Load: 44.7 t ADT: 349

BLACK DRIVE

Good

Over: Branch of HAWKS CREEK

00.90 W ROBINSON, Vigo, IN

Built 2003 Load: 44.7 t ADT: 125

Showing 16,301-16,350 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.