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 5

Good

Over: SOLOMON CREEK

01.18 S US 33, Noble, IN

Built 1988 Load: 59.0 t ADT: 3,567

CR 350S

Good

Over: TIPPECANOE RIVER

01.10 W OF CR 650 W, Noble, IN

Built 1991 Load: 59.0 t ADT: 580

CR 300 E

Good

Over: SPIECHER DITCH

00.50 S OF STATE RD 124, Wabash, IN

Built 1989 Load: 59.0 t ADT: 100

DOE RUN RD

Good

Over: BRANCH OF DRY FORK CREEK

00.08 S of COMLEY HILL RD, Jefferson, IN

Built 1983 Load: 59.1 t ADT: 300

CR 1800N

Good

Over: SHAY DITCH

00.40 E SR 13, Madison, IN

Built 2017 Load: 59.1 t ADT: 147

US 6

Good

Over: HUSTON DITCH

06.81 E US 33, Noble, IN

Built 2012 Load: 59.1 t ADT: 5,421

MERIDIAN ROAD

Good

Over: PATOKA RIVER

01.10 S CR 150 S, Pike, IN

Built 2009 Load: 59.1 t ADT: 112

DANIEL STREET

Good

Over: SPLUNGE CREEK

00.50 S DALLAS DR, Vigo, IN

Built 1996 Load: 59.1 t ADT: 188

CR 600S

Good

Over: MUD RUN

00.55 W OF CR 100E, Noble, IN

Built 2017 Load: 59.2 t ADT: 1,330

SR 55

Good

Over: S FORK MONTGOMERY BRANCH

02.67 S US 24, Benton, IN

Built 2009 Load: 59.3 t ADT: 764

JOLIET RD

Good

Over: BRANCH LITTLE EAGLE CR

00.32 S OF 186TH ST, Hamilton, IN

Built 2009 Load: 59.3 t ADT: 150

135TH AVENUE

Good

Over: WEST CREEK

00.80 E. of CALUMET AVE, Lake, IN

Built 2018 Load: 59.3 t ADT: 4,228

CR 600W

Good

Over: WILLOW POND DITCH

00.73 S of SR 66, Spencer, IN

Built 2004 Load: 59.3 t ADT: 170

CR 100 SOUTH

Good

Over: BLUE CREEK

0.20 MILES W OF CR 500 W, Adams, IN

Built 1970 Load: 59.4 t ADT: 110

ORCHARD ROAD

Good

Over: BRANCH LAKE DRAIN

00.27 N of CR 600 N, Spencer, IN

Built 2006 Load: 59.4 t ADT: 370

I-469 WB OFF RAMP

Good

Over: DRAINAGE DITCH

00.01 E US 27, Allen, IN

Built 1990 Load: 59.6 t ADT: 1,991

SR 32

Good

Over: PEACH CREEK

00.38 E US 27, Randolph, IN

Built 2011 Load: 59.6 t ADT: 10,120

US 231

Good

Over: UNT LITTLE WEA CR

03.23 N SR 28, Tippecanoe, IN

Built 2014 Load: 59.6 t ADT: 8,380

CR 900N

Good

Over: ARMENTROUT DREDGE DITCH

00.70 W of CR 350 E, Montgomery, IN

Built 2003 Load: 59.8 t ADT: 20

US 24 EB

Good

Over: GAR CREEK

06.20 W SR 101, Allen, IN

Built 2010 Load: 59.9 t ADT: 8,217

US 24 WB

Good

Over: GAR CREEK

06.20 W SR 101, Allen, IN

Built 2010 Load: 59.9 t ADT: 9,394

CR 100 SOUTH

Good

Over: BRANCH OF WHITE RIVER

0.30 W OF CR 150 W, Greene, IN

Built 2008 Load: 59.9 t ADT: 55

SMOKY ROW ROAD

Good

Over: LITTLE COOL CREEK

00.24 MI W OF RANGELINE R, Hamilton, IN

Built 2023 Load: 59.9 t ADT: 7,840

CR 900N

Good

Over: PEE DEE DITCH

00.10 W OF 109, Hancock, IN

Built 2004 Load: 59.9 t ADT: 210

SOUTH STREET

Good

Over: SARTOR DITCH

0.06 E SOUTH HOME AVE., Morgan, IN

Built 2019 Load: 59.9 t ADT: 3,800

CR 29

Good

Over: Lanman Run

00.10 N of CR 150, Perry, IN

Built 1940 Load: 59.9 t ADT: 100

SR 44

Good

Over: ROBERTS DITCH

03.86 W SR 9, Shelby, IN

Built 2009 Load: 59.9 t ADT: 5,816

SR 4

Good

Over: LITTLE TURTLE CREEK

03.41 E SR 327, Steuben, IN

Built 2013 Load: 59.9 t ADT: 3,597

CR 400S

Good

Over: VAN PELT DITCH

00.60 W OF CR 25 E, Shelby, IN

Built 2009 Load: 60.0 t ADT: 100

GREEN RIVER ROAD

Good

Over: SCHLENSKER DITCH

00.10 N BNVL-NEW HRM ROAD, Vanderburgh, IN

Built 2020 Load: 60.0 t ADT: 2,629

COUNTRY CLUB ROAD

Good

Over: COUNTRY CLUB CREEK

0.40 S OF CR 250 N, Miami, IN

Built 2001 Load: 60.1 t ADT: 110

CR 950N

Good

Over: FALL CREEK

00.10 E OF CR 600 W, Henry, IN

Built 2011 Load: 60.2 t ADT: 425

CR 500N

Good

Over: SOUTH BR CLIFTY CREEK

00.10 W OF CR 200 E, Decatur, IN

Built 1976 Load: 60.3 t ADT: 110

RAMP & FARM ROAD

Good

Over: RELOCATED LINDLEY DITCH

00.03 S SR 38, Hamilton, IN

Built 2012 Load: 60.3 t ADT: 3,498

I-94 EB

Good

Over: NICTD RR

01.73 E US 20, LaPorte, IN

Built 1969 Load: 60.3 t ADT: 37,476

I-94 WB

Good

Over: NICTD RR

01.73 E US 20, LaPorte, IN

Built 1969 Load: 60.3 t ADT: 19,295

CR 200W

Good

Over: IVAN MOORMAN DRAIN

00.75 N SR 128, Madison, IN

Built 2008 Load: 60.4 t ADT: 321

CR 250 E

Good

Over: CHADWICK DITCH

00.10 N SR 38, Madison, IN

Built 2011 Load: 60.4 t ADT: 74

CR 900W

Good

Over: LAMBERTSON DITCH

00.10 S CR 800 N, Madison, IN

Built 2012 Load: 60.4 t ADT: 379

UNIVERSITY PKWY NB

Good

Over: LOUISVILLE NASHVILLE RR

00.40 N OF HOGUE RD, Vanderburgh, IN

Built 2006 Load: 60.4 t ADT: 3,572

UNIVERSITY PKWY SB

Good

Over: LOUISVILLE NASHVILLE RR

00.40 N OF HOGUE RD, Vanderburgh, IN

Built 2006 Load: 60.4 t ADT: 3,536

LAFAYETTE AVENUE

Good

Over: PRAIRIE CREEK

00.30 N OF SR 32, Boone, IN

Built 1997 Load: 60.6 t ADT: 740

US 40

Good

Over: UNT MILL CREEK

3.00 E SR 75, Hendricks, IN

Built 2021 Load: 60.6 t ADT: 7,530

13TH AVE

Good

Over: LICK CREEK

00.20 S OF TROY AVE, Marion, IN

Built 1985 Load: 60.6 t ADT: 5,231

GRANT ST

Good

Over: DRY BRANCH CREEK

00.03 S of CHESTNUT St, Montgomery, IN

Built 2012 Load: 60.6 t ADT: 5,860

FRANKLIN RD

Good

Over: BRANCH OF RACCOON CREEK

0.10 E OF BAKERS SCHOOL R, Owen, IN

Built 2023 Load: 60.6 t ADT: 360

CR 500E

Good

Over: SIMPSON CREEK

00.2 S of SPRINGERSVILLE, Fayette, IN

Built 1995 Load: 60.7 t ADT: 125

CR 350S

Good

Over: WEST FORK OF MILL CREEK

00.75 E OF SR 75, Hendricks, IN

Built 1993 Load: 60.7 t ADT: 175

CR 600W

Good

Over: YORK PRAIRIE CREEK

00.35 N of DIVISION ROAD, Delaware, IN

Built 2020 Load: 60.8 t ADT: 3,180

SR 37 NB

Good

Over: CLEAR CREEK

03.36 N SR 44, Morgan, IN

Built 1973 Load: 60.9 t ADT: 19,450

Showing 17,301-17,350 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.