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

TERNET RD

Good

Over: ELLISON DITCH

00.05 N OF MAPLES ROAD, Allen, IN

Built 2021 Load: 53.8 t ADT: 525

US 421

Good

Over: MCCLAMROCK DITCH

01.07 S SR 38, Clinton, IN

Built 1973 Load: 53.8 t ADT: 4,564

CR 700 W

Good

Over: BR FALL FORK CLIFTY CREE

00.60 N OF CR 450 S, Decatur, IN

Built 2021 Load: 53.8 t ADT: 110

US 6

Good

Over: KIEFFER DITCH

00.27 E SR 15, Elkhart, IN

Built 2008 Load: 53.8 t ADT: 6,671

BLAND ROAD

Good

Over: CAMP CREEK

0.10 W OF CAMP BRANCH RD, Greene, IN

Built 2022 Load: 53.8 t ADT: 110

BLAKE RD

Good

Over: LEWIS CREEK

00.38 E of SR 3, Jefferson, IN

Built 2011 Load: 53.8 t ADT: 300

CR 775 WEST

Good

Over: KOOTS FORK

1.00 S OF SR 44, Johnson, IN

Built 2017 Load: 53.8 t ADT: 164

I-65 NB

Good

Over: NS RR

04.83 N US 30, Lake, IN

Built 1965 Load: 53.8 t ADT: 56,252

I-65 SB

Good

Over: NS RR

04.83 N US 30, Lake, IN

Built 1965 Load: 53.8 t ADT: 54,358

GATEWAY DR

Good

Over: DRY RUN

00.20 E OF HIGH SCHOOL RD, Marion, IN

Built 2013 Load: 53.8 t ADT: 1,003

HINDOSTAN FALLS RD

Good

Over: ELM CREEK

1.03 S OF SR 550, Martin, IN

Built 2020 Load: 53.8 t ADT: 370

US 24 EB

Good

Over: NICKEL PLATE TRAIL

00.72 W SR 19, Miami, IN

Built 1975 Load: 53.8 t ADT: 3,611

US 24 WB

Good

Over: NICKEL PLATE TRAIL

00.72 W SR 19, Miami, IN

Built 1975 Load: 53.8 t ADT: 3,666

CR 950E

Good

Over: BILGER DITCH

00.19 N OF CR 400 S, Noble, IN

Built 2017 Load: 53.8 t ADT: 130

CR 585W

Good

Over: ELL Creek

00.70 S of SR 64, Dubois, IN

Built 1992 Load: 53.9 t ADT: 162

Copperline Rd

Good

Over: Little Creek

00.96 MI W OF CABORN RD, Posey, IN

Built 1997 Load: 54.0 t ADT: 149

CR 1

Good

Over: FISHER-GORDAN DITCH

00.20 S CR 144, Elkhart, IN

Built 2020 Load: 54.1 t ADT: 239

SR 32

Good

Over: UNT GRAHAM CREEK

05.54 E SR 63, Fountain, IN

Built 2014 Load: 54.1 t ADT: 880

CR 550 NORTH

Good

Over: INDIAN CREEK

0.54 W OF CR 400 E, Jackson, IN

Built 2021 Load: 54.1 t ADT: 267

SNYDER ROAD

Good

Over: MILLER DITCH

00.28 N OF STATE ROAD 67, Knox, IN

Built 1910 Load: 54.1 t ADT: 130

I-90

Good

Over: LAGRANGE COUNTY DRAIN

00.70 E CR 700E, LaGrange, IN

Built 1957 Load: 54.1 t ADT: 24,466

I-69 SB

Good

Over: BRYANTS CREEK

05.82 S SR 39, Monroe, IN

Built 1972 Load: 54.1 t ADT: 14,251

I-69

Good

Over: TRIB E FORK WHITE RIVER

04.57 N SR 356, Pike, IN

Built 2012 Load: 54.1 t ADT: 17,870

ADAMS CHURCH ROAD

Good

Over: RIPLEY CREEK

00.25 SE OF SR 129, Ripley, IN

Built 1991 Load: 54.1 t ADT: 150

ST JOSEPH AVE

Good

Over: BRANCH OF LOCUST CREEK

00.50 S OF SCHENK RD, Vanderburgh, IN

Built 2017 Load: 54.1 t ADT: 4,060

SR 68

Good

Over: BASS DITCH

05.05 W SR 161, Warrick, IN

Built 1998 Load: 54.1 t ADT: 1,137

CR 800S

Good

Over: Branch of SHORT Creek

00.90 E of SR 161, Dubois, IN

Built 1993 Load: 54.2 t ADT: 32

BAIN RD

Good

Over: BRANCH OF LAMBS CREEK

00.51 E OF LWR PATTON PK, Morgan, IN

Built 2008 Load: 54.2 t ADT: 810

CROOKED RD

Good

Over: BRANCH OF E FORK COAL CR

00.20 S of CR 300 S, Fountain, IN

Built 2017 Load: 54.3 t ADT: 100

CLAY ST

Good

Over: STONEY RUN DITCH

00.10 N of 153rd AVENUE, Lake, IN

Built 2019 Load: 54.3 t ADT: 345

CLAY STREET

Good

Over: JESSIE LITTLE DITCH

00.24 S STONE ROAD, Lake, IN

Built 2020 Load: 54.3 t ADT: 905

SR 124

Good

Over: YELLOW CREEK

00.02 E US 27, Adams, IN

Built 1988 Load: 54.4 t ADT: 2,913

SE 15TH ST

Good

Over: CSX RR

00.03 N HAZEL ST, Daviess, IN

Built 2018 Load: 54.4 t ADT: 2,095

SR 46

Good

Over: SAND CREEK

00.90 E US 421, Decatur, IN

Built 1941 Load: 54.4 t ADT: 6,041

SR 32

Good

Over: STONY CREEK

00.83 W SR 13, Hamilton, IN

Built 2023 Load: 54.4 t ADT: 6,727

BLACK CHAPEL RD

Good

Over: MIDDLE FORK BUCK CREEK

01.00 SE OF MC PHILLIPS R, Harrison, IN

Built 2008 Load: 54.4 t ADT: 640

VILAS ROAD

Good

Over: LICK CREEK

0.10 S OF PORTER RIDGE RD, Owen, IN

Built 2020 Load: 54.4 t ADT: 360

SR 32

Good

Over: UNT WHITE RIVER

01.33 E US 27, Randolph, IN

Built 2015 Load: 54.4 t ADT: 9,754

SR 19

Good

Over: MUD CREEK

02.14 S SR 26, Tipton, IN

Built 2011 Load: 54.4 t ADT: 3,159

SR 160

Good

Over: BR MIDDLE FK BLUE RIVER

05.60 E SR 60, Washington, IN

Built 2018 Load: 54.4 t ADT: 1,001

CR 300 NORTH

Good

Over: BRACHT DITCH

0.20 MILES W OF CR 400 W, Adams, IN

Built 2006 Load: 54.5 t ADT: 643

SETTLERS TRAIL

Good

Over: BEIGHTLE-NETTLEHORST DTC

00.20 W AMSTUTZ ROAD, Allen, IN

Built 1997 Load: 54.5 t ADT: 244

CR 450N

Good

Over: UNNAMED Ditch

00.50 W CUZCO RD S, Dubois, IN

Built 1990 Load: 54.5 t ADT: 43

CR 600S

Good

Over: LITTLE SUGAR CREEK

00.25 W N 400 W, Hancock, IN

Built 2016 Load: 54.5 t ADT: 1,220

WASHINGTON ST

Good

Over: TIPPECANOE RIVER

00.74 E OF CR 50 W, Pulaski, IN

Built 1977 Load: 54.5 t ADT: 1,000

PENDLETON RUN RD

Good

Over: PENDLETON RUN

00.60 N of JACKSON RD, Switzerland, IN

Built 2018 Load: 54.5 t ADT: 100

ELDER ROAD

Good

Over: ELDER DRAIN

00.55 N LINCOLN WAY RD, Whitley, IN

Built 2002 Load: 54.5 t ADT: 100

WHEELOCK RD

Good

Over: MOWRER DRAIN

00.01 S ST JOE CENTER RD, Allen, IN

Built 2002 Load: 54.7 t ADT: 3,972

BEAGLE CLUB ROAD

Good

Over: BR SILVER CREEK

0.20 N of Hebron Road, Clark, IN

Built 2015 Load: 54.7 t ADT: 200

LITTLE YORK ROAD

Good

Over: LITTLE JOE CREEK

00.01 E OF ZION ROAD, Scott, IN

Built 2015 Load: 54.7 t ADT: 200

Showing 17,101-17,150 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.