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 231 NB

Good

Over: AK STEEL RR SPUR

02.31 S SR 70, Spencer, IN

Built 2004 Load: 37.9 t ADT: 4,800

US 231 SB

Good

Over: AK STEEL RR SPUR

02.31 S SR 70, Spencer, IN

Built 2004 Load: 37.9 t ADT: 4,800

SR 48

Good

Over: WEST FORK TURMAN CREEK

01.84 E SR 63, Sullivan, IN

Built 2021 Load: 37.9 t ADT: 709

CR 900 N

Good

Over: BUSSERON CREEK

00.46 E OF CR 475 E, Sullivan, IN

Built 2008 Load: 37.9 t ADT: 140

SR 56

Good

Over: TUCKER RUN

06.01 W SR 129, Switzerland, IN

Built 2019 Load: 37.9 t ADT: 1,889

SR 66

Good

Over: LOCUST CREEK

02.86 W US 41, Vanderburgh, IN

Built 1960 Load: 37.9 t ADT: 22,745

TRAPP RD

Good

Over: BARR CREEK

00.90 S OF BASELINE RD, Vanderburgh, IN

Built 1991 Load: 37.9 t ADT: 18

CHURCH RD

Good

Over: LITTLE CREEK

00.30 N OF MARX RD, Vanderburgh, IN

Built 2002 Load: 37.9 t ADT: 62

HARLAN DRIVE

Good

Over: HAYWORTH Slough

00.70 W EDISON PL, Vigo, IN

Built 1998 Load: 37.9 t ADT: 691

BROADWAY ROAD

Good

Over: W FORK BLUE RIVER

00.30 N of QUAKER ROAD, Washington, IN

Built 2020 Load: 37.9 t ADT: 225

MEANS RD

Good

Over: NOLANDS FORK

0.2 MI W CENTERVILLE RD, Wayne, IN

Built 1966 Load: 37.9 t ADT: 170

ESTEB RD

Good

Over: ELKHORN CREEK

00.10 N of ENDSLEY Rd, Wayne, IN

Built 2022 Load: 37.9 t ADT: 194

CR 25W/MERIDIAN RD

Good

Over: BROWN DITCH

00.85 S N COUNTY LINE RD, White, IN

Built 1993 Load: 37.9 t ADT: 100

CR 900 EAST

Good

Over: SALAMONIE RIVER

00.80 N OF RIVER ROAD, Blackford, IN

Built 1989 Load: 38.0 t ADT: 128

CR 225W

Good

Over: ROCK Creek

00.47 N of SR 25, Carroll, IN

Built 1987 Load: 38.0 t ADT: 170

CR 200W

Good

Over: LITTLE DEER CREEK

00.07 MI S of CR 700 S, Grant, IN

Built 1962 Load: 38.0 t ADT: 110

OOLEY ROAD

Good

Over: MILLER BRANCH

0.30 N OF OLD WORTHINGTON, Greene, IN

Built 2018 Load: 38.0 t ADT: 110

CR 600S

Good

Over: BRANCH OF BIG BLUE RIVER

00.03 W OF N 500 E, Hancock, IN

Built 1988 Load: 38.0 t ADT: 460

COUNTRY LANE ROAD

Good

Over: SMITH JOHNSON DITCH

00.11 E OF 200 W, Hancock, IN

Built 2009 Load: 38.0 t ADT: 160

I-90

Good

Over: CONRAIL/CSX RR

00.71 W SR 39, LaPorte, IN

Built 1956 Load: 38.0 t ADT: 12,615

CR 150 WEST

Good

Over: YOUNGS CREEK

0.05 S OF CR 550 S, Orange, IN

Built 2019 Load: 38.0 t ADT: 200

WESLEY CHAPEL RD

Good

Over: BRANCH OF MILL CREEK

00.20 W OF SR 231, Owen, IN

Built 2007 Load: 38.0 t ADT: 190

CR 750E

Good

Over: DEER CREEK

00.70 S of CR 100 N, Putnam, IN

Built 1986 Load: 38.0 t ADT: 210

CR 300W

Good

Over: EAST FORK OF SLASH CREEK

00.25 N OF CR 600 S, Shelby, IN

Built 2016 Load: 38.0 t ADT: 100

CR 300 E

Good

Over: BEAR GRASS CREEK

00.10 N OF CR 700 N, Wabash, IN

Built 1973 Load: 38.0 t ADT: 480

CR 1800 SOUTH

Good

Over: KIRKPATRICK DITCH

0.20 MILES W OF CR 1000 W, Jasper, IN

Built 1995 Load: 38.1 t ADT: 139

BEVERLY LANE

Good

Over: LAKE GEORGE

00.04 N. of 2ND ST, Lake, IN

Built 2012 Load: 38.1 t ADT: 100

191ST AVENUE

Good

Over: SPRING RUN

00.10 E OF CHASE ST, Lake, IN

Built 2010 Load: 38.1 t ADT: 11

CR 125 WEST

Good

Over: BIG PIPE CREEK

0.30 N OF FIFTH ST, Miami, IN

Built 1999 Load: 38.1 t ADT: 425

BASE ROAD

Good

Over: MOORE DITCH

00.50 N OF CR 600 S, Rush, IN

Built 1998 Load: 38.1 t ADT: 300

CR 100W

Good

Over: GARRETT CREEK

00.15 N of SR 45, Spencer, IN

Built 1997 Load: 38.1 t ADT: 130

I-70 WB

Good

Over: THOMPSON DITCH, RR

01.88 E US 41, Vigo, IN

Built 1964 Load: 38.1 t ADT: 16,184

MAIN STREET

Good

Over: SULPHUR CREEK

00.30 S PETTIFORD, Vigo, IN

Built 2011 Load: 38.1 t ADT: 757

CR 400 W

Good

Over: EEL RIVER

00.50 S OF CR 900 N, Wabash, IN

Built 1992 Load: 38.1 t ADT: 100

CR 300S

Good

Over: BRANCH OF DENIOS CREEK

00.57 E OF CR 400 W, Bartholomew, IN

Built 1997 Load: 38.2 t ADT: 290

SR 18

Good

Over: BACHELOR RUN

02.08 E SR 75, Carroll, IN

Built 1998 Load: 38.2 t ADT: 3,213

SR 25 SB

Good

Over: NS RR SPUR

03.47 S SR 29, Cass, IN

Built 2013 Load: 38.2 t ADT: 6,200

I-65 NB

Good

Over: SILVER CREEK

00.47 N I-265, Clark, IN

Built 2003 Load: 38.2 t ADT: 35,569

US 50 EB

Good

Over: HURRICANE CREEK

01.03 E SR 257, Daviess, IN

Built 1992 Load: 38.2 t ADT: 4,562

US 50 WB

Good

Over: HURRICANE CREEK

01.03 E SR 257, Daviess, IN

Built 1992 Load: 38.2 t ADT: 7,395

SR 57

Good

Over: SMOTHERS CREEK

00.78 N SR 358, Daviess, IN

Built 1980 Load: 38.2 t ADT: 2,159

I-69 SB

Good

Over: S FORK PRAIRIE CREEK

04.96 N US 50, Daviess, IN

Built 2012 Load: 38.2 t ADT: 7,500

UNION RIDGE ROAD

Good

Over: BR OF LITTLE HOGAN CR

01.50 NW N HOGAN RD, Dearborn, IN

Built 1980 Load: 38.2 t ADT: 90

CR 800 WEST

Good

Over: SHOEMAKER DITCH

00.50 S of CR 550 S, Delaware, IN

Built 1991 Load: 38.2 t ADT: 38,060

I-64 WB

Good

Over: TRIBUTARY OF HUNLEY CREE

02.14 W SR 162, Dubois, IN

Built 1971 Load: 38.2 t ADT: 7,828

CR 300N

Good

Over: PATOKA River

00.10 W of CR 175 E, Dubois, IN

Built 1988 Load: 38.2 t ADT: 531

US 20 EB

Good

Over: YELLOW CREEK

00.59 E US 33, Elkhart, IN

Built 1991 Load: 38.2 t ADT: 11,659

US 20 WB

Good

Over: YELLOW CREEK

00.59 E US 33, Elkhart, IN

Built 1991 Load: 38.2 t ADT: 11,659

CR 35

Good

Over: LITTLE ELKHART RIVER

00.10 N OF CR 8, Elkhart, IN

Built 1970 Load: 38.2 t ADT: 1,528

CR 300N

Good

Over: WILLIAMS CREEK

00.40 E CR 550 W, Fayette, IN

Built 2018 Load: 38.2 t ADT: 425

Showing 15,101-15,150 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.