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

DUNN RD

Good

Over: GOOSE CREEK

00.10 E OF SR 67, Owen, IN

Built 2002 Load: 39.0 t ADT: 190

US 231

Good

Over: JONES CREEK

04.07 S US 36, Putnam, IN

Built 1931 Load: 39.0 t ADT: 5,680

GREEN RIVER RD

Good

Over: PIGEON CREEK OVERFLOW

00.61 N OF LYNCH RD, Vanderburgh, IN

Built 2010 Load: 39.0 t ADT: 15,925

CR 800E

Good

Over: BIG INDIAN CREEK

00.20 N OF CR 900 S, Whitley, IN

Built 2016 Load: 39.0 t ADT: 400

SOUTHEAST DR

Good

Over: SPRING LAKE

00.06 N of SUGAR CREEK DR, Hancock, IN

Built 2010 Load: 39.1 t ADT: 140

HILLTOP Rd

Good

Over: LEATHERWOOD Creek

00.10 W of CR 190 W, Parke, IN

Built 2006 Load: 39.1 t ADT: 163

SPADES ROAD

Good

Over: RIPLEY CREEK

00.28 S OF SR 48, Ripley, IN

Built 1974 Load: 39.1 t ADT: 350

CR 600N

Good

Over: HONEY CREEK

00.22 W of US 231, Spencer, IN

Built 1978 Load: 39.1 t ADT: 100

CR 600S

Good

Over: PRAIRIE CREEK

00.50 E OF CR 775 W, Tipton, IN

Built 2006 Load: 39.1 t ADT: 225

SR 218

Good

Over: SMITH-SHOEMAKER DITCH

02.10 E US 27, Adams, IN

Built 2010 Load: 39.2 t ADT: 1,920

STATE LINE ROAD

Good

Over: HINES DITCH

0.50 MI. N. JCT. T. 152, Adams, IN

Built 1976 Load: 39.2 t ADT: 289

SR 3 NB

Good

Over: WILLOW CREEK

04.19 S SR 205, Allen, IN

Built 1959 Load: 39.2 t ADT: 7,596

SR 3 SB

Good

Over: WILLOW CREEK

04.19 S SR 205, Allen, IN

Built 1959 Load: 39.2 t ADT: 7,596

I-65 NB

Good

Over: DENOIS CREEK

01.89 N SR 58, Bartholomew, IN

Built 1960 Load: 39.2 t ADT: 23,670

I-65 SB

Good

Over: DENOIS CREEK

01.89 N SR 58, Bartholomew, IN

Built 1960 Load: 39.2 t ADT: 23,670

ROCKY FORD RD

Good

Over: HAW CREEK

00.08 W OF MARR RD, Bartholomew, IN

Built 1968 Load: 39.2 t ADT: 14,820

CR 300S

Good

Over: LITTLE PINE CREEK

00.00 Int of CR 85 7E, Benton, IN

Built 2008 Load: 39.2 t ADT: 171

US 35

Good

Over: CROOKED CREEK

04.63 N US 24 N JCT, Cass, IN

Built 1995 Load: 39.2 t ADT: 4,469

OVERHEAD BRIDGE RD

Good

Over: NORFOLK SOUTHERN RR

0.10 S OF SR 64, Crawford, IN

Built 2016 Load: 39.2 t ADT: 150

CR 700E

Good

Over: VEALES CREEK

00.90 S of CR 100 S, Daviess, IN

Built 1996 Load: 39.2 t ADT: 130

SR 46

Good

Over: LOGAN CREEK

01.14 E SR 1, Dearborn, IN

Built 2021 Load: 39.2 t ADT: 1,242

SR 46

Good

Over: GAS CREEK

00.90 E US 421, Decatur, IN

Built 2020 Load: 39.2 t ADT: 7,542

CASSOPOLIS STREET

Good

Over: CHRISTIANA CREEK

00.10 N OF BEARDSLEY, Elkhart, IN

Built 2001 Load: 39.2 t ADT: 7,920

US 41 NBL

Good

Over: S FORK RICHLAND CREEK

00.28 S SR 64, Gibson, IN

Built 1959 Load: 39.2 t ADT: 10,350

US 41 NBL

Good

Over: N FORK RICHLAND CREEK

00.28 N SR 64, Gibson, IN

Built 1959 Load: 39.2 t ADT: 7,450

US 41 SBL

Good

Over: N FORK RICHLAND CREEK

00.28 N SR 64, Gibson, IN

Built 1959 Load: 39.2 t ADT: 7,650

CR 1200 S

Good

Over: BRANCH OF MEUSES CREEK

00.40 E OF CR 325 W, Gibson, IN

Built 1997 Load: 39.2 t ADT: 125

CHESTER RD

Good

Over: CARMEL CREEK

00.11 S OF 104TH ST, Hamilton, IN

Built 1994 Load: 39.2 t ADT: 2,450

146TH ST WEST

Good

Over: BEAR CREEK

00.25 MI E LITTLE CREEK A, Hamilton, IN

Built 2023 Load: 39.2 t ADT: 11,400

RONALD REAGAN SB

Good

Over: EAST FORK WHITE LICK CR

00.36 N I-70, Hendricks, IN

Built 2005 Load: 39.2 t ADT: 15,000

CR 300S

Good

Over: MILL CREEK

00.25 W OF CR 450 W, Hendricks, IN

Built 1995 Load: 39.2 t ADT: 150

CR 400 N

Good

Over: SOUTH FORK LITTLE DEER C

0.2 MI W CR 1150 W, Howard, IN

Built 1999 Load: 39.2 t ADT: 116

CR 1400 E

Good

Over: MIDDLE FORK DITCH

0.2 MI S SR 26, Howard, IN

Built 1994 Load: 39.2 t ADT: 109

CR 900 SOUTH

Good

Over: SALAMONIE RIVER

0.01 MI W OF S BELLVILLE, Huntington, IN

Built 1900 Load: 39.2 t ADT: 1,103

CR 500 WEST

Good

Over: LOON CREEK

0.3 MI S OF CR 100 N, Huntington, IN

Built 1993 Load: 39.2 t ADT: 105

CR 300 EAST

Good

Over: COW CREEK

0.2 MI E OF CR 900 N, Huntington, IN

Built 2016 Load: 39.2 t ADT: 157

US 50 (SR 135)

Good

Over: CSX RR

00.42 W SR 135, Jackson, IN

Built 1934 Load: 39.2 t ADT: 6,667

SR 250

Good

Over: BRANCH OF POND CREEK

00.14 W SR 39, Jackson, IN

Built 1986 Load: 39.2 t ADT: 2,535

CR 1075 NORTH

Good

Over: LITTLE SALT CREEK

0.09 S OF CR 675 W, Jackson, IN

Built 1987 Load: 39.2 t ADT: 30

SR 7

Good

Over: BEAR CREEK

07.10 N SR 250, Jefferson, IN

Built 2017 Load: 39.2 t ADT: 3,970

SR 2

Good

Over: BAILEY DITCH

00.57 W US 41, Lake, IN

Built 1995 Load: 39.2 t ADT: 2,578

I-94 EB

Good

Over: NORRIS DITCH NO 1

01.19 E US 421, LaPorte, IN

Built 1971 Load: 39.2 t ADT: 19,735

I-94 WB

Good

Over: NORRIS DITCH NO 1

01.19 E US 421, LaPorte, IN

Built 1971 Load: 39.2 t ADT: 27,527

HARRISON ST

Good

Over: ALEXANDRIA CREEK

00.20 N CR 1000 N, Madison, IN

Built 1958 Load: 39.2 t ADT: 1,058

CR 400E

Good

Over: VERMILLION CREEK

00.20 S CR 1000 N, Madison, IN

Built 1998 Load: 39.2 t ADT: 281

CR 150W

Good

Over: SPRING CREEK

00.10 N SR 38, Madison, IN

Built 1995 Load: 39.2 t ADT: 281

I-70 EB

Good

Over: LEWIS STR, MONON TRAIL

00.61 E I-65, Marion, IN

Built 2022 Load: 39.2 t ADT: 48,680

38TH STREET

Good

Over: CONRAIL RR

00.40 E OF ARLINGTON AVEN, Marion, IN

Built 1935 Load: 39.2 t ADT: 18,446

US 31 NB

Good

Over: UNT ELMER SELTENRIGHT DI

01.83 S US 6, Marshall, IN

Built 2014 Load: 39.2 t ADT: 9,744

INDIAN SPRINGS RD

Good

Over: SULPHUR CREEK

1.19 N OF SR 450, Martin, IN

Built 2017 Load: 39.2 t ADT: 63

Showing 15,351-15,400 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.