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

CR 600E

Good

Over: GREENWOOD DITCH

00.40 S of SR 18, Benton, IN

Built 2013 Load: 57.7 t ADT: 120

US 31 SB

Good

Over: 2 RR, 9TH STREET

00.08 S SR 62X, Clark, IN

Built 2016 Load: 57.7 t ADT: 17,200

SAND LICK RD

Good

Over: SAND LICK CREEK

0.4 E OF SASSAFRAS RD, Owen, IN

Built 2015 Load: 57.7 t ADT: 90

SR 56

Good

Over: LITTLE JOE CREEK

01.78 E SR 39, Scott, IN

Built 2022 Load: 57.7 t ADT: 5,490

US 20 WB, US 31 NB

Good

Over: NS RR (NEW ENERGY SPUR)

00.68 W SR 23, St. Joseph, IN

Built 2003 Load: 57.7 t ADT: 17,896

SR 331

Good

Over: GRIMES DITCH

04.86 S SR 933, St. Joseph, IN

Built 2011 Load: 57.7 t ADT: 6,583

OLD FELKER ROAD

Good

Over: OTTER CREEK

0.00 W OF OTTER CREEK, Crawford, IN

Built 2010 Load: 57.8 t ADT: 50

CR 975N

Good

Over: Kobbe Ditch

00.59 E of CR 700E, Jackson, IN

Built 1999 Load: 57.9 t ADT: 35

DENMARK RD

Good

Over: WEST FORK OF LICK CREEK

00.10 E OF KELLY RD, Owen, IN

Built 2019 Load: 57.9 t ADT: 100

WASHINGTON ST

Good

Over: GAS CREEK

00.00 E OF LINCOLN ST, Decatur, IN

Built 2021 Load: 58.0 t ADT: 2,350

SR 37

Good

Over: UNDERWOOD HOLLOW

8.68 N SR 64, Orange, IN

Built 2017 Load: 58.0 t ADT: 1,230

RAIL FENCE RD

Good

Over: HARVEY BRANCH

00.10 W of HARVEY BRANCH, Franklin, IN

Built 2009 Load: 58.1 t ADT: 125

CR 700W

Good

Over: JAY DITCH

00.09 S OF 400 N, Hancock, IN

Built 2010 Load: 58.1 t ADT: 4,670

CR 725W

Good

Over: KIGIN DITCH

00.10 S OF CR 350 S, Tipton, IN

Built 2014 Load: 58.1 t ADT: 125

CR 1000 S

Good

Over: BRANCH OF NEWMAN LATERAL

00.90 E OF CR 550 W, Gibson, IN

Built 1950 Load: 58.2 t ADT: 145

CR 1300N

Good

Over: PISGAH RUN

00.50 E CR 100 E, Madison, IN

Built 2015 Load: 58.2 t ADT: 359

CR 25 SOUTH

Good

Over: WILLOW CREEK

0.10 E OF CR 225 W, Orange, IN

Built 2023 Load: 58.2 t ADT: 700

CR 125E

Good

Over: SMITH DITCH

00.60 N OF CR 400 S, Boone, IN

Built 2021 Load: 58.3 t ADT: 100

CR 100S

Good

Over: BIG Slough Creek

00.40 W of CR 600 W, Clay, IN

Built 2022 Load: 58.3 t ADT: 94

US 41

Good

Over: BRANCH COAL CREEK

01.78 N I-74, Fountain, IN

Built 2001 Load: 58.3 t ADT: 4,625

US 50

Good

Over: UNT CLEAR SPRING CREEK

04.28 W SR 235, Jackson, IN

Built 2017 Load: 58.3 t ADT: 3,657

CR 200E

Good

Over: UNNAMED DITCH

00.10 N CR 1200 N, Madison, IN

Built 2008 Load: 58.4 t ADT: 1,349

WEST 5A ROAD

Good

Over: ELMER SELTENRIGHT DITCH

00.10 E OF MICHIGAN ROAD, Marshall, IN

Built 1991 Load: 58.5 t ADT: 125

WEST 20TH B ROAD

Good

Over: EDDY CREEK

00.20 W OF S. MUCKSHAW RO, Marshall, IN

Built 1987 Load: 58.5 t ADT: 100

SOUTH IRIS ROAD

Good

Over: CREWS DITCH

00.40 S OF E. 9B ROAD, Marshall, IN

Built 1988 Load: 58.5 t ADT: 200

PEAVINE RD

Good

Over: STOTTS CREEK

00.92 N OF 65 S, Morgan, IN

Built 2016 Load: 58.5 t ADT: 240

S BLOOMINGTON TRL

Good

Over: LITTLE OX CREEK

00.84 S OF LEOTA RD, Scott, IN

Built 2003 Load: 58.5 t ADT: 300

SR 71

Good

Over: KULT DITCH

02.66 N SR 352, Benton, IN

Built 2005 Load: 58.6 t ADT: 140

CR 300E

Good

Over: Middle Fork WILDCAT Cr

00.43 S of CR 700 S, Carroll, IN

Built 1989 Load: 58.6 t ADT: 252

SR 431 NB

Good

Over: COOL CREEK & TRAIL

0.44 S 146th ST, Hamilton, IN

Built 2012 Load: 58.6 t ADT: 11,596

CR 450N

Good

Over: SOLOMON CREEK

00.38 W OF JEFFERSON ST, Noble, IN

Built 1991 Load: 58.6 t ADT: 900

I-65 NB

Good

Over: BURNETT CREEK

00.77 N SR 43, Tippecanoe, IN

Built 1968 Load: 58.6 t ADT: 45,595

RACEWAY RD

Good

Over: SCHOOL CREEK

00.07 S OF 46TH STREET, Hendricks, IN

Built 1983 Load: 58.7 t ADT: 5,950

GODSEY RD

Good

Over: LITTLE INDIAN CREEK

00.24 W OF IN 37, Morgan, IN

Built 2010 Load: 58.7 t ADT: 120

OLD RAILROAD RD

Good

Over: SEDWICK DITCH

1.11 E OF MAHALASVILLE RD, Morgan, IN

Built 2016 Load: 58.7 t ADT: 120

OAK HILL ROAD

Good

Over: FIRLICK CREEK

00.50 S OF KANSAS RD, Vanderburgh, IN

Built 2012 Load: 58.7 t ADT: 7,708

SR 49

Good

Over: DAVISSON DITCH

03.17 N SR 14, Jasper, IN

Built 1946 Load: 58.8 t ADT: 1,232

KITLEY AVE

Good

Over: LICK CREEK

00.25 S BROOKVILLE RD, Marion, IN

Built 1970 Load: 58.8 t ADT: 4,840

SOUTHPORT RD

Good

Over: BUNKER CREEK

00.05 E OF ARLINGTON AVE, Marion, IN

Built 2014 Load: 58.8 t ADT: 13,304

SR 66

Good

Over: PARKERS CREEK

04.35 W SR 65, Posey, IN

Built 2000 Load: 58.8 t ADT: 8,081

CR 650S

Good

Over: Dry Branch

00.23 E of CR 300 W, Warren, IN

Built 1908 Load: 58.8 t ADT: 10

WALNUT ST

Good

Over: WHITE RIVER

00.03 S of MCCULLOUGH Blv, Delaware, IN

Built 1937 Load: 58.9 t ADT: 11,930

MAIN STREET

Good

Over: HART DITCH

00.60 W. of WHITE OAK AVE, Lake, IN

Built 2019 Load: 58.9 t ADT: 14,515

I-69 NB

Good

Over: CEDAR CREEK

03.62 N SR 1, Allen, IN

Built 1961 Load: 59.0 t ADT: 17,602

I-69 SB

Good

Over: CEDAR CREEK

03.62 N SR 1, Allen, IN

Built 1961 Load: 59.0 t ADT: 15,755

SR 135

Good

Over: PLEASANT VALLEY CREEK

04.46 S SR 46, Brown, IN

Built 1969 Load: 59.0 t ADT: 1,520

SR 43

Good

Over: ANDERSON BRANCH

02.98 N SR 54, Greene, IN

Built 2002 Load: 59.0 t ADT: 680

CR 600W

Good

Over: DOE CREEK

00.14 S OF 200 S, Hancock, IN

Built 2014 Load: 59.0 t ADT: 7,070

US 31 NB/SB

Good

Over: MARTIN-YOUNGMAN DITCH

00.15 N SR 26, Howard, IN

Built 2013 Load: 59.0 t ADT: 18,720

US 231

Good

Over: TRIBUTARY TO INDIAN CREE

00.27 S SR 234, Montgomery, IN

Built 2004 Load: 59.0 t ADT: 813

Showing 17,251-17,300 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.