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 700 W

Good

Over: NEW PATOKA RIVER

01.00 N OF CR 50 N, Gibson, IN

Built 1999 Load: 36.9 t ADT: 110

CR 600N

Good

Over: TEN MILE CREEK

00.10 MI E of SR 13, Grant, IN

Built 2003 Load: 36.9 t ADT: 130

OVERDORF RD

Good

Over: SHY ROCK DITCH

00.27 N OF 221ST ST, Hamilton, IN

Built 2000 Load: 36.9 t ADT: 460

CR 600N

Good

Over: BARNETT DRAIN

00.30 W OF CR 100 E, Hendricks, IN

Built 1985 Load: 36.9 t ADT: 175

CR 525E

Good

Over: ABNER CREEK

01.00 S OF CR 100 S, Hendricks, IN

Built 1964 Load: 36.9 t ADT: 2,250

US 31 NB

Good

Over: DRAIN & MULTI-USE PATH

00.63 S SR 931, Howard, IN

Built 2013 Load: 36.9 t ADT: 17,328

CR 400 N

Good

Over: SOUTH FORK DEER CREEK

0.4 MI W CR 400 E, Howard, IN

Built 1996 Load: 36.9 t ADT: 2,218

CR 400 EAST

Good

Over: CALF CREEK

0.5 MI N OF CR 1100 N, Huntington, IN

Built 1997 Load: 36.9 t ADT: 214

US 31 NB

Good

Over: AMITY DITCH

01.14 N SR 252, Johnson, IN

Built 1950 Load: 36.9 t ADT: 5,716

US 31 SB

Good

Over: AMITY DITCH

01.14 N SR 252, Johnson, IN

Built 1950 Load: 36.9 t ADT: 5,598

I-65 SB

Good

Over: GREENWOOD RD/950 N

06.72 S I-465, Johnson, IN

Built 2016 Load: 36.9 t ADT: 34,692

I-69 NB

Good

Over: SLY FORK

00.23 S SR 236, Madison, IN

Built 1963 Load: 36.9 t ADT: 20,840

I-69 SB

Good

Over: SLY FORK

00.23 S SR 236, Madison, IN

Built 1963 Load: 36.9 t ADT: 20,840

SOUTH A ST

Good

Over: BIG DUCK CREEK

00.20 W SR 13, Madison, IN

Built 2010 Load: 36.9 t ADT: 1,561

US 36, SR 67

Good

Over: INDIAN CREEK

03.82 W SR 234, Marion, IN

Built 2005 Load: 36.9 t ADT: 34,220

I-70 WB

Good

Over: POGUES RUN

03.10 W I-465, Marion, IN

Built 1969 Load: 36.9 t ADT: 84,506

I-65 NB

Good

Over: MARKET STREET

01.00 N I-70, Marion, IN

Built 2022 Load: 36.9 t ADT: 62,989

I-65 SBL - CD

Good

Over: NEW YORK STREET

01.19 N I-70, Marion, IN

Built 2023 Load: 36.9 t ADT: 72,718

SR 37 SB

Good

Over: ABANDONED RR

03.65 S SR 45, Monroe, IN

Built 1973 Load: 36.9 t ADT: 27,750

GRIMES LANE

Good

Over: JORDAN RIVER

00.10 W WALNUT STREET, Monroe, IN

Built 1987 Load: 36.9 t ADT: 13,691

VERNAL PIKE

Good

Over: RICHLAND CREEK

00.20 N OARD ROAD, Monroe, IN

Built 2013 Load: 36.9 t ADT: 684

CR 550E

Good

Over: BRANCH OF WALNUT CREEK

00.30 N of US 136, Montgomery, IN

Built 1999 Load: 36.9 t ADT: 100

CR 270

Good

Over: DEER Creek

00.10 E of CR 5 (Deer Cr), Perry, IN

Built 2019 Load: 36.9 t ADT: 110

I-69 NB

Good

Over: PRIDES CREEK

01.68 N SR 57, Pike, IN

Built 2012 Load: 36.9 t ADT: 18,545

I-69 SB

Good

Over: PRIDES CREEK

01.68 N SR 57, Pike, IN

Built 2011 Load: 36.9 t ADT: 9,297

SR 2

Good

Over: SIEVERS CREEK

04.15 W US 30, Porter, IN

Built 1988 Load: 36.9 t ADT: 6,896

SR 62 EB

Good

Over: CYPRESS CREEK

05.40 E SR 69, Posey, IN

Built 1976 Load: 36.9 t ADT: 8,398

CR 600E

Good

Over: MISSISSINEWA RIVER

03.86 MI N SR 28, Randolph, IN

Built 1985 Load: 36.9 t ADT: 178

LOVERS LN

Good

Over: PIGEON ROOST CREEK

00.85 E OF MAIN ST, Scott, IN

Built 2007 Load: 36.9 t ADT: 1,550

SR 23

Good

Over: JUDAY CREEK

00.90 S I-90, St. Joseph, IN

Built 1998 Load: 36.9 t ADT: 27,405

SCHAEFFER RD

Good

Over: BRANCH OF LOCUST CREEK

00.10 N OF KISSEL RD, Vanderburgh, IN

Built 2004 Load: 36.9 t ADT: 253

GREEN RIVER RD

Good

Over: FIRLICK CREEK

00.40 N OF HECKEL RD, Vanderburgh, IN

Built 2010 Load: 36.9 t ADT: 14,842

SR 63

Good

Over: HAYWORTH SLOUGH

05.58 N SR 246, Vigo, IN

Built 2005 Load: 36.9 t ADT: 2,231

CR 1000 SOUTH

Good

Over: SCUFFLE CREEK

00.20 W OF CR 50 E, Wells, IN

Built 2019 Load: 36.9 t ADT: 129

CR 900 NORTH

Good

Over: SCHUELER DITCH

0.10 MILES W OF CR 300 W, Adams, IN

Built 1974 Load: 37.0 t ADT: 507

CR 300W

Good

Over: DEER Creek

00.36 S of SR 218, Carroll, IN

Built 1993 Load: 37.0 t ADT: 155

FAIRFIELD CAUSEWAY

Good

Over: TEMPLETON CREEK

00.50 W of SR 101, Franklin, IN

Built 1991 Load: 37.0 t ADT: 475

STINEMYER RD

Good

Over: MUD CREEK

00.03 W OF 600 W, Hancock, IN

Built 1991 Load: 37.0 t ADT: 620

CR 850E

Good

Over: TAIL RUN

00.35 N OF CR 300 S, Henry, IN

Built 1975 Load: 37.0 t ADT: 100

CR 200 NORTH

Good

Over: BALLARD CREEK

0.18 W OF SR 135, Jackson, IN

Built 1985 Load: 37.0 t ADT: 400

MT PLEASANT ROAD

Good

Over: PLEASANT RUN CREEK

01.51 N OF SR 58, Lawrence, IN

Built 2014 Load: 37.0 t ADT: 818

HOOT RD

Good

Over: SAND LICK CREEK

01.00 S PLESANT HILL RD, Owen, IN

Built 2016 Load: 37.0 t ADT: 60

CR 300N

Good

Over: BIG WALNUT CREEK

00.10 E of CR 325 E, Putnam, IN

Built 1996 Load: 37.0 t ADT: 160

ST PETERS CHURCH

Good

Over: CROOKED CREEK

00.37 E of CR 800 E, Spencer, IN

Built 2018 Load: 37.0 t ADT: 180

CR 400N

Good

Over: HONEY CREEK

00.16 W of US 231, Spencer, IN

Built 2023 Load: 37.0 t ADT: 100

OSBORNE Rd

Good

Over: POTATO Creek

00.10 E of SYCAMORE Rd, St. Joseph, IN

Built 1995 Load: 37.0 t ADT: 47

OUTER DR

Good

Over: CHANNEL EAST CLEAR LAKE

01.50 MILES N OF SR 120, Steuben, IN

Built 1980 Load: 37.0 t ADT: 400

HURSHTOWN RD

Good

Over: HAMM DITCH

00.10 W SR 37, Allen, IN

Built 1990 Load: 37.1 t ADT: 104

CR 550W

Good

Over: Little POTATO Creek

00.10 N of CR 300 S, Clinton, IN

Built 1999 Load: 37.1 t ADT: 102

CALUMET AVENUE

Good

Over: NS RAILROAD

00.40 N OF US 30, Lake, IN

Built 2004 Load: 37.1 t ADT: 22,835

Showing 14,851-14,900 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.