State profile · Below median Poor share

Indiana bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Indiana, based on the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Indiana on the same metric.

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

WY

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Indiana

CR 1000E

Unknown

Over: I-70 WB

07.43 E US 231, Putnam, IN

Built 1966 ADT: 35,534

US 27

Unknown

Over: SR 32

07.46 S SR 28, Randolph, IN

Built 1958 ADT: 16,250

US 27

Unknown

Over: EAST SHORT STREET

00.22 N SR-32, Randolph, IN

Built 1958 ADT: 530

SR 101

Unknown

Over: I-74 WBL

00.62 N SR 46, Ripley, IN

Built 1962 ADT: 10,163

I-74 EB

Unknown

Over: SR 229

00.15 N SR 46, Ripley, IN

Built 1962 ADT: 8,009

CR 1500N

Unknown

Over: I-74 WB

02.22 E SR 229, Ripley, IN

Built 1962 ADT: 9,393

CR 600E

Unknown

Over: I-74 WB

03.89 E SR 229, Ripley, IN

Built 1962 ADT: 13,839

SR 56

Unknown

Over: I-65 SBL

00.53 W US-31, Scott, IN

Built 1959 ADT: 26,266

SR 256

Unknown

Over: I-65 SBL

00.77 W US 31, Scott, IN

Built 1959 ADT: 20,763

LEOTA ROAD

Unknown

Over: I-65 SB

02.59 S SR 56, Scott, IN

Built 1985 ADT: 21,299

LAKE ROAD

Unknown

Over: I-65 SB

01.06 S SR 56, Scott, IN

Built 1959 ADT: 21,299

CR 100N

Unknown

Over: I-65 SB

01.54 N SR 56, Scott, IN

Built 1959 ADT: 16,836

SR 9

Unknown

Over: I-74 WB

01.97 N SR 44, Shelby, IN

Built 1959 ADT: 17,720

SR 244

Unknown

Over: I74 EBL

11.66 W SR 3, Shelby, IN

Built 1959 ADT: 10,729

SR 252

Unknown

Over: I-65 NB

04.32 N US 31, Shelby, IN

Built 1968 ADT: 4,835

SR 252

Unknown

Over: I-65 SB

04.32 N US 31, Shelby, IN

Built 1968 ADT: 4,835

CR 1000S

Unknown

Over: I-65 SB

00.99 N SR 252, Shelby, IN

Built 1969 ADT: 27,789

COUNTY LINE RD

Unknown

Over: I-65 NBL

03.36 N SR 252, Shelby, IN

Built 1969 ADT: 28,018

COUNTY LINE RD

Unknown

Over: I-65 SBL

03.36 N SR 252, Shelby, IN

Built 1969 ADT: 27,789

PLEASANTVIEW ROAD

Unknown

Over: I-74 EBL

07.52 E I-465, Shelby, IN

Built 1958 ADT: 18,524

LONDON ROAD

Unknown

Over: I-74 WBL

09.48 E I-465, Shelby, IN

Built 2003 ADT: 17,055

CR 400W

Unknown

Over: I-74 WBL

05.88 W SR 9, Shelby, IN

Built 1958 ADT: 19,973

BRANDYWINE ROAD

Unknown

Over: I-74 WBL

04.41 W SR 9, Shelby, IN

Built 1958 ADT: 19,973

FAIRLAND ROAD

Unknown

Over: I-74 EBL

03.42 W SR 9, Shelby, IN

Built 1958 ADT: 19,973

MICHIGAN ROAD

Unknown

Over: I-74 EBL

01.39 W SR 9, Shelby, IN

Built 1958 ADT: 19,973

KNIGHTSTOWN ROAD

Unknown

Over: I-74 EBL

01.34 E SR 9, Shelby, IN

Built 1959 ADT: 13,524

RUSHVILLE ROAD

Unknown

Over: I-74 EBL

00.86 W SR 44, Shelby, IN

Built 1959 ADT: 13,524

I-74 EB

Unknown

Over: SR 44 EB

02.71 E SR-9, Shelby, IN

Built 1959 ADT: 6,367

I-74 WB

Unknown

Over: SR 44 EBL

02.71 E SR-9, Shelby, IN

Built 1959 ADT: 6,367

BLUE RIDGE ROAD

Unknown

Over: I-74 WBL

00.87 E SR 44, Shelby, IN

Built 1959 ADT: 10,872

WALDRON RD/CR 600E

Unknown

Over: I-74 EBL

02.02 E SR 244, Shelby, IN

Built 1961 ADT: 10,730

COUNTY LINE RD

Unknown

Over: I-74 WB

04.63 E SR 244, Shelby, IN

Built 1961 ADT: 10,341

SR 161

Unknown

Over: 2ND STREET

08.29 S of SR 66, Spencer, IN

Built 1940 ADT: 1,000

US 231

Unknown

Over: SR 66

00.40 S OF SR 66, Spencer, IN

Built 2002 ADT: 4,780

SEC 2-1 RD/CR 700E

Unknown

Over: I-64 WBL

03.07 E US 231, Spencer, IN

Built 1972 ADT: 6,870

US 231 NB

Unknown

Over: SR-162

00.00 JCT SR 162, Spencer, IN

Built 2010 ADT: 1,600

US 231 SB

Unknown

Over: SR-162

00.00 JCT SR 162, Spencer, IN

Built 2008 ADT: 1,600

US 231 NB

Unknown

Over: I-64 WBL

02.01 N SR 68, Spencer, IN

Built 2008 ADT: 6,800

US 231 SB

Unknown

Over: I-64 WBL

02.01 N SR 68, Spencer, IN

Built 2008 ADT: 6,800

CONRAIL

Unknown

Over: US-20

05.26 E SR 2, St. Joseph, IN

Built 1925 ADT: 9,745

NICTD RR

Unknown

Over: US-20

05.28 E SR 2, St. Joseph, IN

Built 1925 ADT: 9,745

US 20

Unknown

Over: YORK ROAD

01.38 E US-31, St. Joseph, IN

Built 1988 ADT: 3,448

US 20

Unknown

Over: IRONWOOD RD. (& RAMPS)

01.88 E US-31, St. Joseph, IN

Built 1988 ADT: 15,286

SR 23/SR 933 NB

Unknown

Over: SR 933 NB / LINCOLNWAY

00.88 S US 20X, St. Joseph, IN

Built 1962 ADT: 10,825

SR 23

Unknown

Over: NORTHSIDE BLVD

00.09 N SR 933, St. Joseph, IN

Built 1962 ADT: 2,797

SR 23

Unknown

Over: MISHAWAKA AVENUE WB

00.19 N SR-933, St. Joseph, IN

Built 1962 ADT: 2,129

LINDEN ROAD

Unknown

Over: US-20 (US-31) WBL

01.67 E SR-23, St. Joseph, IN

Built 1997 ADT: 18,276

FRONTAGE RD

Unknown

Over: US 20/31 EB/WB

01.10 W SR 23, St. Joseph, IN

Built 1964 ADT: 118

US 20/31 EB/WB

Unknown

Over: MAYFLOWER ROAD NBL

01.52 W SR-23, St. Joseph, IN

Built 1961 ADT: 1,974

CRUMSTOWN HWY

Unknown

Over: US-20 WBL

00.51 E SR-2, St. Joseph, IN

Built 2007 ADT: 15,737

Showing 1,651-1,700 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.