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

US 20/31 EB/WB

Unknown

Over: SR-2 WBL

02.35 E US-31, St. Joseph, IN

Built 1958 ADT: 9,580

FILLMORE ROAD

Unknown

Over: US 20/31 EB/WB

00.50 W SR 2, St. Joseph, IN

Built 1958 ADT: 855

US 20/31 EB/WB

Unknown

Over: ARDMORE TRAIL

01.08 W SR 2, St. Joseph, IN

Built 1958 ADT: 465

EDISON ROAD

Unknown

Over: US 20/31 EB/WB

00.85 E US-31, St. Joseph, IN

Built 1958 ADT: 1,609

US 20 WB/US 31 NB

Unknown

Over: EB LINCOLN WAY W

01.69 S I-90, St. Joseph, IN

Built 2016 ADT: 4,394

NIMTZ PARKWAY

Unknown

Over: US-31 NBL

00.55 S I-90, St. Joseph, IN

Built 1975 ADT: 14,595

US 31 SB

Unknown

Over: US-20 WBL

01.69 S I-90, St. Joseph, IN

Built 2016 ADT: 4,394

US 31 SB

Unknown

Over: I-90 RAMP/US 31

00.31 S I-90, St. Joseph, IN

Built 1979 ADT: 19,779

US 31 NB

Unknown

Over: I-90 WBL (ITR)

01.69 N US-20, St. Joseph, IN

Built 1975 ADT: 17,140

US 31 SB

Unknown

Over: I-90 EBL (ITR)

01.69 N US-20, St. Joseph, IN

Built 1975 ADT: 23,800

CLEVELAND/BRICK RD

Unknown

Over: US-31 SBL

00.44 N I-90, St. Joseph, IN

Built 1978 ADT: 11,216

ADAMS ROAD

Unknown

Over: US-31 NBL

01.48 N I-90, St. Joseph, IN

Built 1978 ADT: 9,070

GTW RR

Unknown

Over: SR 933

00.22 S SR 23, St. Joseph, IN

Built 1938 ADT: 18,728

NS & GTW RRs

Unknown

Over: SR 23 SB & SR 933 WB

00.37 S SR 933 N JCT, St. Joseph, IN

Built 1928 ADT: 7,898

NS & GTW RRs

Unknown

Over: SR 933 SB

00.26 N SR 23, St. Joseph, IN

Built 1928 ADT: 4,726

NS RR

Unknown

Over: SR 331 SB

00.18 S SR 933, St. Joseph, IN

Built 2014 ADT: 10,847

TIMOTHY ROAD

Unknown

Over: I-90 EB

13.93 E SR 39, St. Joseph, IN

Built 1956 ADT: 13,935

HAMILTON TRAIL

Unknown

Over: I-90 EB

08.70 W US 31, St. Joseph, IN

Built 1956 ADT: 13,935

CHICAGO TRAIL

Unknown

Over: I-90 WB

08.40 W US 31, St. Joseph, IN

Built 1956 ADT: 13,935

I-90 EB

Unknown

Over: TAMARACK RD

05.29 W US 31, St. Joseph, IN

Built 1956 ADT: 1,000

I-90 WB

Unknown

Over: TAMARACK RD

05.29 W US 31, St. Joseph, IN

Built 1956 ADT: 1,000

I-90 EB

Unknown

Over: SYCAMORE RD

04.28 W US 31, St. Joseph, IN

Built 1956 ADT: 143

I-90 WB

Unknown

Over: SYCAMORE ROAD

04.28 W US 31, St. Joseph, IN

Built 1956 ADT: 143

QUINCE ROAD

Unknown

Over: I-90 WB

02.40 W US 31, St. Joseph, IN

Built 1956 ADT: 13,935

PRIMROSE ROAD

Unknown

Over: I-90 WB

01.88 W US 31, St. Joseph, IN

Built 1956 ADT: 13,935

OLIVE ROAD

Unknown

Over: I-90 WBL

00.67 W US 31, St. Joseph, IN

Built 2003 ADT: 27,720

I-90 TO US 31 RAMP

Unknown

Over: I-90 WBL

00.09 E US 31, St. Joseph, IN

Built 1980 ADT: 28,960

BENDIX DRIVE NB

Unknown

Over: I-90 WB

02.31 E US 31, St. Joseph, IN

Built 1956 ADT: 14,480

I-90 WB

Unknown

Over: BENDIX DR SB

02.30 E US 31, St. Joseph, IN

Built 1976 ADT: 14,480

PORTAGE AVENUE

Unknown

Over: I-90 WB

01.88 W SR 933, St. Joseph, IN

Built 1994 ADT: 14,480

I-90 EB

Unknown

Over: RIVERSIDE DRIVE SBL

01.04 W SR 933, St. Joseph, IN

Built 1956 ADT: 1,194

I-90 WB

Unknown

Over: RIVERSIDE DRIVE SBL

01.04 W SR 933, St. Joseph, IN

Built 1956 ADT: 2,251

I-90 EB

Unknown

Over: SOUTH BEND > I-90 WB

00.13 W SR 933, St. Joseph, IN

Built 1956 ADT: 2,260

I-90 WB

Unknown

Over: Ramp to I-90(South Bend)

00.13 W SR 933, St. Joseph, IN

Built 1956 ADT: 735

I-90 EB

Unknown

Over: MCCOMBS ST

00.13 W SR 933, St. Joseph, IN

Built 1956 ADT: 118

I-90 WB

Unknown

Over: MCCOMBS ST

00.13 W SR 933, St. Joseph, IN

Built 1956 ADT: 118

I-90 EB

Unknown

Over: SR 933 NB/SB

02.92 W SR 23, St. Joseph, IN

Built 1956 ADT: 36,571

I-90 WB

Unknown

Over: SR 933

02.92 W SR 23, St. Joseph, IN

Built 1956 ADT: 36,571

I-90 EB

Unknown

Over: JUNIPER RD

00.88 E SR 933, St. Joseph, IN

Built 1956 ADT: 5,562

I-90 WB

Unknown

Over: JUNIPER RD

00.88 E SR 933, St. Joseph, IN

Built 1956 ADT: 5,662

IRONWOOD ROAD SB

Unknown

Over: I-90 EB

01.05 W SR 23, St. Joseph, IN

Built 1979 ADT: 14,460

IRONWOOD ROAD NB

Unknown

Over: I-90 EB

01.06 W SR 23, St. Joseph, IN

Built 1956 ADT: 14,480

I-90 EB

Unknown

Over: SR 23/EDWARDSBURG RD SBL

02.92 E SR 933, St. Joseph, IN

Built 1956 ADT: 26,420

I-90 WB

Unknown

Over: SR 23/EDWARDSBURG RD SBL

02.92 E SR 933, St. Joseph, IN

Built 1956 ADT: 26,420

GRAPE RD SB

Unknown

Over: I-90 WB

00.45 E SR 23, St. Joseph, IN

Built 1956 ADT: 14,480

GRAPE ROAD NB

Unknown

Over: I-90 EB

00.46 E SR 23, St. Joseph, IN

Built 1978 ADT: 14,480

MAIN STREET

Unknown

Over: I-90 WB

00.94 E SR 23, St. Joseph, IN

Built 1993 ADT: 14,460

FIR ROAD

Unknown

Over: I-90 EBL

01.74 E SR 23, St. Joseph, IN

Built 1956 ADT: 28,960

CLEVELAND ROAD

Unknown

Over: I-90 EBL

02.31 E SR-23, St. Joseph, IN

Built 1956 ADT: 28,960

I-90 RAMP TO SR 33

Unknown

Over: I-90 WBL

03.18 E SR 23, St. Joseph, IN

Built 1982 ADT: 28,260

Showing 1,701-1,750 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.