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 750S

Fair

Over: CORNELL DITCH

00.10 E CR 250 W, Porter, IN

Built 1959 Load: 23.3 t ADT: 430

CR 150N

Fair

Over: HUTTON DITCH

01.00 E CR 450 E, Porter, IN

Built 1970 Load: 23.3 t ADT: 300

CR 650 WEST

Fair

Over: KLINE ARM DITCH

00.50 N CR 250 S, Starke, IN

Built 1974 Load: 23.3 t ADT: 525

I-70 EB

Fair

Over: WHITEWATER RIVER

01.28 W SR 1, Wayne, IN

Built 1965 Load: 23.3 t ADT: 19,818

SR 124

Fair

Over: WABASH RIVER

00.34 W SR 116, Wells, IN

Built 1997 Load: 23.3 t ADT: 2,390

STATE LINE ROAD

Fair

Over: HOFFMAN FLATROCK DRAIN

00.15 S OF PAULDING ROAD, Allen, IN

Built 1900 Load: 23.4 t ADT: 573

CR 500N

Fair

Over: WHITE LICK CREEK

00.50 E OF CR 600 E, Hendricks, IN

Built 1976 Load: 23.4 t ADT: 4,575

CR 900 WEST

Fair

Over: DAUSMAN DITCH

00.90 N OF SR 19, Kosciusko, IN

Built 1980 Load: 23.4 t ADT: 150

CR 800 EAST

Fair

Over: BIG PIPE CREEK

0.10 S OF BOND CEM ROAD, Miami, IN

Built 1965 Load: 23.4 t ADT: 250

EATON WHEELING PK

Fair

Over: PIKE CREEK

00.05 NW of CR 364 W, Delaware, IN

Built 1954 Load: 23.5 t ADT: 590

CR 450S

Fair

Over: FLAT CREEK

01.60 E SR 162, Dubois, IN

Built 2002 Load: 23.5 t ADT: 13

THOMPSON RD

Fair

Over: BUCK CREEK

00.45 E OF SENOUR RD, Marion, IN

Built 1958 Load: 23.5 t ADT: 2,804

RHORER ROAD

Fair

Over: JACKSON CREEK

0.8 MI WEST OF HARRELL RD, Monroe, IN

Built 1966 Load: 23.5 t ADT: 3,429

CR 1300 S

Fair

Over: HUNTER DITCH

0.3 MI E CR 350 E, Newton, IN

Built 1960 Load: 23.5 t ADT: 285

CR 720S

Fair

Over: Branch of Big RACCOON Cr

00.40 W of SR 59, Parke, IN

Built 1920 Load: 23.5 t ADT: 42

CR 5W

Fair

Over: SUNDERLAND Branch

00.00 Int of CR 275 S, Parke, IN

Built 1920 Load: 23.5 t ADT: 38

SADDLE CLUB Rd

Fair

Over: Little RACCOON Creek

00.30 S of CR 650 N, Parke, IN

Built 1930 Load: 23.5 t ADT: 115

SMILEY Rd

Fair

Over: S Fork Little RACCOON Cr

00.10 S of CR 350 N, Parke, IN

Built 1911 Load: 23.5 t ADT: 51

TOWPATH Rd

Fair

Over: JIM Branch

00.10 N of CR 925 N, Parke, IN

Built 1915 Load: 23.5 t ADT: 122

CR 400S

Fair

Over: SUNDERLAND Branch

00.02 E Int of CATLIN Rd, Parke, IN

Built 1925 Load: 23.5 t ADT: 43

MANSFIELD Rd

Fair

Over: Branch of Big RACCOON Cr

00.05 W of SR 59, Parke, IN

Built 1930 Load: 23.5 t ADT: 94

CR 400E

Fair

Over: PORTER CREEK

03.16 N SR 28, Randolph, IN

Built 1988 Load: 23.5 t ADT: 305

CABIN ROAD

Fair

Over: TOBOGGAN RUN

00.00 POKAGON STATE PARK, Steuben, IN

Built 1965 Load: 23.5 t ADT: 10

CR 200S

Fair

Over: CLEAR BRANCH CREEK

00.50 W CR 425 W, Clay, IN

Built 2008 Load: 23.6 t ADT: 179

CR 350E

Fair

Over: E FORK COAL CREEK

00.30 S JCT US 136, Fountain, IN

Built 2006 Load: 23.6 t ADT: 125

CR 1000E

Fair

Over: LITTLE WHITE LICK CREEK

00.20 S OF CR 300 N, Hendricks, IN

Built 1972 Load: 23.6 t ADT: 2,150

CLAIRE ROAD

Fair

Over: VIEKE DITCH

00.12 W OF 6TH STREET ROA, Knox, IN

Built 1965 Load: 23.6 t ADT: 130

LONG ROAD

Fair

Over: ROBERSON DITCH

00.98 S OF GOLF COURSE RO, Knox, IN

Built 1991 Load: 23.6 t ADT: 130

PEPMEIER ROAD

Fair

Over: TILLY DITCH

00.57 E OF OAKTOWN ROAD, Knox, IN

Built 1993 Load: 23.6 t ADT: 130

ROD AND GUN CLUB

Fair

Over: SMALLS CREEK

00.76 N OF WINDMILL ROAD, Knox, IN

Built 1993 Load: 23.6 t ADT: 130

High School Rd

Fair

Over: Caney Creek

00.97 MI E of SR 165, Posey, IN

Built 1976 Load: 23.6 t ADT: 162

SR 63

Fair

Over: HONEY CREEK

02.86 S I-70, Vigo, IN

Built 1939 Load: 23.6 t ADT: 15,274

CR 650N

Fair

Over: JORDAN CREEK

00.30 E of CR 800 W, Warren, IN

Built 1967 Load: 23.6 t ADT: 230

CR 800N

Fair

Over: HAW CREEK

00.69 E OF SR 9, Bartholomew, IN

Built 1976 Load: 23.7 t ADT: 1,470

8TH ST (EAST)

Fair

Over: HAW CREEK

00.28 E OF CENTRAL AVE, Bartholomew, IN

Built 1978 Load: 23.7 t ADT: 20,010

SR 57

Fair

Over: LAGOON DITCH

02.81 S SR 358, Daviess, IN

Built 1985 Load: 23.7 t ADT: 5,741

I-74 WB

Fair

Over: FLATROCK RIVER

05.05 W US 421, Decatur, IN

Built 1961 Load: 23.7 t ADT: 11,343

SR 15

Fair

Over: NS RR, ROCK RUN CREEK

00.10 N of US 33, Elkhart, IN

Built 1984 Load: 23.7 t ADT: 12,678

CR 34

Fair

Over: ROCK RUN CREEK

00.10 E OF CR 29, Elkhart, IN

Built 1979 Load: 23.7 t ADT: 1,444

SR 9 NB

Fair

Over: SALAMONIE RIVER

00.52 N SR 124, Huntington, IN

Built 1965 Load: 23.7 t ADT: 1,960

SR 9 SB

Fair

Over: SALAMONIE RIVER

00.52 N SR 124, Huntington, IN

Built 1965 Load: 23.7 t ADT: 1,960

SR 356

Fair

Over: WOODS FORK CREEK

03.00 W SR 62, Jefferson, IN

Built 1965 Load: 23.7 t ADT: 3,517

SOUTHPORT ROAD

Fair

Over: I-65 NB/SB

02.82 S I-465, Marion, IN

Built 1970 Load: 23.7 t ADT: 30,224

I-465 SB

Fair

Over: CSX RR

00.24 N US 36 / SR 67, Marion, IN

Built 1966 Load: 23.7 t ADT: 83,312

CR 700W

Fair

Over: TIPPECANOE RIVER

00.32 N OF COUNTY LINE RD, Noble, IN

Built 1920 Load: 23.7 t ADT: 290

Reynolds Rd

Fair

Over: Black River

00.20 MI E PUMPKIN RUN RD, Posey, IN

Built 1925 Load: 23.7 t ADT: 161

CR 1100W

Fair

Over: BIG MONON DITCH

00.86 N OF SR 14, Pulaski, IN

Built 1989 Load: 23.7 t ADT: 30

CR 100N

Fair

Over: DEER CREEK

00.20 E of CR 750 E, Putnam, IN

Built 2004 Load: 23.7 t ADT: 750

WEST LAKE RD W

Fair

Over: BIG OX CREEK

00.50 W OF BOATMAN RD, Scott, IN

Built 1960 Load: 23.7 t ADT: 100

CR 850 S

Fair

Over: BUSSERON CREEK

00.62 E OF CR 18 SW, Sullivan, IN

Built 1971 Load: 23.7 t ADT: 140

Showing 3,101-3,150 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.