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 600N

Poor

Over: SALT CREEK

00.25 W JCT SR 149, Porter, IN

Built 1970 Load: 16.5 t ADT: 1,670

N HOGAN RD

Poor

Over: BRANCH OF N HOGAN CREEK

00.30 SE OF SHORT RIDGE, Dearborn, IN

Built 1915 Load: 16.7 t ADT: 1,050

HOOT RD

Poor

Over: WEST FORK OF FISH CREEK

0.6 N OF GOOSE CREEK RD, Owen, IN

Built 1940 Load: 16.7 t ADT: 110

DRY RUN ROAD

Poor

Over: DRY RUN

1.30 N OF TOWER ROAD, Crawford, IN

Built 1905 Load: 16.8 t ADT: 411

TANNEHILL RD

Poor

Over: DRIFTWOOD RIVER

01.14 W OF US 31, Bartholomew, IN

Built 1966 Load: 17.0 t ADT: 2,150

SHAFER RIDGE ROAD

Poor

Over: DRY RUN

1.20 E OF BAUER LANE, Crawford, IN

Built 1930 Load: 17.0 t ADT: 140

CR 250 E

Poor

Over: Branch of INDIAN Creek

00.40 SE of 660 S., Dubois, IN

Built 1990 Load: 17.0 t ADT: 2

CR 400N

Poor

Over: WILSON CREEK

0.5 MILES EAST OF CR 700, Jay, IN

Built 1984 Load: 17.0 t ADT: 138

CR 250 WEST

Poor

Over: KILMORE CREEK

0.50 N OF CR 300 N, Clinton, IN

Built 1923 Load: 17.1 t ADT: 103

CR 400S

Poor

Over: MUD CREEK

00.20 E OF CR 200 W, Fulton, IN

Built 1950 Load: 17.1 t ADT: 100

RED CRANE ROAD

Poor

Over: BRANCH GUTHRIE CREEK

02.02 N OF TUNNELTON RD, Lawrence, IN

Built 2004 Load: 17.1 t ADT: 255

JEFFERSON STREET

Poor

Over: LEATHERWOOD CREEK

00.01 N OF GROUNDHOG RD, Lawrence, IN

Built 1935 Load: 17.1 t ADT: 138

CR 500N

Poor

Over: LICK CREEK

00.10 W of CR 250 W, Fayette, IN

Built 1968 Load: 17.3 t ADT: 125

HARBISON ROAD

Poor

Over: JACKS DEFEAT CREEK

00.00 INT HARTSTRAIT ROAD, Monroe, IN

Built 1930 Load: 17.3 t ADT: 14

MORRIS ST

Poor

Over: SALEM CREEK

00.05 E OF RACEWAY RD, Marion, IN

Built 1959 Load: 17.4 t ADT: 9,267

CR 450 EAST

Poor

Over: DANIEL CREEK

0.40 N OF WABASH ROAD, Miami, IN

Built 1925 Load: 17.4 t ADT: 100

CR 600S

Poor

Over: SAND BRANCH

00.22 E OF CR 450 E, Bartholomew, IN

Built 1980 Load: 17.5 t ADT: 620

MAIN ST

Poor

Over: MILLSTONE CREEK

00.10 E OF EAST ST, Decatur, IN

Built 1935 Load: 17.5 t ADT: 1,210

CR 900 WEST

Poor

Over: HOG RUN

0.60 N OF CR 550 N, Clinton, IN

Built 1933 Load: 17.6 t ADT: 102

SAND ROAD

Poor

Over: BLACK CREEK

00.65 W OF PAHMEIER ROAD, Knox, IN

Built 1920 Load: 17.8 t ADT: 153

CR 400S

Poor

Over: RAY COX DITCH

00.50 E OF CR 750 W, Tipton, IN

Built 1980 Load: 17.8 t ADT: 125

LAUMAN RD

Poor

Over: SOUTH HOGAN CREEK

01.60 N US 50, Dearborn, IN

Built 1940 Load: 18.0 t ADT: 100

Mulberry St

Poor

Over: CSX Railroad

00.06 MI S of E. GRANT ST, Posey, IN

Built 1960 Load: 18.0 t ADT: 628

SHIVELY Rd

Poor

Over: KLINE Ditch

00.30 E of MIAMI Hwy, St. Joseph, IN

Built 1935 Load: 18.0 t ADT: 242

CR 400W

Poor

Over: RAMP RUN

00.05 S OF CR 200 N, Hendricks, IN

Built 1925 Load: 18.1 t ADT: 150

CR 600 WEST

Poor

Over: SOUTH FORK WILDCAT CREEK

0.40 N of CR 200 N, Clinton, IN

Built 1923 Load: 18.2 t ADT: 102

400 NORTH

Poor

Over: MUTTON CREEK

1.8 MI SW OF HDQRTRS, Jackson, IN

Built 1982 Load: 18.2 t ADT: 140

BINYON STREET

Poor

Over: CEDAR CREEK

00.10 W. of MORSE ST., Lake, IN

Built 1940 Load: 18.2 t ADT: 256

CR 700 SOUTH

Poor

Over: PATOKA RIVER

0.20 E OF CR 325 E, Orange, IN

Built 1885 Load: 18.2 t ADT: 100

CR 1100W

Poor

Over: N. FORK VERMILION RIVER

00.60 N of CR 800 S, Benton, IN

Built 1914 Load: 18.3 t ADT: 50

COLD SPRINGS ROAD

Poor

Over: SKINNER BRANCH

0.20 W OF CORWIN ROAD, Greene, IN

Built 1950 Load: 18.3 t ADT: 413

CR 550E (OLD US 31

Poor

Over: SUGAR CREEK

0.50 S OF CR 500 S, Johnson, IN

Built 1925 Load: 18.3 t ADT: 324

POTTERSVILLE RD

Poor

Over: BRANCH OF MILLS CREEK

01.30 N BRAYSVILLE RD, Owen, IN

Built 1940 Load: 18.3 t ADT: 860

SHORTER Rd

Poor

Over: STRANGERS Branch

00.30 W of PIATESVLE Rd, Parke, IN

Built 1930 Load: 18.3 t ADT: 727

WALKER RAMP RD

Poor

Over: BRANCH BIG RACCOON CR

00.10 N FERNDALE RD, Parke, IN

Built 1920 Load: 18.3 t ADT: 213

CR 300E

Poor

Over: BRANCH S FK PATOKA RIVER

00.08 S CR 725 S, Pike, IN

Built 1930 Load: 18.3 t ADT: 164

CR 300W

Poor

Over: PATOKA RIVER

00.70 S CR 200 S, Pike, IN

Built 1930 Load: 18.5 t ADT: 15

PARRISH AVENUE

Poor

Over: BRANCH OF CEDAR LAKE

00.50 S. of 133rd Ave, Lake, IN

Built 1969 Load: 18.6 t ADT: 3,657

SLUSHER RD

Poor

Over: EDGERTON-CARSON DRAIN

00.01 W OF BROBST ROAD, Allen, IN

Built 1935 Load: 18.8 t ADT: 175

SMITH VALLEY ROAD

Poor

Over: CONRAIL RAILROAD

0.30 E OF MERIDIAN ST, Johnson, IN

Built 1972 Load: 18.9 t ADT: 18,020

CR 700W

Poor

Over: BROOKS CREEK

0.6 MILES SOUTH OF CR 200, Jay, IN

Built 1985 Load: 19.0 t ADT: 138

BABY CREEK ROAD

Poor

Over: BRUMMETT CREEK

00.00 INT BRUMMETTS CR RD, Monroe, IN

Built 1977 Load: 19.0 t ADT: 67

Griffin Rd

Poor

Over: Black River

01.95 MI N of LEE ROAD, Posey, IN

Built 1892 Load: 19.0 t ADT: 263

SAMPLE RD

Poor

Over: GREENS FORK

00.20 E of SWALLOW Rd, Wayne, IN

Built 1909 Load: 19.0 t ADT: 146

CR 710 EAST

Poor

Over: S FORK OF WILDCAT CREEK

0.30 N OF CR 100 N, Clinton, IN

Built 1927 Load: 19.1 t ADT: 103

CR 142

Poor

Over: TURKEY CREEK

00.10 E OF CR 21, Elkhart, IN

Built 1963 Load: 19.1 t ADT: 3,630

CEDAR POINT DR

Poor

Over: SPRING MILL RUN

00.40 N OF 96TH ST, Hamilton, IN

Built 1981 Load: 19.1 t ADT: 330

BASE LINE ROAD

Poor

Over: BLUEGRASS CREEK

00.58 MI W OF ST JOHNS RD, Warrick, IN

Built 1987 Load: 19.1 t ADT: 199

N HOGAN RD

Poor

Over: BRANCH OF NORTH HOGAN CR

00.40 E OF UNION RIDGE, Dearborn, IN

Built 1920 Load: 19.2 t ADT: 950

CR 300E

Poor

Over: LITTLE SALAMONIE RIVER

0.6 MILES NORTH OF CR 400, Jay, IN

Built 1982 Load: 19.2 t ADT: 138

Showing 17,901-17,950 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.