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

ANGEL RUN RD

Good

Over: CRANDALL BRANCH

00.70 SW OF OLD LANESVILL, Harrison, IN

Built 1991 Load: 35.3 t ADT: 780

SR 75

Good

Over: BRANCH RAMP RUN

03.15 N US 36, Hendricks, IN

Built 1990 Load: 35.3 t ADT: 1,090

CR 375E

Good

Over: BRANCH OF MCCRACKEN CR

00.50 S OF CR 700 S, Hendricks, IN

Built 2021 Load: 35.3 t ADT: 400

US 31 SB

Good

Over: DRAIN & MULTI-USE PATH

00.63 S SR 931, Howard, IN

Built 2013 Load: 35.3 t ADT: 17,328

SEMINARY STREET

Good

Over: COW CREEK

0.02 MI N OF VINE ST, Huntington, IN

Built 2005 Load: 35.3 t ADT: 315

SR 11

Good

Over: E FK WHITE RIVER OVFL

02.27 N SR 258, Jackson, IN

Built 1940 Load: 35.3 t ADT: 11,680

I-65 SB

Good

Over: VERNON FK MUSCATATUCK RI

00.54 N US 31, Jackson, IN

Built 1955 Load: 35.3 t ADT: 19,005

US 231

Good

Over: IROQUOIS RIVER

00.19 S SR 114, Jasper, IN

Built 1941 Load: 35.3 t ADT: 4,220

CR 500S

Good

Over: PURSIFULL DITCH

0.4 MILES WEST OF CR 250, Jay, IN

Built 1994 Load: 35.3 t ADT: 74

US 50

Good

Over: CSX RR

03.67 W SR 3, Jennings, IN

Built 2013 Load: 35.3 t ADT: 5,220

CR 900 E

Good

Over: SUGAR CREEK

00.03 S OF CR 1100 N, Jennings, IN

Built 2018 Load: 35.3 t ADT: 100

I-69 NB/SB

Good

Over: SMITH VALLEY ROAD

003.07 N SR 144, Johnson, IN

Built 2023 Load: 35.3 t ADT: 21,000

COON HUNTER ROAD

Good

Over: SMALLS CREEK

01.48 NW SR 67, Knox, IN

Built 2013 Load: 35.3 t ADT: 110

101ST AVENUE

Good

Over: BULL RUN DITCH

00.20 W. of WHITE OAK Ave, Lake, IN

Built 2010 Load: 35.3 t ADT: 3,569

SR 158

Good

Over: INDIAN CREEK

06.42 W SR 458, Lawrence, IN

Built 1968 Load: 35.3 t ADT: 1,997

CR 700W

Good

Over: BIG DUCK CREEK

00.10 S CR 1500 N, Madison, IN

Built 1981 Load: 35.3 t ADT: 425

CR 300N

Good

Over: INDIAN CREEK

00.10 E CR 500 W, Madison, IN

Built 1985 Load: 35.3 t ADT: 636

RAMP TO I-465 SB

Good

Over: BIKE PATH

01.26 N I-65, Marion, IN

Built 2007 Load: 35.3 t ADT: 4,850

SHERMAN DR

Good

Over: LICK CREEK

00.15 N I-465, Marion, IN

Built 1963 Load: 35.3 t ADT: 6,231

SOUTHEASTERN AVE

Good

Over: WILDCAT BROOK

00.35 SE OF ACTON RD, Marion, IN

Built 1958 Load: 35.3 t ADT: 1,082

TAPP ROAD

Good

Over: I-69 NB/SB

00.74 S SR 45, Monroe, IN

Built 2018 Load: 35.3 t ADT: 13,061

I-74 WB

Good

Over: CSX RR

00.23 E US 231, Montgomery, IN

Built 1964 Load: 35.3 t ADT: 17,540

CR 1075E

Good

Over: WALNUT CREEK

00.20 N of CR 200 S, Montgomery, IN

Built 1993 Load: 35.3 t ADT: 150

MANN RD

Good

Over: SINKING CREEK

00.15 N OF E SPRING LAKE, Morgan, IN

Built 1977 Load: 35.3 t ADT: 3,740

SR 55

Good

Over: KANKAKEE RIVER

02.81 N SR 10, Newton, IN

Built 1997 Load: 35.3 t ADT: 2,616

SR 356

Good

Over: MUD CREEK

04.69 E SR 57, Pike, IN

Built 2023 Load: 35.3 t ADT: 1,900

OLD PORTER ROAD

Good

Over: SALT CREEK

00.20 W SALT CREEK RD, Porter, IN

Built 1970 Load: 35.3 t ADT: 2,650

US 27

Good

Over: GOSHEN DITCH

01.80 N SR 28, Randolph, IN

Built 1964 Load: 35.3 t ADT: 3,301

CR 200S

Good

Over: LITTLE WHITE RIVER

00.38 MI W of CR 1100 W, Randolph, IN

Built 2006 Load: 35.3 t ADT: 287

CR 250S

Good

Over: CABIN CREEK

00.28 MI W OF CR 625 W, Randolph, IN

Built 1977 Load: 35.3 t ADT: 182

SR 162

Good

Over: N&S RR

01.62 E SR 62, Spencer, IN

Built 1984 Load: 35.3 t ADT: 1,547

SR 23

Good

Over: YELLOW BANK CREEK

01.60 N US 6, St. Joseph, IN

Built 1973 Load: 35.3 t ADT: 4,047

JOHNSON Rd

Good

Over: GEYER Ditch

00.30 E of TAMARACK Rd, St. Joseph, IN

Built 2010 Load: 35.3 t ADT: 431

LINDEN Rd

Good

Over: HESTON Creek

01.00 N of ROCKSTROH Rd, St. Joseph, IN

Built 2011 Load: 35.3 t ADT: 109

US 30 WB

Good

Over: SHEARING DITCH

02.42 W US 35, Starke, IN

Built 1958 Load: 35.3 t ADT: 6,050

E COUNTY LINE RD

Good

Over: BRANCH POSSUM HOLLOW CRK

00.17 N OF CR 350 N, Sullivan, IN

Built 2010 Load: 35.3 t ADT: 170

Division Rd

Good

Over: Tributary Wabash River

00.06 W of CR 575 W, Tippecanoe, IN

Built 1970 Load: 35.3 t ADT: 1,779

CR 800S

Good

Over: WEA CREEK

00.03 W CR 350 E, Tippecanoe, IN

Built 2015 Load: 35.3 t ADT: 3,369

SR 71

Good

Over: BROUILLETTS CREEK

01.15 N SR 163, Vermillion, IN

Built 1968 Load: 35.3 t ADT: 851

SR 62

Good

Over: BRUCE DITCH

01.37 N SR 162, Warrick, IN

Built 1954 Load: 35.3 t ADT: 4,741

KEPLER RD

Good

Over: DRY Branch CREEK

00.30 E of JACKSONBURG Rd, Wayne, IN

Built 1971 Load: 35.3 t ADT: 438

GOOSE HEAVEN RD

Good

Over: SYMONDS CREEK

00.40 E of SYMONDS CREEK, Wayne, IN

Built 1997 Load: 35.3 t ADT: 259

CR 150S

Good

Over: Big Pine Creek

00.30 E of CR 800 E, Benton, IN

Built 1979 Load: 35.4 t ADT: 22

CR 310 SOUTH

Good

Over: LITTLE POTATO CREEK

0.10 S OF CR 300 S, Clinton, IN

Built 2003 Load: 35.4 t ADT: 103

SR 5

Good

Over: WILLIAM-BROWN/DEEMER DIT

01.38 S SR 114, Huntington, IN

Built 2005 Load: 35.4 t ADT: 1,977

CR 500 EAST

Good

Over: CARTERS CREEK

0.05 S OF CR 550 N, Orange, IN

Built 2018 Load: 35.4 t ADT: 79

COUNTY LINE RD

Good

Over: BRANCH OF MILL CREEK

0.1 S OF LEWISVILLE RD, Owen, IN

Built 1996 Load: 35.4 t ADT: 330

I-94 WB

Good

Over: NS RR

01.36 E US 20, Porter, IN

Built 1966 Load: 35.4 t ADT: 4,035

7th STREET

Good

Over: FEATHER CREEK

00.05 S OF NORTH STREET, Vermillion, IN

Built 2009 Load: 35.4 t ADT: 374

CR 300 EAST

Good

Over: BLUE CREEK

0.10 MILES S OF CR 350 S, Adams, IN

Built 2003 Load: 35.5 t ADT: 110

Showing 14,451-14,500 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.