Total Bridges
18,630
Public highway bridges in Indiana
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
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%.
Condition Distribution
Bridge inventory deck-condition mix — Indiana (FHWA NBI)
Counties (92)
Adams 191 Allen 601 Bartholomew 263 Benton 147 Blackford 56 Boone 235 Brown 34 Carroll 159 Cass 161 Clark 144 Clay 144 Clinton 205 Crawford 117 Daviess 205 DeKalb 147 Dearborn 139 Decatur 141 Delaware 272 Dubois 214 Elkhart 272 Fayette 98 Floyd 144 Fountain 195 Franklin 158 Fulton 82 Gibson 348 Grant 278 Greene 233 Hamilton 440 Hancock 189 Harrison 124 Hendricks 341 Henry 192 Howard 194 Huntington 183 Jackson 308 Jasper 186 Jay 124 Jefferson 151 Jennings 148 Johnson 213 Knox 282 Kosciusko 145 LaGrange 100 LaPorte 229 Lake 488 Lawrence 158 Madison 297 Marion 964 Marshall 185 Martin 104 Miami 165 Monroe 226 Montgomery 241 Morgan 241 Newton 167 Noble 88 Ohio 41 Orange 133 Owen 143 Parke 195 Perry 146 Pike 164 Porter 280 Posey 205 Pulaski 100 Putnam 284 Randolph 253 Ripley 188 Rush 223 Scott 113 Shelby 243 Spencer 241 St. Joseph 228 Starke 85 Steuben 134 Sullivan 208 Switzerland 62 Tippecanoe 329 Tipton 109 Union 58 Vanderburgh 286 Vermillion 125 Vigo 294 Wabash 189 Warren 136 Warrick 183 Washington 173 Wayne 342 Wells 155 White 214 Whitley 112
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
53
Washington
4.81% top marginal rate
18
Indiana
4.94% top marginal rate
20
Kansas
5.25% top marginal rate
56
Wyoming
5.41% top marginal rate
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.
MOUNT LIBERTY ROAD
Structurally DeficientOver: MOUNT LIBERTY CREEK
00.10 S 4 MILE RD, Brown, IN
Built 1929 Load: 2.7 t ADT: 150
CR 250W
PoorOver: JONES CREEK
00.70 S of CR 250 N, Putnam, IN
Built 1925 Load: 2.7 t ADT: 180
CR 675W
Structurally DeficientOver: BRANCH OF LEATHERMAN CR
00.20 S of CR 125 N, Putnam, IN
Built 1930 Load: 2.7 t ADT: 130
CR 275S
Structurally DeficientOver: CONRAIL RR
00.50 E of CR 600 W, Putnam, IN
Built 1910 Load: 2.7 t ADT: 130
SHAPED CHARGE ROAD
PoorOver: LITTLE OTTER CREEK
1.2 MILES NORTH OF K RD, Ripley, IN
Built 1899 Load: 2.7 t ADT: 2
WONJU ROAD
PoorOver: TRIBUTARY OF BIG CREEK
0.3 MILE NORTH OF G ROAD, Ripley, IN
Built 1990 Load: 2.7 t ADT: 10
All Bridges in Indiana
RAMP 431NB TO 31NB
UnknownOver: US 31 NB 146TH ST EXIT R
00.24 S SR 431, Hamilton, IN
Built 2012 ADT: 11,129
US 31 NB
UnknownOver: 116TH ST WB
1.79 N I465, Hamilton, IN
Built 2016 ADT: 7,449
US 31 SB
UnknownOver: 116TH ST WB
1.79 N I-465, Hamilton, IN
Built 2016 ADT: 7,449
106TH ST EAST
UnknownOver: KEYSTONE PARKWAY SBL
00.73 E of Westfield Blvd, Hamilton, IN
Built 2009 ADT: 21,335
126TH ST EAST
UnknownOver: KEYSTONE PARKWAY SBL
00.77 E of Range Line Rd., Hamilton, IN
Built 2009 ADT: 21,335
136TH ST EAST
UnknownOver: KEYSTONE PARKWAY SBL
00.32 W of Gray Rd, Hamilton, IN
Built 2009 ADT: 21,335
116TH ST EAST
UnknownOver: KEYSTONE PARKWAY SBL
00.68 E OF WESTFIELD BLVD, Hamilton, IN
Built 2010 ADT: 21,335
CARMEL DR
UnknownOver: KEYSTONE PARKWAY SBL
00.75 E of Range Line Rd., Hamilton, IN
Built 2010 ADT: 21,335
E MAIN ST
UnknownOver: KEYSTONE PARKWAY SBL
00.75 E of Rangeline Rd., Hamilton, IN
Built 2010 ADT: 21,335
PEDESTRIAN TRAIL
UnknownOver: CARMEL DRIVE
00.23 W OF RANGELINE ROAD, Hamilton, IN
Built 2008 ADT: 10,896
PEDESTRIAN TRAIL
UnknownOver: W 146TH STREET
00.37 W OF RANGELINE RD, Hamilton, IN
Built 2013 ADT: 28,040
LOWE'S WAY
UnknownOver: KEYSTONE PARKWAY SBL
00.32 W of Gray Rd, Hamilton, IN
Built 2019 ADT: 2,490
KEYSTONE PARKWAY N
UnknownOver: E 96TH ST EB/WB
00.38 N of I-465, Hamilton, IN
Built 2019 ADT: 55,460
SR 9
UnknownOver: I-70 WB
02.45 N US 40, Hancock, IN
Built 1965 ADT: 18,975
SR 243
UnknownOver: I-70 EB
05.46 N SR 42, Hancock, IN
Built 1965 ADT: 15,520
CR 700W
UnknownOver: I-70 EBL
05.47 E I-465, Hancock, IN
Built 2022 ADT: 18,674
CR 600W
UnknownOver: I70 EB Ramp
06.57 E I-465, Hancock, IN
Built 1967 ADT: 1,825
CR 400W
UnknownOver: I-70 WBL
05.75 W SR 9, Hancock, IN
Built 1967 ADT: 24,145
CR 200W
UnknownOver: I-70 WB
03.75 W SR 9, Hancock, IN
Built 1967 ADT: 24,145
CR 400E
UnknownOver: I70 WB
02.26 E SR 9, Hancock, IN
Built 1965 ADT: 18,225
CR 600E
UnknownOver: I-70 WBL
04.29 E SR 9, Hancock, IN
Built 1965 ADT: 17,527
CR 850E
UnknownOver: I70 WB
04.96 W SR 109, Hancock, IN
Built 1964 ADT: 18,225
CR 1050E
UnknownOver: I70 EB
02.92 W SR 109, Hancock, IN
Built 1964 ADT: 49,175
SR 135
UnknownOver: 2ND STREET - MAUCKPORT
00.23 S SR 11, Harrison, IN
Built 1967 ADT: 519
I-64 EB
UnknownOver: SR 135
00.91 N SR 337, Harrison, IN
Built 1974 ADT: 8,639
SOUTHERN RR
UnknownOver: SR135
01.03 S SR 64, Harrison, IN
Built 1952 ADT: 7,147
SR 337
UnknownOver: I-64 WBL
01.39 N SR 135, Harrison, IN
Built 1974 ADT: 9,203
I-64 EB
UnknownOver: BLUE RIVER ROAD
04.08 W SR-337, Harrison, IN
Built 1974 ADT: 143
I-64 WB
UnknownOver: BLUE RIVER ROAD
04.08 W SR-337, Harrison, IN
Built 1974 ADT: 143
I-64 EB
UnknownOver: GETHSEMANE CHURCH ROAD
01.51 W SR-337, Harrison, IN
Built 1974 ADT: 132
I-64 WB
UnknownOver: GETHSEMANE CHURCH ROAD
01.51 W SR-337, Harrison, IN
Built 1974 ADT: 132
CORYDON-RAMSEY RD
UnknownOver: I-64 WBL
00.53 E SR 337, Harrison, IN
Built 1974 ADT: 9,186
LNA & C RR
UnknownOver: I-64 WB
00.03 E SR 135, Harrison, IN
Built 1974 ADT: 15,195
I-64 EB
UnknownOver: ACCESS ROAD
01.35 E SR-135, Harrison, IN
Built 1974 ADT: 132
I-64 WB
UnknownOver: ACCESS ROAD
01.35 E SR-135, Harrison, IN
Built 1974 ADT: 132
TEE ROAD
UnknownOver: I-64 WBL
02.27 E SR-135, Harrison, IN
Built 1974 ADT: 15,195
PFRIMMERS CHAPEL R
UnknownOver: I-64 EBL
04.24 E SR 135, Harrison, IN
Built 1974 ADT: 13,267
PFRIMMERS CHAPEL R
UnknownOver: I-64 WBL
04.24 E SR-135, Harrison, IN
Built 1974 ADT: 13,946
CRANDALL-LANESVILL
UnknownOver: I-64 WBL
05.26 W SR-64, Harrison, IN
Built 1974 ADT: 17,228
FARNSLEY ROAD
UnknownOver: I-64 WBL
04.15 W SR-64, Harrison, IN
Built 1972 ADT: 17,228
PRIVATE HAUL RD
UnknownOver: RIVER RD
00.60 N WESLEY CHAPEL RD, Harrison, IN
Built 1999 ADT: 10
SR 39
UnknownOver: I-70 WB
02.39 N SR 42, Hendricks, IN
Built 2020 ADT: 21,112
SR 39
UnknownOver: I-74 WB
00.60 N US 136, Hendricks, IN
Built 1960 ADT: 10,690
SR 267
UnknownOver: I-70 WBL
02.98 S US 40, Hendricks, IN
Built 1966 ADT: 22,580
CR 525E
UnknownOver: I-70 WBL
03.12 E SR 39, Hendricks, IN
Built 1966 ADT: 22,310
CR 675 E
UnknownOver: I-70 WB
02.19 W SR 267, Hendricks, IN
Built 1966 ADT: 22,310
CR 725E
UnknownOver: I-70 WB
01.44 W SR 267, Hendricks, IN
Built 1966 ADT: 41,353
OLD SR 267
UnknownOver: I-70 WB
00.94 W SR 267, Hendricks, IN
Built 1966 ADT: 22,595
AMERIPLEX PKWY NB
UnknownOver: I70 EB CD
02.47 E SR 267, Hendricks, IN
Built 2005 ADT: 35,000
AMERIPLEX PKWY SB
UnknownOver: I70 EB
02.47 E SR 267, Hendricks, IN
Built 2005 ADT: 35,000
Showing 601-650 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.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |