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
CR 700E
FairOver: BRANCH OF BIG PINE CREEK
00.60 N of CR 500 S, Benton, IN
Built 1970 Load: 76.7 t ADT: 11
O'DAY RD
FairOver: SEEGAR DRAIN
00.90 N ARCOLA ROAD, Allen, IN
Built 1980 Load: 77.0 t ADT: 867
SR 46
FairOver: BARTLETTS BRANCH
06.37 E SR 446, Brown, IN
Built 1935 Load: 77.4 t ADT: 6,365
KARWICK ROAD
FairOver: BRANCH OF TRAIL CREEK
00.20 S SPRINGLAND AVE, LaPorte, IN
Built 1988 Load: 77.7 t ADT: 1,750
Raben Rd
FairOver: Whipple Ditch
00.44 MI S of WHIPPLE CRE, Posey, IN
Built 1999 Load: 77.7 t ADT: 149
CR 390 E
FairOver: TREATY CREEK
00.30 S OF CR 700 S, Wabash, IN
Built 1960 Load: 77.7 t ADT: 200
KISSEL ROAD
FairOver: FISHBACK CREEK
00.15 S OF HUNT CLUB ROAD, Boone, IN
Built 1970 Load: 78.1 t ADT: 750
CR 123
FairOver: KIEFFER DITCH
00.30 S OF US 6, Elkhart, IN
Built 1978 Load: 78.1 t ADT: 37
CR 675W
FairOver: Redwood Creek
00.06 N of SR 28, Warren, IN
Built 1998 Load: 78.8 t ADT: 80
CR 300 S
FairOver: TURTLE CREEK
00.16 W OF CR 625 W, Sullivan, IN
Built 1980 Load: 79.1 t ADT: 560
173RD AVENUE
FairOver: BRYANT DITCH
00.20 E of MISSISSIPPI, Lake, IN
Built 1970 Load: 80.1 t ADT: 10
CR 200W
FairOver: Seamons Ditch
00.10 N of CR 475 S, Benton, IN
Built 1968 Load: 80.4 t ADT: 33
CR 400E
FairOver: Trib to McIntyre Creek
00.10 S of CR 300 N, Clay, IN
Built 1997 Load: 80.4 t ADT: 150
Independence Rd
FairOver: Dry Branch
00.30 NE of CR 950 E, Warren, IN
Built 1983 Load: 80.6 t ADT: 230
SR 13
FairOver: LITTLE DUCK CREEK
00.16 N SR 37, Madison, IN
Built 1953 Load: 81.6 t ADT: 5,227
US 27
FairOver: LITTLE ELKHORN CREEK
04.49 S SR 227, Wayne, IN
Built 1958 Load: 81.6 t ADT: 4,950
CR 400W
FairOver: Branch of ELL Creek
00.20 N of CR 500 S, Dubois, IN
Built 1984 Load: 82.0 t ADT: 2,810
CR 200S
FairOver: BRANCH OF SIX MILE CREEK
00.44 E OF S 800 E, Hancock, IN
Built 1977 Load: 82.4 t ADT: 240
SR 157
FairOver: BRANCH CONNELEY DITCH
01.16 S SR 59, Clay, IN
Built 1984 Load: 82.9 t ADT: 671
PARK ROAD S65H
FairOver: RUSH CREEK
2.22 SE SR 69, Posey, IN
Built 1980 Load: 82.9 t ADT: 400
CR 25 S
FairOver: SOUTH FORK PATOKA RIVER
00.40 N OF CR 75 S, Gibson, IN
Built 1920 Load: 83.8 t ADT: 105
BERTHAUD RD
FairOver: BANDELIER #3 DRAIN
00.32 N HARPER ROAD, Allen, IN
Built 1980 Load: 83.9 t ADT: 104
TERRE HAUTE ROAD
FairOver: BRANCH OF SNAPP CREEK
00.17 E OF NIBLACK BLVD, Knox, IN
Built 1979 Load: 83.9 t ADT: 560
71ST ST
FairOver: HOWLAND DITCH
00.43 W OF KEYSTONE AVE, Marion, IN
Built 1989 Load: 84.7 t ADT: 371
US 231
FairOver: BRANCH DOANS CREEK
00.63 N SR 45, Greene, IN
Built 1948 Load: 84.9 t ADT: 4,757
US 40
FairOver: WALLACE BRANCH
02.33 E US 231, Putnam, IN
Built 1937 Load: 84.9 t ADT: 5,319
LAKEVIEW DR
FairOver: CEDARVILLE RESERVOIR TRI
00.15 E CHERRY STREET, Allen, IN
Built 1972 Load: 85.5 t ADT: 208
US 136
FairOver: BIG WHITE LICK CREEK
00.15 W Old SR 267, Hendricks, IN
Built 1927 Load: 85.5 t ADT: 9,851
US 421
FairOver: BRANCH BIG CREEK
09.65 S SR 129, Ripley, IN
Built 1922 Load: 85.6 t ADT: 3,498
56TH STREET
FairOver: GUION CREEK
00.30 E OF GEORGETOWN ROA, Marion, IN
Built 1955 Load: 85.7 t ADT: 18,360
SR 135
FairOver: BRANCH LITTLE SALT CREEK
05.91 N SR 58, Jackson, IN
Built 1991 Load: 85.9 t ADT: 411
SR 38
FairOver: WILEY DITCH
05.36 W SR 47, Boone, IN
Built 1958 Load: 86.5 t ADT: 401
SR 39
FairOver: MARQUARDT DITCH
02.11 S US 30, LaPorte, IN
Built 1951 Load: 87.2 t ADT: 2,120
SR 227
FairOver: M FK/E FK WHITEWATER RIV
00.16 N I-70, Wayne, IN
Built 1959 Load: 87.8 t ADT: 3,481
SR 75
FairOver: HARTER DITCH
01.27 N SR 18, Carroll, IN
Built 1966 Load: 88.2 t ADT: 1,326
SR 37(64)
FairOver: ALLEN CREEK
01.97 E of W JCT SR 145, Crawford, IN
Built 1942 Load: 88.2 t ADT: 3,954
I-64
FairOver: DRY RUN
02.65 E SR 66, Crawford, IN
Built 1972 Load: 88.2 t ADT: 18,371
SR 1
FairOver: SLAB CAMP CREEK
05.70 S I-74, Dearborn, IN
Built 1932 Load: 88.2 t ADT: 4,241
US 50
FairOver: WILSON CREEK
00.86 E SR 148, Dearborn, IN
Built 1935 Load: 88.2 t ADT: 35,211
US 50
FairOver: DOUBLE LICK CREEK
02.13 E SR 1, Dearborn, IN
Built 1940 Load: 88.2 t ADT: 12,379
SR 111
FairOver: FALLING RUN
00.37 S SR 62, Floyd, IN
Built 1945 Load: 88.2 t ADT: 12,110
SR 45/SR 58
FairOver: DOANS CREEK
02.66 N US 231, Greene, IN
Built 1942 Load: 88.2 t ADT: 2,645
US 231
FairOver: BOGARD CREEK
02.51 N SR 45, Greene, IN
Built 1948 Load: 88.2 t ADT: 4,757
SR 37
FairOver: DRY RUN CREEK
02.55 N SR 32, Hamilton, IN
Built 1933 Load: 88.2 t ADT: 13,035
I-64
FairOver: BRUSH HEAP CREEK
02.12 E SR 135, Harrison, IN
Built 1974 Load: 88.2 t ADT: 30,390
US 24
FairOver: CARPENTER CREEK
00.36 E US 231, Jasper, IN
Built 1929 Load: 88.2 t ADT: 4,557
SR 7
FairOver: PRESSBERG CREEK
00.22 S SR 62, Jefferson, IN
Built 1957 Load: 88.2 t ADT: 10,219
I-74
FairOver: BIG RUN CREEK
03.50 E I-465, Marion, IN
Built 1958 Load: 88.2 t ADT: 41,658
US 6
FairOver: ANDERSON DITCH
01.62 E SR 23, Marshall, IN
Built 1932 Load: 88.2 t ADT: 3,623
SR 205
FairOver: WILLOW CREEK
01.88 S SR 3X, Noble, IN
Built 1947 Load: 88.2 t ADT: 2,924
Showing 10,801-10,850 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.