State profile · Below median Poor share

Tennessee bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Tennessee, based on the FHWA National Bridge Inventory.

Compiled by PlainBridges, Independent data publisher

20,426
Public bridges: 38.0%
Good condition: 4.0%
Poor condition

Data updated May 2026

Total Bridges

20,426

Public highway bridges in Tennessee

Good Condition

38.0%

7,762 bridges rated 7-9

-12.0pp vs 50% benchmark

Poor Condition

4.0%

811 bridges whose lowest applicable component is rated 0-4

-3.0pp vs national avg 7.0%

Tennessee vs national bridge condition

Tennessee - Good condition share 38.0%

National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Tennessee - Poor-condition share 13.2%

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 - Tennessee (FHWA NBI)

Counties (95)

Anderson 175 Bedford 294 Benton 147 Bledsoe 83 Blount 220 Bradley 199 Campbell 137 Cannon 159 Carroll 240 Carter 195 Cheatham 128 Chester 127 Claiborne 101 Clay 64 Cocke 190 Coffee 217 Crockett 167 Cumberland 137 Davidson 836 DeKalb 100 Decatur 104 Dickson 243 Dyer 232 Fayette 336 Fentress 55 Franklin 157 Gibson 386 Giles 321 Grainger 88 Greene 306 Grundy 85 Hamblen 119 Hamilton 464 Hancock 61 Hardeman 223 Hardin 192 Hawkins 190 Haywood 241 Henderson 207 Henry 187 Hickman 332 Houston 118 Humphreys 250 Jackson 131 Jefferson 123 Johnson 109 Knox 588 Lake 30 Lauderdale 258 Lawrence 211 Lewis 139 Lincoln 304 Loudon 117 Macon 169 Madison 418 Marion 177 Marshall 240 Maury 433 McMinn 220 McNairy 218 Meigs 76 Monroe 145 Montgomery 187 Moore 69 Morgan 120 Obion 381 Overton 78 Perry 153 Pickett 30 Polk 140 Putnam 167 Rhea 100 Roane 161 Robertson 204 Rutherford 428 Scott 111 Sequatchie 67 Sevier 276 Shelby 1077 Smith 202 Stewart 168 Sullivan 370 Sumner 398 Tipton 201 Trousdale 88 Unicoi 161 Union 61 Van Buren 37 Warren 160 Washington 284 Wayne 282 Weakley 351 White 69 Williamson 524 Wilson 402

Tennessee vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Tennessee on the same metric.

MN

Minnesota

3.63% top marginal rate

Structure: Progressive
Burden @ $100K: $11,969

CT

Connecticut

3.95% top marginal rate

Structure: Progressive
Burden @ $100K: $4,277

Selected

TN

Tennessee

3.97% top marginal rate

Structure: Progressive
Burden @ $100K: $20,426

MD

Maryland

4.27% top marginal rate

Structure: Progressive
Burden @ $100K: $5,527

CO

Colorado

4.32% top marginal rate

Structure: Progressive
Burden @ $100K: $8,965

Bridges Needing Most Attention in Tennessee

Six lowest-condition bridges in Tennessee, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

NFA A253

Over: EMORY RIVER

FROZEN HEAD STATE PARK, Morgan, TN

Built 1975 Load: 1.0 t ADT: 150

NFA B485

Over: PAW PAW CREEK

S OFF I40 ON LOUDON CO LN, Roane, TN

Built 1934 Load: 1.3 t ADT: 330

NFA A153

Over: DADDY'S CREEK (CWMA)

.1MI FROM MORGAN CO. LINE, Cumberland, TN

Built 1950 Load: 1.6 t ADT: 25

NFA A317 347891F

Over: CSX RAILROAD

3.4 MI SW JCT SR30&SR33, Polk, TN

Built 1913 Load: 1.6 t ADT: 40

NFA A191

Over: BYRAMS FORK CREEK

1 M W OF SR170 AT UNION C, Anderson, TN

Built 1970 Load: 1.9 t ADT: 70

NFA A463

Over: HILL CREEK

WITHIN 1M SE OF WOODBURY, Cannon, TN

Built 1950 Load: 1.9 t ADT: 170

All Bridges in Tennessee

Sort by:

FAP 100

Over: SR 100 RL / SR 96

NEAR FAIRVIEW TENN., Williamson, TN

Built 1957 ADT: 8,406

FAP 100

Over: SR 100 LL / SR 96

NEAR FAIRVIEW TENN., Williamson, TN

Built 1957 ADT: 8,406

I840

Over: I840/957 SPENCER MILL

0.5 MI NW JCT SR46&SR100, Williamson, TN

Built 2001 ADT: 1,842

I840

Over: I840/957 SPENCER MILL

0.5 MI NW JCT SR46&SR100, Williamson, TN

Built 2001 ADT: 1,842

I840

Over: I840 / SR 100

5.6 SW OF SR096, Williamson, TN

Built 2009 ADT: 8,417

I840

Over: I840 / SR 100

5.6 SW OF SR096, Williamson, TN

Built 2009 ADT: 8,417

NFA A024

Over: UNION VALLEY RD / I840

1.0 MI S JCT. SR100&I840, Williamson, TN

Built 2006 ADT: 25,335

NFA A027

Over: VALLEY RD / I840

1.0 MI S JCT. SR100&SR840, Williamson, TN

Built 2006 ADT: 25,335

NFA A027

Over: DEER RIDGE RD / I840

1.0 MI S JCT. SR100&I840, Williamson, TN

Built 2009 ADT: 25,335

NFA A038

Over: SO. HARPETH RD / I840

1.0 MI S JCT. SR100&I840, Williamson, TN

Built 2009 ADT: 25,335

NFA 1917

Over: NFA 1917 PEWITT / I840

1.0 MI S JCT. SR100&I840, Williamson, TN

Built 2006 ADT: 25,335

FAP 96

Over: SR 46 / I840

9 MI SE JCT SR100 & SR 7, Williamson, TN

Built 2006 ADT: 25,335

I 840

Over: BENDING CHESTNUT/I840

0.5 MI NW JCT SR46&SR100, Williamson, TN

Built 2012 ADT: 22,556

I840

Over: I840/GARRISON RD & CK

1 MI S SR46, Williamson, TN

Built 2012 ADT: 189

I840

Over: I840/GARRISON RD & CK

1 MI S SR46, Williamson, TN

Built 2012 ADT: 189

I840

Over: DAVIS HOLLOW RD / I840

0.5 MI NW JCT SR46&SR100, Williamson, TN

Built 2001 ADT: 22,556

I840

Over: LEIPERS CR RD & BRANCH

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,447

I840

Over: LEIPERS CR RD & BRANCH

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,447

I840

Over: I840-RL/BOSTON THETA RD

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,670

I840

Over: I840-LL/BOSTON THETA RD

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,670

FI840

Over: I840/ROBINSON RD & BR

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,670

I840

Over: I840/ROBINSON RD & BR

12 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,670

FI840

Over: I840/JOHNSON HOLLOW RD

8 MI W JCT I65&I840, Williamson, TN

Built 2011 ADT: 2,430

I840

Over: I840/JOHNSON HOLLOW RD

8 MI W JCT I65&I840, Williamson, TN

Built 2011 ADT: 2,430

I840

Over: I840-RL /CARTERS CR. RD

8 MI W JCT I65&I840, Williamson, TN

Built 2011 ADT: 3,704

FAP 840

Over: I840-LL /CARTERS CR. RD

8 MI W JCT I65&I840, Williamson, TN

Built 2011 ADT: 3,704

FI840

Over: I8/ THOMPSON STATION RD

7 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,039

FAP 840

Over: 840/ THOMPSON STATION RD

7 MI W JCT. I65 & I840, Williamson, TN

Built 2011 ADT: 1,039

NFA A325

Over: SEDBERRY RD. / I 840

3.5 MI W JCT. SR106&I840, Williamson, TN

Built 2004 ADT: 21,372

FAP 96

Over: COLUMBIA PK / I 840

20 MI W JCT SR106 & I840, Williamson, TN

Built 2004 ADT: 21,372

I840

Over: I840-RL / ANDERSON RD.

2.1 MI SW JCT I65&I840, Williamson, TN

Built 2001 ADT: 2,430

I 840

Over: I840-LL / ANDERSON RD.

2.1 MI SW JCT I65&I840, Williamson, TN

Built 2001 ADT: 2,430

I 840

Over: I840-RL / SR 106

0.6 MI W JCT I65&I840, Williamson, TN

Built 2001 ADT: 6,851

I 840

Over: I840-LL / SR 106

0.6 MI W JCT I65&I840, Williamson, TN

Built 2001 ADT: 6,851

I840

Over: I 840-RL / RAMP "Q"

0.2 MI E JCT I65&I840, Williamson, TN

Built 2001 ADT: 41,839

I840

Over: I840-LL / RAMP "Q"

0.2 MI E JCT I65&I840, Williamson, TN

Built 2001 ADT: 41,839

I840

Over: I 840-RL / CAMPBELL RD.

4.8 MI SW JCT I840, Williamson, TN

Built 2001 ADT: 490

I 840

Over: I840-LL / CAMPBELL RD.

4.8 MI SW JCT SR11&I840, Williamson, TN

Built 2001 ADT: 490

I840

Over: I840/PEYTON -TRINITY

3.8 MI SE JCT I65&I840, Williamson, TN

Built 2001 ADT: 2,062

FAP 840

Over: SR 840/PEYTON - TRINITY

3.8 MI SE JCT I65&SR840, Williamson, TN

Built 2001 ADT: 2,062

NFA A436

Over: NATHAN SMITH RD / I840

5.1 MI E JCT. I65&I840, Williamson, TN

Built 2001 ADT: 46,364

I840

Over: I840-RL / ARNO RD.

4.8 MI SW JCT SR11&I840, Williamson, TN

Built 2001 ADT: 4,356

I840

Over: I840-LL / ARNO RD.

4.8 MI SW JCT SR11&I840, Williamson, TN

Built 2001 ADT: 4,356

I 840

Over: I840-RL / MCDANIEL RD.

3.3 MI W JCT SR11&I840, Williamson, TN

Built 2001 ADT: 430

I840

Over: I840-LL / MCDANIEL RD.

3.3 MI W JCT SR11&I840, Williamson, TN

Built 2001 ADT: 430

I840

Over: I840-RL / COX RD

2.1 MI W JCT SR11&I840, Williamson, TN

Built 2001 ADT: 2,230

840

Over: I840-LL / COX RD

2.1 MI W JCT SR11&I840, Williamson, TN

Built 2001 ADT: 2,230

I840

Over: I 840-RL / SR 11

1.0 MI S JCT SR11&SR96, Williamson, TN

Built 1995 ADT: 12,818

I840

Over: I840-LL / SR 11

1.0 MI S JCT SR11&I96, Williamson, TN

Built 1995 ADT: 12,818

NFA A261

Over: HALEY LANE / I840

1.0 MI SE JCT. SR11&SR96, Williamson, TN

Built 1999 ADT: 43,028

Showing 2,251-2,300 of 20,426 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.