State profile · Below national median SD

Tennessee bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Tennessee — drawn straight from the FHWA National Bridge Inventory.

20,426
Public bridges
38.0%
Good condition
4.0%
Poor condition
4.0%
Structurally deficient

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 rated 0-4

Structurally Deficient

4.0%

811 bridges flagged for repair priority

-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 — Structurally deficient share 13.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Tennessee 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 Tennessee on the same metric.

27

Minnesota

3.63% top marginal rate
Structure
Progressive
Burden @ $100K
$11,969

09

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277
Selected

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

08

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 composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Tennessee

NFA A039

Fair

Over: ROCKY FORK CREEK

NW OF ROCKY FORK, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 30

NFA A051

Fair

Over: SPIVEY CREEK

S. OF SR 36, Unicoi, TN

Built 2019 Load: 32.4 t ADT: 80

NFA A053

Fair

Over: SPIVEY CREEK

S. OF SR 36, Unicoi, TN

Built 1945 Load: 32.4 t ADT: 160

NFA A068

Fair

Over: NOLICHUCKY RIVER

NEAR VNAKA SPRINGS, Unicoi, TN

Built 1991 Load: 32.4 t ADT: 510

NFA A125

Fair

Over: ODOM BRANCH

IN ERWIN, Unicoi, TN

Built 1965 Load: 32.4 t ADT: 365

NFA A608

Fair

Over: ROCK CREEK

NEAR ERWIN, Unicoi, TN

Built 1993 Load: 32.4 t ADT: 160

NFA A255

Fair

Over: ROCK CREEK

NEAR ERWIN, Unicoi, TN

Built 1984 Load: 32.4 t ADT: 260

NFA A303

Fair

Over: DRY CREEK

N OF ERWIN E OF SR 36, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 310

NFA A376

Fair

Over: NORTH INDIAN CREEK

IN UNICOI, Unicoi, TN

Built 1985 Load: 32.4 t ADT: 650

NFA A319

Fair

Over: DRY CREEK

N OF ERWIN, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 230

NFA A382 (SA 8607)

Fair

Over: NORTH INDIAN CREEK

N OF SR107-W OF SR 173, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 380

NFA A388 (SA 8609)

Fair

Over: NORTH INDIAN CREEK

BTWN SR 173 & SR 107, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 180

NFA 4701

Fair

Over: NOLICHUCKY RIVER

NEAR ERWIN-JUST OFF SR 36, Unicoi, TN

Built 1994 Load: 32.4 t ADT: 6,047

NFA A267

Fair

Over: ROCK CREEK

E OF ERIN-JUST OFF SR395, Unicoi, TN

Built 1984 Load: 32.4 t ADT: 100

I26

Fair

Over: DRY CREEK

2.4 M S OF SR 173, Unicoi, TN

Built 1985 Load: 32.4 t ADT: 16,623

I26

Fair

Over: ROCKY CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1981 Load: 32.4 t ADT: 13,947

I26 RT LN

Fair

Over: N. INDIAN CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1981 Load: 32.4 t ADT: 13,947

I26 LT LN

Fair

Over: N. INDIAN CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1981 Load: 32.4 t ADT: 13,947

I26 RT LN

Fair

Over: INDIAN CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1977 Load: 32.4 t ADT: 12,654

I26 LT LN

Fair

Over: INDIAN CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1977 Load: 32.4 t ADT: 12,654

I26 RT LN

Fair

Over: NOLICHUCKY RIVER

2.2 MI. S. SR 81, Unicoi, TN

Built 1977 Load: 32.4 t ADT: 12,654

I26 LT LN

Fair

Over: NOLICHUCKY RIVER

2.2 MI. S. SR 81, Unicoi, TN

Built 1977 Load: 32.4 t ADT: 12,654

I26

Fair

Over: OVERFLOW

2.4 MI. S.W. OF, Unicoi, TN

Built 1977 Load: 32.4 t ADT: 8,283

I26

Fair

Over: SOUTH INDIAN CREEK

3M NE JCT I26&SR81, Unicoi, TN

Built 1993 Load: 32.4 t ADT: 8,283

I26

Fair

Over: SOUTH INDIAN CREEK

1.6M NE JCT I26 & SR81, Unicoi, TN

Built 1993 Load: 32.4 t ADT: 8,283

I26

Fair

Over: INDIAN CREEK

1 M NE JCT OLD SR36&I26, Unicoi, TN

Built 1993 Load: 32.4 t ADT: 7,310

I26

Fair

Over: BRANCH

4.53 MI FROM NC/TN ST LN, Unicoi, TN

Built 1999 Load: 32.4 t ADT: 8,759

I26 RT LN

Fair

Over: GORGE

1.90 MI FROM NC/TN LINE, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 10,622

I26 LT LN

Fair

Over: GORGE

1.90 MI FROM NC/TN ST LN, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 10,622

I26

Fair

Over: GORGE

1.58 MI FROM NC/TN ST LN, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 10,622

FAS 173

Fair

Over: NORTH INDIAN CREEK

2.2 M SW OF CARTER CO LN, Unicoi, TN

Built 1970 Load: 32.4 t ADT: 1,232

NFA 2557 (SA 8601)

Fair

Over: RICE CREEK

S OF FLAG POND-W OF SR81, Unicoi, TN

Built 1960 Load: 32.4 t ADT: 215

FAS 352

Fair

Over: BIG BRANCH

2.2 M NE JCT SR81&SR352, Unicoi, TN

Built 1948 Load: 32.4 t ADT: 858

NFA 2559

Fair

Over: SAMS CREEK

4.2 M N OF NC STATE LINE, Unicoi, TN

Built 1933 Load: 32.4 t ADT: 144

NFA 2419 (SA 8710)

Fair

Over: DODSON CREEK

E OF SR33-NEAR NORRIS LAK, Union, TN

Built 1940 Load: 32.4 t ADT: 860

NFA 2464 (SA 8706)

Fair

Over: RACCOON CREEK

JUST SE OF PAULETTE, Union, TN

Built 1972 Load: 32.4 t ADT: 773

NFA A134

Fair

Over: FLAT CREEK

S OF SR131-NE OF LUTTRELL, Union, TN

Built 1981 Load: 32.4 t ADT: 180

NFA A136 (SA 8714)

Fair

Over: FLAT CREEK

IN LUTTRELL-E OF SR61, Union, TN

Built 1976 Load: 32.4 t ADT: 180

NFA A137

Fair

Over: LITTLE CREEK

S OF SR131-E OF LUTTRELL, Union, TN

Built 1986 Load: 32.4 t ADT: 170

NFA D384

Fair

Over: FLAT CREEK

S OF LUTTRELL-W OF SR61, Union, TN

Built 1983 Load: 32.4 t ADT: 80

NFA A152 (SA 8705)

Fair

Over: LITTLE BULL RUN CREEK

3 M NE OF SR144&131 JCT, Union, TN

Built 1986 Load: 32.4 t ADT: 50

NFA A158

Fair

Over: RACCOON CREEK

E OF SR33-NE OF PAULETTE, Union, TN

Built 1970 Load: 32.4 t ADT: 80

NFA 1276 (SA 8712)

Fair

Over: BRANCH

1.5 M NE OF SHARPS CHAPEL, Union, TN

Built 1976 Load: 32.4 t ADT: 827

NFA 1090 (SA 8711)

Fair

Over: LITTLE BARREN CREEK

1.2 M W OF SR33 AT CO LI, Union, TN

Built 1960 Load: 32.4 t ADT: 3,286

FAS 370

Fair

Over: BULL RUN CREEK

2.6 M NE JCT SR144&SR370, Union, TN

Built 1973 Load: 32.4 t ADT: 925

FAP 33

Fair

Over: RACCOON CREEK

.6 M SW JCT SR33&SR61, Union, TN

Built 1966 Load: 32.4 t ADT: 14,065

FAS 61

Fair

Over: HINDS CREEK

1.2 M S JCT SR61&SR170, Union, TN

Built 1970 Load: 32.4 t ADT: 1,003

FAS 61

Fair

Over: BULL RUN CREEK

.7 M SE JCT SR61&SR370, Union, TN

Built 1985 Load: 32.4 t ADT: 2,895

FAS 61

Fair

Over: FLAT CREEK

2.1 M NW OF KNOX CO LN, Union, TN

Built 1970 Load: 32.4 t ADT: 2,849

NFA 2185 (SA 8801)

Fair

Over: ROCKY RIVER

2MI FROM WARRE CO LINE, Van Buren, TN

Built 1991 Load: 32.4 t ADT: 262

Showing 10,901-10,950 of 20,426 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.