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 A040

Good

Over: GOOSE CREEK

2 MI N OF SR10, Trousdale, TN

Built 1978 Load: 32.4 t ADT: 520

NFA A040

Good

Over: HICKERSON BRANCH

2.5 MI N SR 10, Trousdale, TN

Built 1983 Load: 32.4 t ADT: 520

NFA A041

Good

Over: HICKERSON BRANCH

3 MI S OF MACON CO., Trousdale, TN

Built 2000 Load: 32.4 t ADT: 20

NFA A044

Good

Over: MIDDLE FORK GOOSE CREEK

1 MI S OF MACON CO., Trousdale, TN

Built 1987 Load: 32.4 t ADT: 110

NFA A044

Good

Over: BIG GOOSE CREEK

1.5 MI S OF MACON CO., Trousdale, TN

Built 1976 Load: 32.4 t ADT: 310

NFA A051

Good

Over: FINLEY BRANCH

2.5 MI S OF MACON CO., Trousdale, TN

Built 1984 Load: 32.4 t ADT: 150

NFA A054

Good

Over: LICK CREEK

2 MI N OF SMITH CO., Trousdale, TN

Built 1986 Load: 32.4 t ADT: 110

NFA A054

Good

Over: GLASGOW BRANCH

2.9 M SE JCT SR10&SR25, Trousdale, TN

Built 1989 Load: 32.4 t ADT: 110

NFA A054

Good

Over: BRANCH

2 MI N OF SMITH CO., Trousdale, TN

Built 2002 Load: 32.4 t ADT: 110

NFA A054

Good

Over: BRANCH

2.9 M SE JCT SR10&SR25, Trousdale, TN

Built 1989 Load: 32.4 t ADT: 110

NFA A057

Good

Over: GLASGOW BRANCH

1.2 MI N OF SMITH CO., Trousdale, TN

Built 1999 Load: 32.4 t ADT: 90

NFA A062

Good

Over: BRANCH

.54 M N OF MACON CO LN, Trousdale, TN

Built 2012 Load: 32.4 t ADT: 150

NFA A062

Good

Over: BRANCH

.54 M N OF MACON CO LN, Trousdale, TN

Built 1987 Load: 32.4 t ADT: 150

NFA A062

Good

Over: DIXON CREEK

1 MI S OF MACON CO, Trousdale, TN

Built 1987 Load: 32.4 t ADT: 60

NFA A109

Good

Over: ROCKY CREEK

1.5 MI E OF SUMNER CO., Trousdale, TN

Built 1993 Load: 32.4 t ADT: 200

NFA A118

Good

Over: ROCKY CREEK

1.5 MI E OF SUMNER CO., Trousdale, TN

Built 1998 Load: 32.4 t ADT: 40

NFA A119

Good

Over: BRANCH

1.0 MI SE JCT. 25 & 376, Trousdale, TN

Built 2007 Load: 32.4 t ADT: 70

NFA A125

Good

Over: BRANCH

1.1 MI S JCT SR25 &SR376, Trousdale, TN

Built 1988 Load: 32.4 t ADT: 30

NFA A125

Good

Over: BRANCH

0.5 MI S JCT SR25&SR376, Trousdale, TN

Built 1988 Load: 32.4 t ADT: 30

NFA A135

Good

Over: LITTLE GOOSE CREEK

IN HARTSVILLE, Trousdale, TN

Built 1984 Load: 32.4 t ADT: 4,750

NFA A135

Good

Over: DARWIN CREEK

CITY OF HARTSVILLE, Trousdale, TN

Built 1984 Load: 32.4 t ADT: 3,130

NFA B109

Good

Over: BRANCH

1.1 M SE JCT SR 141&SR260, Trousdale, TN

Built 2007 Load: 32.4 t ADT: 420

NFA B130

Good

Over: LITTLE GOOSE CR OVERFLOW

1.1 M SE JCT SR 141&SR260, Trousdale, TN

Built 1985 Load: 32.4 t ADT: 420

NFA 1070 (SA 8503)

Good

Over: WARD BRANCH

2 MI W OF SMITH CO., Trousdale, TN

Built 1986 Load: 32.4 t ADT: 246

NFA 1070 (SA 8503)

Good

Over: STONE BRANCH

2 MI W OF SMITH CO., Trousdale, TN

Built 1986 Load: 32.4 t ADT: 246

FAS 260

Good

Over: LITTLE GOOSE CREEK

.6 M E JCT SR260&SR376, Trousdale, TN

Built 2017 Load: 32.4 t ADT: 609

NFA 1082 (SA 8507)

Good

Over: HICKERSON BRANCH

1 MI S OF MACON CO., Trousdale, TN

Built 1945 Load: 32.4 t ADT: 947

NFA 1074 (SA 8508)

Good

Over: DOG BRANCH

2 MI W OF SMITH CO., Trousdale, TN

Built 1992 Load: 32.4 t ADT: 319

FAP 10

Good

Over: MILL BRANCH

IN HARTSVILLE, Trousdale, TN

Built 1952 Load: 32.4 t ADT: 9,933

FAS 141

Good

Over: HARRIS BRANCH

1.5 MI N OF HARTSVILLE, Trousdale, TN

Built 1974 Load: 32.4 t ADT: 1,521

NFA 1415

Good

Over: HONEYCOMB CREEK

JUST S OF CARTER CO LINE, Unicoi, TN

Built 1965 Load: 32.4 t ADT: 1,347

FAU 4703

Good

Over: MARTIN CREEK

CITY OF ERWIN, Unicoi, TN

Built 1999 Load: 32.4 t ADT: 1,868

NFA 4718

Good

Over: BRANCH

BTWN OLD & NEW SR36-ERWIN, Unicoi, TN

Built 1976 Load: 32.4 t ADT: 488

NFA 2624

Good

Over: BUFFALO CREEK

N OF UNICOI NEAR SR 36, Unicoi, TN

Built 2003 Load: 32.4 t ADT: 516

NFA A014

Good

Over: RICE CREEK

NEAR FLAG POND, Unicoi, TN

Built 1984 Load: 32.4 t ADT: 100

NFA A028

Good

Over: BIG BALD CREEK

2.8 M S OF SR36-SR81 JCT, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 40

NFA A030

Good

Over: SOUTH INDIAN CREEK

JUST OFF SR 81 NEAR 36, Unicoi, TN

Built 1982 Load: 32.4 t ADT: 70

NFA A053

Good

Over: LITTLE BALD CREEK

S. OF SR 36, Unicoi, TN

Built 1983 Load: 32.4 t ADT: 160

NFA A055

Good

Over: LITTLE HIGGINS CREEK

NEAR SR 36-N OF ERNESTVL., Unicoi, TN

Built 2010 Load: 32.4 t ADT: 300

NFA A062

Good

Over: SOUTH INDIAN CREEK

S OF ERWIN, Unicoi, TN

Built 1987 Load: 32.4 t ADT: 130

NFA A069 (SA 8611)

Good

Over: SOUTH INDIAN CREEK

SW OF ERWIN, Unicoi, TN

Built 2011 Load: 32.4 t ADT: 360

NFA A100

Good

Over: MARTIN CREEK

IN ERWIN, Unicoi, TN

Built 1994 Load: 32.4 t ADT: 220

NFA A114

Good

Over: MARTIN CREEK

JUST SE OF ERWIN CITY LMT, Unicoi, TN

Built 1991 Load: 32.4 t ADT: 490

NFA A277

Good

Over: ROCK CREEK

N OFF SR395, Unicoi, TN

Built 1992 Load: 32.4 t ADT: 90

NFA A289

Good

Over: NORTH INDIAN CREEK

N. OF ERWIN, Unicoi, TN

Built 1981 Load: 32.4 t ADT: 370

NFA A300

Good

Over: NORTH INDIAN CREEK

N OF ERWIN NEAR SR 36, Unicoi, TN

Built 1982 Load: 32.4 t ADT: 320

NFA A305

Good

Over: NORTH INDIAN CREEK

W OF SR36-S OF UNICOI, Unicoi, TN

Built 1996 Load: 32.4 t ADT: 10

NFA A309

Good

Over: NORTH INDIAN CREEK

NEAR UNICOI W. OF SR 36, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 130

NFA A387

Good

Over: SIMMERCY CREEK

JUST N OF SR107-SR173 JCT, Unicoi, TN

Built 1991 Load: 32.4 t ADT: 270

NFA A398

Good

Over: NORTH INDIAN CREEK

.48 MI FROM SR 107, Unicoi, TN

Built 1992 Load: 32.4 t ADT: 110

Showing 18,401-18,450 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.