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 A405

Good

Over: SOUTH INDIAN CREEK

NEAR JCT OF SR 36 & SR81, Unicoi, TN

Built 1986 Load: 32.4 t ADT: 50

NFA A304

Good

Over: NORTH INDIAN CREEK

W OF SR36-S OF UNICOI, Unicoi, TN

Built 1984 Load: 32.4 t ADT: 70

NFA A455

Good

Over: MARTINS CREEK

IN THE CITY OF ERWIN, Unicoi, TN

Built 1998 Load: 32.4 t ADT: 250

NFA A455

Good

Over: MARTINS CREEK

IN THE CITY OF ERWIN, Unicoi, TN

Built 1998 Load: 32.4 t ADT: 250

NFA A481

Good

Over: DRY CREEK

.1 MI NW OF DRY CREEK RD, Unicoi, TN

Built 2021 Load: 32.4 t ADT: 10

NFA A482

Good

Over: N INDIAN CREEK

.01 M N OF SR 107, Unicoi, TN

Built 2000 Load: 32.4 t ADT: 90

NFA A484

Good

Over: SOUTH INDIAN CREEK

LAVRN HILL RD, Unicoi, TN

Built 2000 Load: 32.4 t ADT: 10

NFA A507

Good

Over: DEVIL FORK CREEK

1MI OF SR 352, Unicoi, TN

Built 2009 Load: 32.4 t ADT: 10

NFA A038

Good

Over: SOUTH INDIAN CREEK

E OF SR81-.5 M N OF ROCKY, Unicoi, TN

Built 1987 Load: 32.4 t ADT: 10

NFA A609

Good

Over: SOUTH INDIAN CREEK

E OFF SR81 N OF SR352 JCT, Unicoi, TN

Built 1998 Load: 32.4 t ADT: 20

NFA 1347 (SA 8602)

Good

Over: HIGGINS CREEK

1.8 M S OF SR36, Unicoi, TN

Built 1980 Load: 32.4 t ADT: 234

I26 RT LN

Good

Over: CSX RAILROAD

2.3 M S OF CARTER CO LINE, Unicoi, TN

Built 1985 Load: 32.4 t ADT: 15,784

I26 LT LN

Good

Over: CSX RAILROAD

2.3 M S OF CARTER CO LINE, Unicoi, TN

Built 1985 Load: 32.4 t ADT: 15,784

I26 RAMP

Good

Over: N. FK. ROCKY CREEK

NORTH OF ERWIN, Unicoi, TN

Built 1981 Load: 32.4 t ADT: 13,947

NFA 1347 (SA 8602)

Good

Over: HIGGINS CREEK

E OF SR81 AT FLAG POND, Unicoi, TN

Built 2018 Load: 32.4 t ADT: 594

FAS 36

Good

Over: WATTS BRANCH

2.1 M S JCT SR36&SR81, Unicoi, TN

Built 1928 Load: 32.4 t ADT: 339

FAS 36

Good

Over: SPIVEY CREEK

1.5 M S JCT SR36&SR81, Unicoi, TN

Built 1995 Load: 32.4 t ADT: 339

FAS 36

Good

Over: SPIVEY CREEK

1.3 MI.S.OF ERNESTNILLE, Unicoi, TN

Built 1990 Load: 32.4 t ADT: 511

NFA 2559

Good

Over: INDIAN CREEK

.1 M S JCT SR81&SR352, Unicoi, TN

Built 1996 Load: 32.4 t ADT: 480

FAS 352

Good

Over: ROCK FORK CREEK

.1 M NE JCT SR81&SR352, Unicoi, TN

Built 1996 Load: 32.4 t ADT: 858

FAP 406 (SR 81)

Good

Over: SOUTH INDIAN CREEK

.1 M SW JCT SR81&SR36, Unicoi, TN

Built 1996 Load: 32.4 t ADT: 858

FAS 107

Good

Over: INDIAN CREEK

3 MI.S.EAST OF UNICOI, Unicoi, TN

Built 2004 Load: 32.4 t ADT: 4,687

FAS 107

Good

Over: RED FORD CREEK

1.7 M SE JCT SR107&SR173, Unicoi, TN

Built 1991 Load: 32.4 t ADT: 1,057

FAS 107

Good

Over: CSX RR

NEAR ERWIN, Unicoi, TN

Built 2015 Load: 32.4 t ADT: 9,422

FAS 173 644501J

Good

Over: CLINCHFIELD RAILROAD

JUST E OF NEW SR 36, Unicoi, TN

Built 1985 Load: 32.4 t ADT: 5,170

NFA 1274

Good

Over: HAMILTON GAP CREEK

SE OF SR33 SR61 JCT, Union, TN

Built 1987 Load: 32.4 t ADT: 808

NFA 1345

Good

Over: LITTLE BARREN CREEK

1.5 NW OF SR33 AT CO LINE, Union, TN

Built 2021 Load: 32.4 t ADT: 137

NFA A120

Good

Over: N FK BULL RUN CREEK

IN MAYNARDVILLE-S OF SR33, Union, TN

Built 1996 Load: 32.4 t ADT: 90

NFA A120

Good

Over: BULL RUN CREEK

BTWN LUTTRELL & MAYNARDVL, Union, TN

Built 1987 Load: 32.4 t ADT: 90

NFA A121

Good

Over: BULL RUN CREEK

NW OF LUTTRELL, Union, TN

Built 2016 Load: 32.4 t ADT: 90

NFA A121

Good

Over: N. FORK BULL RUN CREEK

NEAR MAYNARDVILLE, Union, TN

Built 2016 Load: 32.4 t ADT: 90

NFA A122

Good

Over: BULL RUN CREEK

NW OF LUTTRELL, Union, TN

Built 1960 Load: 32.4 t ADT: 90

NFA A137

Good

Over: FLAT CREEK

E OF SR61-IN LUTTRELL, Union, TN

Built 2016 Load: 32.4 t ADT: 170

NFA A156

Good

Over: N FORK BULL RUN CREEK

S OF SR33 AT MAYNARDVILLE, Union, TN

Built 1980 Load: 32.4 t ADT: 210

NFA A156

Good

Over: RACCOON CREEK

E OF SR33 AT PAULETTE, Union, TN

Built 2022 Load: 32.4 t ADT: 930

NFA D346

Good

Over: BULL RUN CREEK

3.2 MI E OF PAULETTE, Union, TN

Built 2008 Load: 32.4 t ADT: 80

NFA 1299

Good

Over: LITTLE BRANCH

BTWN SR61 & 131-S OF LUTT, Union, TN

Built 2023 Load: 32.4 t ADT: 518

NFA 1090 (SA 8711)

Good

Over: HUNTING CREEK

.1 M E OF SHARPS CHAPEL, Union, TN

Built 2001 Load: 32.4 t ADT: 1,746

NFA 1090 (SA 8711)

Good

Over: BRANCH

1.8 M E OF SHARPS CHAPEL, Union, TN

Built 2010 Load: 32.4 t ADT: 2,533

FAP 33

Good

Over: CLINCH RIVER(NORRIS LAKE

5.6 MI.NE.OF MAYNARDVILLE, Union, TN

Built 2016 Load: 32.4 t ADT: 7,637

FAS 144

Good

Over: BULL RUN CREEK

.5 M W JCT SR144&SR370, Union, TN

Built 1986 Load: 32.4 t ADT: 3,217

FAS 144

Good

Over: N FORK BULL RUN CREEK

1.2 M SE JCT SR144&SR33, Union, TN

Built 2011 Load: 32.4 t ADT: 3,217

FAS 284

Good

Over: PINEY CREEK

2 MI. EAST OF SR 111, Van Buren, TN

Built 1977 Load: 32.4 t ADT: 941

NFA 1134 (SA 8802)

Good

Over: BOULDIN BRANCH

2 MI FROM SR111, Van Buren, TN

Built 1986 Load: 32.4 t ADT: 632

NFA 2140 (SA 8804)

Good

Over: LITTLE DOUBLE CREEK

SOUTH OF CANEY FORK RIVES, Van Buren, TN

Built 1950 Load: 32.4 t ADT: 100

NFA 2185 (SA 8801)

Good

Over: BIG BRANCH

2.5 MI N OF SEQUATCHIE CO, Van Buren, TN

Built 1992 Load: 32.4 t ADT: 262

NFA 2185 (SA 8801)

Good

Over: HARPER BRANCH

2MI FROM WARREN CO LINE, Van Buren, TN

Built 1984 Load: 32.4 t ADT: 262

NFA 2185 (SA 8801)

Good

Over: BEE FORK CREEK

6 MI S OF SR 30, Van Buren, TN

Built 1993 Load: 32.4 t ADT: 262

NFA A070

Good

Over: SPRING CREEK

1MI FROM BLEDSOE CO LINE, Van Buren, TN

Built 1983 Load: 32.4 t ADT: 10

NFA A075

Good

Over: JACK BRANCH

0.9 N OF SR-30, Van Buren, TN

Built 2000 Load: 32.4 t ADT: 50

Showing 18,451-18,500 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.