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.

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%.

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.

All Bridges in Tennessee

I40 RMP

Unknown

Over: I40WB-RMP/BLACKSTOCK-RR

AT I40-I275 EXCHANGE, Knox, TN

Built 1982 ADT: 1,071

I275 RL ONLY

Unknown

Over: I40-EB RMP TO I275 / I40

IN KNOXVILLE, Knox, TN

Built 1982 ADT: 139,697

I40

Unknown

Over: I40 VIADUCT / GAY STREET

WILLOW AVENUE, Knox, TN

Built 2006 ADT: 2,085

I40

Unknown

Over: I40-RL/SR158 RP TO I40 W

DOWNTOWN KNOXVILLE, Knox, TN

Built 2007 ADT: 26,782

I40

Unknown

Over: I40-LL / E. FIFTH AVE.

DOWNTOWN KNOXVILLE, Knox, TN

Built 2007 ADT: 5,208

I40

Unknown

Over: I40 / GILL AVE.

E OF SR158 EXCHANGE, Knox, TN

Built 2007 ADT: 400

I40

Unknown

Over: I40-WB-RMP / GILL AVE.

E OF SR158 EXCHANGE, Knox, TN

Built 2007 ADT: 400

NFA 5666

Unknown

Over: HALL OF FAME DR / I40

EAST OF I-40 VIADUCT, Knox, TN

Built 1965 ADT: 89,950

SR 115 RAMP

Unknown

Over: SR115-EB RMP/I40&21ST.

0.7 MI W JCT I40 & SR 62, Knox, TN

Built 1981 ADT: 139,697

I40

Unknown

Over: I40 / NORTH 6TH ST.

E OF I40-SR158 EXCHANGE, Knox, TN

Built 1991 ADT: 1,000

I40 RL

Unknown

Over: I40 /SOU RR& MITCHELL ST

E OF I40-SR158 EXCHANGE, Knox, TN

Built 1967 ADT: 800

I40 RL

Unknown

Over: I-40 / BORUFF ST.

E OF SR158 EXCHANGE, Knox, TN

Built 1991 ADT: 400

I40

Unknown

Over: I40 / CHERRY STREET

2 MI. W. OF SR 1, Knox, TN

Built 1967 ADT: 16,620

I40

Unknown

Over: I40 / PROSSER ROAD

JUST W OF US11W EXIT, Knox, TN

Built 1968 ADT: 2,277

I40

Unknown

Over: I40 / RUTLEDGE PIKE

JUST W. OF I-640 JCT., Knox, TN

Built 1968 ADT: 21,875

NFA C453

Unknown

Over: SPRING HILL ROAD / I40

JUST W. OF I-640 JCT., Knox, TN

Built 1982 ADT: 68,467

I40

Unknown

Over: I40 / CHILHOWEE ROAD

JUST E OF I40-I640 EXCH., Knox, TN

Built 1982 ADT: 5,356

I40

Unknown

Over: I40 / ASHEVILLE HWY.

NEAR KNOXVILLE TENN., Knox, TN

Built 1965 ADT: 35,477

I40

Unknown

Over: I40 / HOLSTON DRIVE

JUST E OF US11E EXCHANGE, Knox, TN

Built 1968 ADT: 200

I40

Unknown

Over: I40 / HOLSTON R. &SR 168

AT HOLSTON RIVER, Knox, TN

Built 1975 ADT: 15,408

NFA D668

Unknown

Over: OGLESBY ROAD / I40

NEAR THE SEVIER CO LINE, Knox, TN

Built 1975 ADT: 77,847

NFA D670

Unknown

Over: UNION SCHOOL ROAD / I40

NEAR THE SEVIER CO LINE, Knox, TN

Built 1971 ADT: 77,847

I40 RL

Unknown

Over: I40-RL/STRAWBERRY PLAIN

IN KNOX CO, Knox, TN

Built 1975 ADT: 9,000

I40 LL

Unknown

Over: I40-LL/STRAWBERRY PLAIN

IN KNOX CO, Knox, TN

Built 1975 ADT: 6,249

I40 RL

Unknown

Over: I40-RL/HUCKLEBERY SPG RD

4.3 MI E JCT I40&SR168, Knox, TN

Built 1975 ADT: 2,124

I40 LL

Unknown

Over: I40-LL/HUCKLEBERY SPG RD

4.3 MI E JCT I40&SR168, Knox, TN

Built 1975 ADT: 2,124

NFA D680

Unknown

Over: MCMILLAND ROAD / I40

NEAR THE SEVIER CO LINE, Knox, TN

Built 1975 ADT: 86,972

I40 RL

Unknown

Over: I40-EB / COOPER ROAD

JUST W OF THORNGROVE EXIT, Knox, TN

Built 1975 ADT: 200

I40 LL

Unknown

Over: I40-WB / COOPER ROAD

JUST W OF THORNGROVE EXIT, Knox, TN

Built 1975 ADT: 200

NFA 1260

Unknown

Over: THORNGROVE ROAD / I40

NEAR KNOXVILLE TENN., Knox, TN

Built 1971 ADT: 86,972

I40 RL (SA 4735)

Unknown

Over: I40-RL / MIDWAY ROAD

E OF THORNGROVE PK EXIT, Knox, TN

Built 1975 ADT: 2,136

I40 LL (SA 4735)

Unknown

Over: I40-LL / MIDWAY ROAD

E OF THORNGROVRE PK EXIT, Knox, TN

Built 1975 ADT: 2,136

I40 RL

Unknown

Over: I40-EB / SMITH SCHOOL RD

1.8 M W OF SEVIER CO LINE, Knox, TN

Built 1975 ADT: 200

I40 LL

Unknown

Over: I40-WB / SMITH SCHOOL RD

1.8 M W OF SEVIER CO LINE, Knox, TN

Built 1975 ADT: 200

I40

Unknown

Over: I40 / I640 RMP TO I40-EB

I-40 & I-640 JCT., Knox, TN

Built 1982 ADT: 69,368

I40 RAMP

Unknown

Over: I40-WB-RMP / 21ST. ST.

AT SR 115 JCT, Knox, TN

Built 1981 ADT: 3,218

I40 RAMP

Unknown

Over: I40-EB RMP / 21ST. ST.

AT I40-ALCOA HWY EXCHANGE, Knox, TN

Built 1981 ADT: 3,218

I40 RAMP

Unknown

Over: I40-WB-RMP / 5TH. AVE.

AT I40-I275 EXCHANGE, Knox, TN

Built 1981 ADT: 6,912

I40 RMP

Unknown

Over: I40 EB FLY / RMP TOI640W

I40 & I640 JCT, Knox, TN

Built 1982 ADT: 69,368

I40 RAMP

Unknown

Over: I-40-WB RMP/UNIVERSITY A

AT SR 115 JCT., Knox, TN

Built 1981 ADT: 14,726

I275 RMP

Unknown

Over: I275 SB / BLACKSTOCK ST.

IN KNOXVILLE, Knox, TN

Built 1982 ADT: 1,071

I040

Unknown

Over: CEDAR BLUFF RD RMP/I40RM

RAMP 2-E / RAMP 2-A, Knox, TN

Built 1993 ADT: 166,251

I40

Unknown

Over: I40 / BRIDGEWATER RD.

.5M N SR1, Knox, TN

Built 1998 ADT: 9,073

FAU 4828

Unknown

Over: GALLAHER VIEW RD. / I40

CITY OF KNOXVILLE, Knox, TN

Built 1996 ADT: 173,049

I40 RAMP 5-C

Unknown

Over: I40-EB RMP / BLACKSTOCK

CITY OF KNOXVILLE, Knox, TN

Built 1986 ADT: 1,071

FAP 1 RAMP 5G

Unknown

Over: SR 1 RP-G / SR-62

CITY OF KNOXVILLE, Knox, TN

Built 1986 ADT: 11,735

I40 RAMP 5-H

Unknown

Over: I40-EB-RP H / BLACKSTOC

CITY OF KNOXVILLE, Knox, TN

Built 1994 ADT: 1,071

I140

Unknown

Over: I-140 / I40

CITY OF KNOXVILLE, Knox, TN

Built 1996 ADT: 114,045

FAP 162

Unknown

Over: SR 162 SB RMP TO I40/I40

AT PELLISSIPPI PKWY., Knox, TN

Built 1998 ADT: 154,869

I40 RAMP

Unknown

Over: I40-EB RMP / UNIVERSITY

DOWNTOWN KNOXVILLE, Knox, TN

Built 2001 ADT: 14,726

Showing 1,001-1,050 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.

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.

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.