State profile · Near national median SD

North Carolina bridge safety

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

18,901
Public bridges
35.8%
Good condition
6.2%
Poor condition
6.2%
Structurally deficient

Total Bridges

18,901

Public highway bridges in North Carolina

Good Condition

35.8%

6,773 bridges rated 7-9

-14.2pp vs 50% benchmark

Poor Condition

6.2%

1,165 bridges rated 0-4

Structurally Deficient

6.2%

1,165 bridges flagged for repair priority

-0.8pp vs national avg 7.0%

North Carolina vs national bridge condition

North Carolina — Good condition share 35.8%
National avg

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

North Carolina — Structurally deficient share 20.5%
National avg

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

North Carolina 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 North Carolina on the same metric.

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851
Selected

37

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

15

Hawaii

6.47% top marginal rate
Structure
Progressive
Burden @ $100K
$1,206

30

Montana

6.70% top marginal rate
Structure
Progressive
Burden @ $100K
$5,122

Bridges Needing Most Attention in North Carolina

Six lowest-condition bridges in North Carolina, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in North Carolina

US29 E,NC27 E

Unknown

Over: US29,NC27(MOREHEAD ST.)

0.38 MI. N. JCT. US74, Mecklenburg, NC

Built 1970 ADT: 16,000

I85S

Unknown

Over: I85

0.1 MI. S. JCT. SR2179, Mecklenburg, NC

Built 1971 ADT: 57,000

FOURTH ST WBL

Unknown

Over: FOURTH STREET

0.35 MI. N. JCT. US29, Mecklenburg, NC

Built 1972 ADT: 3,300

WESTBOUND LANE

Unknown

Over: FOURTH STREET

0.35 MI. N. JCT. US29, Mecklenburg, NC

Built 1972 ADT: 2,350

WESTTRADESTREET

Unknown

Over: WEST TRADE STREET

0.5 MI. N. JCT. US29, Mecklenburg, NC

Built 1972 ADT: 16,000

WESTTRADESTREET

Unknown

Over: WEST TRADE STREET

0.5 MI. N. JCT. US29, Mecklenburg, NC

Built 1972 ADT: 16,000

I77N,US21N

Unknown

Over: I77, US21

0.2 MI.W.JCT.SR1899, Mecklenburg, NC

Built 1969 ADT: 72,500

I85S

Unknown

Over: I85

1.24 MI. S. JCT. SR2480, Mecklenburg, NC

Built 1988 ADT: 87,500

NORTH DAVIDSON STR

Unknown

Over: NORTH DAVIDSON STREET

0.45MI.S.JCT.N.TRYON ST., Mecklenburg, NC

Built 1968 ADT: 9,600

BREVARD STREET

Unknown

Over: SOU.RR,BREVARD ST.

0.2MI.S.JCT.N.TRYON ST., Mecklenburg, NC

Built 1969 ADT: 2,800

I77S

Unknown

Over: I77 SBL

10 FT. N. JCT. NC16, Mecklenburg, NC

Built 1972 ADT: 11,600

I77S,US29S

Unknown

Over: I77 SBL, US21 SBL

0.8 MI.N.JCT.SR2074, Mecklenburg, NC

Built 1972 ADT: 72,500

ANDRILL TERRACE

Unknown

Over: ANDRILL TERR.& IRWIN CRK

2.1 MI. S. I-85, Mecklenburg, NC

Built 1972 ADT: 300

I85N

Unknown

Over: I85

0.1 MI. E. JCT. SR2621, Mecklenburg, NC

Built 1971 ADT: 91,500

I 77 S HOV

Unknown

Over: I77 & IRWIN CREEK

0.5 MI. W. JCT. SR2691, Mecklenburg, NC

Built 2018 ADT: 34,500

I85S

Unknown

Over: I85 NBL

0.6 MI. W. JCT. US29, Mecklenburg, NC

Built 2005 ADT: 77,500

I85S

Unknown

Over: I85

0.33 MI. E. JCT. SR2699, Mecklenburg, NC

Built 1970 ADT: 60,500

I 77 W

Unknown

Over: I-77 NBL

0.32M. S. JCT. I-85, Mecklenburg, NC

Built 2020 ADT: 73,500

I85S

Unknown

Over: I85

2.2MI. N. JCT. NC16, Mecklenburg, NC

Built 1970 ADT: 81,000

I85S

Unknown

Over: I85

0.9 MI. N. JCT.LASALLE ST, Mecklenburg, NC

Built 1970 ADT: 83,500

I85S

Unknown

Over: I85

0.25 MI. E. JCT. SR2473, Mecklenburg, NC

Built 1993 ADT: 57,750

I77S

Unknown

Over: I77 SBL

0.4 MI. N. JCT. I85, Mecklenburg, NC

Built 2005 ADT: 55,309

US74 E. RAMP

Unknown

Over: I277,NC16,NC27,US74 SBL

0.35 MI. W. JCT. NC27, Mecklenburg, NC

Built 1971 ADT: 21,750

I85S

Unknown

Over: I85

0.4 MI. W. JCT. I485, Mecklenburg, NC

Built 2012 ADT: 40,000

I77S

Unknown

Over: I77

0.5 MI. E. JCT. SR 2074, Mecklenburg, NC

Built 1971 ADT: 57,000

TENTHSTW

Unknown

Over: 10TH STREET

0.35 MI. N. JCT. NC27, Mecklenburg, NC

Built 1970 ADT: 4,900

TENTHSTE

Unknown

Over: 10TH STREET

0.35 MI. N. JCT. NC27, Mecklenburg, NC

Built 1970 ADT: 4,900

I277S

Unknown

Over: I277 & NC16

0.5 MI. E. JCT. NC27, Mecklenburg, NC

Built 1973 ADT: 38,000

I277S,NC16S

Unknown

Over: I277 & NC16

0.6 MI.W.JCT.US74, Mecklenburg, NC

Built 1973 ADT: 43,000

BREVARD ST.

Unknown

Over: BREVARD STREET

0.7 MI.N.JCT.US74 WBL, Mecklenburg, NC

Built 1967 ADT: 3,200

I77S

Unknown

Over: I77

0.56 MI. W. JCT. SR2691, Mecklenburg, NC

Built 1975 ADT: 57,000

NORTH COLLEGE STRE

Unknown

Over: NORTH COLLEGE STREET

0.84 MI.N.JCT.US74 WBL, Mecklenburg, NC

Built 1967 ADT: 5,700

TRYON STREET

Unknown

Over: TRYON STREET

0.35 MI.S.JCT.US29&NC49, Mecklenburg, NC

Built 1973 ADT: 14,000

N CHURCH ST.

Unknown

Over: NORTH CHURCH STREET

0.3 MI.S.JCT.US29 & NC49, Mecklenburg, NC

Built 1973 ADT: 5,300

US29,NC49

Unknown

Over: US29/NC49 (GRAHAM ST.)

1.22 MI.N.JCT.US74 WBL, Mecklenburg, NC

Built 1971 ADT: 10,750

NC MUSIC FAC. BLVD

Unknown

Over: SCLRR & JOHNSON STREET

0.15 MI. N. JCT. NC49, Mecklenburg, NC

Built 1971 ADT: 500

I 77 SBL

Unknown

Over: I77

0.25 MI. E. JCT SR2110, Mecklenburg, NC

Built 2018 ADT: 37,500

I277N,NC16N

Unknown

Over: I277/ NC16

0.05 MI. W. OF BURTON ST., Mecklenburg, NC

Built 1972 ADT: 50,000

I77N

Unknown

Over: I77 NBL

0.7 MI.S.JCT.SR2074, Mecklenburg, NC

Built 1972 ADT: 72,500

I77S,US21S

Unknown

Over: I77 SBL, US21 SBL

0.05 MI. N. JCT. I77 NBL, Mecklenburg, NC

Built 1972 ADT: 72,500

I77N,US21N

Unknown

Over: I77/US21 NBL&RAMP 11B

0.6 MI.N.JCT.NC49, Mecklenburg, NC

Built 1972 ADT: 79,000

I 277N RAMP

Unknown

Over: I77 NBL & I277 SBL

0.65 MI. W.JCT.NC49, Mecklenburg, NC

Built 2019 ADT: 100

I77S,US21S

Unknown

Over: I77 SBL

0.7 MI. S. JCT. SR2074, Mecklenburg, NC

Built 1972 ADT: 56,525

ANDRILL TERRACE

Unknown

Over: IRWIN CREEK,ANDRILL TERR

0.05 MI. N. JCT. I77, Mecklenburg, NC

Built 1972 ADT: 300

I77S,US21S

Unknown

Over: I77RAMP,IRWIN CK,CITY ST

0.2 MI. N. JCT. I77, Mecklenburg, NC

Built 1972 ADT: 3,900

NC16S

Unknown

Over: NC16 & SCL.RR

0.5 MI. N. JCT. I77, Mecklenburg, NC

Built 1972 ADT: 19,250

I77S

Unknown

Over: I77

0.38 MI. W. JCT. US21, Mecklenburg, NC

Built 1975 ADT: 21,500

I77S, EXIT TO I485

Unknown

Over: I77 & RAMPS

0.12 MI. W. JCT. US21, Mecklenburg, NC

Built 2008 ADT: 6,188

I 77 S EXP

Unknown

Over: I-77

0.25 MI. W. JCT. US21, Mecklenburg, NC

Built 2019 ADT: 30,000

I85N

Unknown

Over: I85

.35 MI. S JCT HOSKINS RD, Mecklenburg, NC

Built 1990 ADT: 70,500

Showing 1,751-1,800 of 18,901 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.