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

I77S

Unknown

Over: I77

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

Built 1975 ADT: 37,500

I 77 S EXP

Unknown

Over: I77

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

Built 1975 ADT: 23,125

I 77 S EXP

Unknown

Over: I77

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

Built 1975 ADT: 23,125

I 77 N EXP

Unknown

Over: I77 NBL

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

Built 1992 ADT: 22,375

I 77S EXP LN

Unknown

Over: I77 SBL

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

Built 1992 ADT: 23,125

I 77 N EXP

Unknown

Over: I77

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

Built 1976 ADT: 20,125

I 77 S EXP

Unknown

Over: I77

0.3 MI. W. JCT. SR2151, Mecklenburg, NC

Built 2018 ADT: 27,000

US74 E

Unknown

Over: US74, I277 RAMP

300 FT.E.JCT.7TH STREET, Mecklenburg, NC

Built 1970 ADT: 44,500

US74 E RAMP

Unknown

Over: I277&NC16,US74EBL,RAMP

0.1 MI. W. JCT. SR3300, Mecklenburg, NC

Built 1971 ADT: 2,000

NC 16S

Unknown

Over: NC16S

0.1 MI. S. JCT. 16N, Mecklenburg, NC

Built 1981 ADT: 11,500

NC 16N

Unknown

Over: NC16N

0.1 MI. N. JCT.NC16S, Mecklenburg, NC

Built 1981 ADT: 27,000

ELIZABETH AVE

Unknown

Over: ELIZABETH AVE.

0.1 MI. N. JCT. NC16N, Mecklenburg, NC

Built 1981 ADT: 9,400

SR 5TH STREET

Unknown

Over: 5TH STREET

0.2 MI. E. JCT. NC16, Mecklenburg, NC

Built 1981 ADT: 8,000

FIFTH STREET

Unknown

Over: 5TH STREET

0.1 MI. S. JCT. NC27, Mecklenburg, NC

Built 1981 ADT: 4,500

US29N,US74E

Unknown

Over: US29 & US74

0.2 MI. N. JCT. SR1191, Mecklenburg, NC

Built 1981 ADT: 9,000

US29S,US74W

Unknown

Over: US29 & US74

0.2 MI. N. JCT. SR1191, Mecklenburg, NC

Built 1981 ADT: 10,000

SR1490S

Unknown

Over: SR1490

0.5 MI. W. JCT. SR5901, Mecklenburg, NC

Built 1983 ADT: 7,000

SR1490E

Unknown

Over: SR1490

0.2 MI. S. JCT. US74, Mecklenburg, NC

Built 1983 ADT: 7,000

STONEWALL ST,W

Unknown

Over: STONEWALL STREET

0.23 MI. S. JCT. NC16, Mecklenburg, NC

Built 1986 ADT: 15,000

STONEWALLST.W

Unknown

Over: STONEWALL STREET

0.23 MI. S. JCT. NC16, Mecklenburg, NC

Built 1986 ADT: 9,000

NC27E

Unknown

Over: NC27 (S. MCDOWELL ST.)

0.5 MI. S. JCT. NC16, Mecklenburg, NC

Built 1986 ADT: 5,000

NC27W

Unknown

Over: NC27 (S. MCDOWELL ST.)

0.5 MI. S. JCT. NC16, Mecklenburg, NC

Built 1986 ADT: 1,000

I277N,INNER

Unknown

Over: I277 & US74

0.12 MI. S. JCT. BROOKLYN, Mecklenburg, NC

Built 1986 ADT: 48,000

US29

Unknown

Over: US29 & NC27

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

Built 1987 ADT: 20,000

US29,NC27

Unknown

Over: US29 & NC27

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

Built 1987 ADT: 27,000

US29,NC49

Unknown

Over: US29 & NC49

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

Built 1987 ADT: 11,000

US29E,NC49E

Unknown

Over: US29 & NC49

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

Built 1987 ADT: 7,200

NC49S

Unknown

Over: NC49

0.49 MI.E.JCT.SR2968, Mecklenburg, NC

Built 1987 ADT: 16,000

NC49S

Unknown

Over: NC49

0.49 MI. E. JCT. SR2968, Mecklenburg, NC

Built 1987 ADT: 16,000

I277S,US74W

Unknown

Over: I277, US74

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

Built 1987 ADT: 30,500

I277S,US74W

Unknown

Over: I277, US74

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

Built 1987 ADT: 15,000

I277S RAMP

Unknown

Over: I277

.1 MI N JCT NC27, Mecklenburg, NC

Built 1987 ADT: 18,375

STONEWALL ST.,E

Unknown

Over: STONEWALL STREET

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

Built 1988 ADT: 11,500

I77N

Unknown

Over: I77 RAMP

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

Built 1988 ADT: 21,500

NC24E

Unknown

Over: NC24

0.3 MI. S. JCT. SR2831, Mecklenburg, NC

Built 1988 ADT: 23,000

SR5901S

Unknown

Over: SR5901 & TAGGART CR CREE

0.35 MI. E. JCT. SR1551, Mecklenburg, NC

Built 1988 ADT: 17,750

I77N

Unknown

Over: I77 RAMP

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

Built 1989 ADT: 24,500

I485E

Unknown

Over: I485

1.1 MI. N. JCT. NC51, Mecklenburg, NC

Built 1990 ADT: 74,000

SR1128E

Unknown

Over: SR1128

1.8 MI. S. JCT. SR1138, Mecklenburg, NC

Built 1992 ADT: 15,500

I485W

Unknown

Over: I485

0.8 MI. N. JCT. SR1128, Mecklenburg, NC

Built 1992 ADT: 54,000

NC51S

Unknown

Over: NC51

1.0 MI. E. JCT. US51, Mecklenburg, NC

Built 1992 ADT: 27,500

NC51N

Unknown

Over: NC51

2.7 MI. W. JCT. US521, Mecklenburg, NC

Built 1992 ADT: 23,250

US74E,NC27E

Unknown

Over: US74 & EDWARDS BRANCH

0.4 MI. N. JCT. SR3300, Mecklenburg, NC

Built 1992 ADT: 51,500

WESTINGHOUSE BLVD

Unknown

Over: WESTINGHOUSE BLVD

1.1 MI. W. JCT. US521, Mecklenburg, NC

Built 2021 ADT: 20,000

WESTINGHOUSE BLVD.

Unknown

Over: E. WESTINGHOUSE BOULEVAR

1.1 MI. W. JCT. US521, Mecklenburg, NC

Built 2021 ADT: 20,000

I77N

Unknown

Over: I77

0.8 MI. W. JCT. SR1126, Mecklenburg, NC

Built 1993 ADT: 47,500

I 485 WBL

Unknown

Over: I485

0.5 MI N.OF SR 4979, Mecklenburg, NC

Built 2021 ADT: 48,000

I485W

Unknown

Over: I485

1.7 MI. W. JCT. NC51, Mecklenburg, NC

Built 1993 ADT: 61,000

I485W

Unknown

Over: I485

0.8 MI. E. JCT. NC51, Mecklenburg, NC

Built 1994 ADT: 46,000

I77S

Unknown

Over: I77 SBL RAMP

0.8 MI. N. JCT.SR1126, Mecklenburg, NC

Built 1994 ADT: 14,250

Showing 1,801-1,850 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.