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

I485E

Unknown

Over: I485, I77 RAMP

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

Built 1994 ADT: 51,500

I77E

Unknown

Over: I77 NBL RAMP

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

Built 1994 ADT: 31,000

I77N

Unknown

Over: I77

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

Built 1994 ADT: 47,500

I485E

Unknown

Over: I77, I485,SUGAR CREEK

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

Built 1994 ADT: 54,000

I485E

Unknown

Over: I77 & I485

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

Built 1994 ADT: 54,000

I485W

Unknown

Over: I77, I485 & SUGAR

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

Built 1994 ADT: 46,500

I485W

Unknown

Over: I485

0.3 MI. E. JCT. SR3649, Mecklenburg, NC

Built 1995 ADT: 39,250

US74E

Unknown

Over: US74

0.8 MI. N. JCT. SR5215, Mecklenburg, NC

Built 1995 ADT: 27,000

US 74 W

Unknown

Over: US74

0.8 MI. N. JCT. SR5214, Mecklenburg, NC

Built 1995 ADT: 28,750

I485N

Unknown

Over: I485

0.2 MI. N. JCT. SR2827, Mecklenburg, NC

Built 1995 ADT: 37,875

I485S

Unknown

Over: I485

1.75 MI. N. JCT. SR3626, Mecklenburg, NC

Built 1995 ADT: 39,250

I485E

Unknown

Over: I485

0.1 MI. S. JCT. SR3626, Mecklenburg, NC

Built 1996 ADT: 35,000

I485W

Unknown

Over: I485

0.7 MI. N. JCT. SR3440, Mecklenburg, NC

Built 1996 ADT: 34,000

I 485 NBL OUTER LO

Unknown

Over: I485

0.1 MI. N. JCT. SR3628, Mecklenburg, NC

Built 2023 ADT: 35,000

US74N

Unknown

Over: US74 RAMP

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

Built 1996 ADT: 21,500

I 485 SBL

Unknown

Over: I485

.7 MI. E. JCT. NC49, Mecklenburg, NC

Built 1996 ADT: 42,750

I-485 SBL (INNER L

Unknown

Over: I485

0.5 MI. N. JCT. SR3440, Mecklenburg, NC

Built 2023 ADT: 118,400

I485W

Unknown

Over: I485

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

Built 1997 ADT: 32,750

PECAN AVENUE

Unknown

Over: PECAN AVENUE

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

Built 1997 ADT: 9,900

SR 3445

Unknown

Over: SR3445

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

Built 1997 ADT: 11,000

SR 3445

Unknown

Over: SR3445

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

Built 1997 ADT: 11,000

I485N

Unknown

Over: I485

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

Built 1997 ADT: 42,000

I485N

Unknown

Over: I485

0.4 MILES W. JCT. US74, Mecklenburg, NC

Built 1997 ADT: 13,500

US74 S RAMP

Unknown

Over: US74 RAMP

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

Built 1997 ADT: 5,600

SR1010

Unknown

Over: SR1010

1.0 MI. N. JCT. SR3448, Mecklenburg, NC

Built 1997 ADT: 23,500

SR1010

Unknown

Over: SR1010

1.0 MI. N. JCT. SR3448, Mecklenburg, NC

Built 1997 ADT: 23,500

I485W

Unknown

Over: I485

0.7 MI. N. JCT. SR1142, Mecklenburg, NC

Built 1997 ADT: 45,000

US 74 E,NC 27 E

Unknown

Over: US74

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

Built 2020 ADT: 49,100

I485S

Unknown

Over: I485

0.4 MI. E. JCT. SR1142, Mecklenburg, NC

Built 1998 ADT: 56,000

I85S

Unknown

Over: I85

0.7 MI. W. JCT.NC29, Mecklenburg, NC

Built 2002 ADT: 70,000

I 485 SBL

Unknown

Over: I485

0.25 MI. E. JCT. SR3175, Mecklenburg, NC

Built 1999 ADT: 27,500

I85N

Unknown

Over: I85 NBL RAMP

0.4 MI. N. JCT. SR1625, Mecklenburg, NC

Built 2005 ADT: 1,030

I85S

Unknown

Over: I85 SBL RAMP

0.4 MI. E. JCT. SR1625, Mecklenburg, NC

Built 2005 ADT: 18,625

I85N

Unknown

Over: I85, I485

0.9 MI. N. JCT. SR1625, Mecklenburg, NC

Built 2005 ADT: 74,500

I485N

Unknown

Over: I485

0.3M. E. JCT. I85, Mecklenburg, NC

Built 2005 ADT: 57,500

I485S RAMP

Unknown

Over: I485

1.0 MI. N. JCT.SR1625, Mecklenburg, NC

Built 2005 ADT: 4,000

I485N

Unknown

Over: I485 NBL RAMP

1.1 MI. E. JCT. SR1625, Mecklenburg, NC

Built 2005 ADT: 47,000

I485S

Unknown

Over: I485

0.8 MI. S. JCT. NC160, Mecklenburg, NC

Built 2006 ADT: 58,000

I485S

Unknown

Over: I485

0.5 MI. N. JCT. SR1116, Mecklenburg, NC

Built 2006 ADT: 58,000

I485S

Unknown

Over: I485

0.38 MI. N. JCT. NC160, Mecklenburg, NC

Built 2002 ADT: 64,500

I485S

Unknown

Over: I485

0.6 MI. S. JCT. NC160, Mecklenburg, NC

Built 2006 ADT: 64,500

I485S OUTER

Unknown

Over: I485

.025 MI. S. JCT. SR1195, Mecklenburg, NC

Built 2006 ADT: 64,500

I485S OUTER

Unknown

Over: I485

170 FT. W. JCT. 1195, Mecklenburg, NC

Built 2006 ADT: 64,500

SR1191

Unknown

Over: SR1191

0.85 MI. S. JCT. US29, Mecklenburg, NC

Built 2006 ADT: 6,100

SR1191

Unknown

Over: SR1191

0.85 MI. S. JCT. US29, Mecklenburg, NC

Built 2006 ADT: 6,100

US29S,US74W

Unknown

Over: US29, US74

0.65 MI. S. JCT. I85, Mecklenburg, NC

Built 2006 ADT: 14,750

US29S,US74W

Unknown

Over: US29, US74

0.65 MI. S. JCT. I85, Mecklenburg, NC

Built 2006 ADT: 14,750

US29S,US74W

Unknown

Over: US29, US74

0.65 MI. S. JCT. I85, Mecklenburg, NC

Built 2006 ADT: 11,750

US29S,US74W

Unknown

Over: US29, US74

0.65 MI. S. JCT. I85, Mecklenburg, NC

Built 2006 ADT: 13,000

I485S

Unknown

Over: I485

0.4 MI. W. JCT. SR1172, Mecklenburg, NC

Built 2003 ADT: 38,000

Showing 1,851-1,900 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.