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

I840E

Unknown

Over: I73, I840S

0.25 MI. E. JCT. SR2137, Guilford, NC

Built 2006 ADT: 16,833

SR2085E

Unknown

Over: SR2085

0.55 MI. N. JCT. SR2137, Guilford, NC

Built 2007 ADT: 24,000

I73S.RAMP

Unknown

Over: I-840,I-840RAMP

1.3 MI. S. JCT. SR2137, Guilford, NC

Built 2007 ADT: 12,625

I73S

Unknown

Over: I73/I840N,SR2085

0.9 MI. W. JCT. SR2136, Guilford, NC

Built 2018 ADT: 25,250

SR2085W

Unknown

Over: I73/I840N,SR2085

0.6 MI. S. OF JCT. SR2136, Guilford, NC

Built 2004 ADT: 24,000

I73S

Unknown

Over: I-73

0.52 MI E. JCT SR2313, Guilford, NC

Built 2014 ADT: 1,450

US158E

Unknown

Over: US158US 158US 158

1.5MI. S. JCT. US220,NC65, Guilford, NC

Built 2014 ADT: 9,000

I74W,US311N

Unknown

Over: I74, US311W.COLLECTOR

0.20 MI. N. JCT. US29/70, Guilford, NC

Built 2005 ADT: 11,375

I74E,US311S

Unknown

Over: I74E, US311 EBL COLLECTO

0.2 MI. N. JCT.US29/70, Guilford, NC

Built 2005 ADT: 6,125

I85S,US29S,US70W

Unknown

Over: I85SBUS,US29S,US70W,COLL

0.06 MI. N. JCT. US29/70, Guilford, NC

Built 2005 ADT: 6,375

I85S,US29S,US70W

Unknown

Over: I85SBUS,US29S,US70W COLL

0.06 MI. N. JCT. US29/70, Guilford, NC

Built 2005 ADT: 8,000

I85S BUS., US29S,

Unknown

Over: I85BUS,US29,US70,COLL

1.5 MI. S. JCT. SR1113, Guilford, NC

Built 2005 ADT: 20,500

I85N BUS., US29N,

Unknown

Over: US29,70/I85BUS&COLLECTOR

1.5 MI. S. JCT. SR1113, Guilford, NC

Built 2005 ADT: 6,000

SR1424

Unknown

Over: SR1424

1.2 MI. E. JCT. SR4121, Guilford, NC

Built 2008 ADT: 10,500

SR1424

Unknown

Over: SR1424

1.2 MI.W. JCT. SR4121, Guilford, NC

Built 2008 ADT: 12,000

I73S,I40E,US421S

Unknown

Over: I73, US421

0.9 MI. S. JCT. SR1541, Guilford, NC

Built 2008 ADT: 29,250

SR1541S

Unknown

Over: SR1541

0.9 MI. W. JCT. SR4126, Guilford, NC

Built 2008 ADT: 23,000

SR1541S

Unknown

Over: SR1541

0.9 MI. W. JCT. SR4126, Guilford, NC

Built 2008 ADT: 23,000

SR1546

Unknown

Over: SR1546

0.3 MI. E. JCT. SR1541, Guilford, NC

Built 2008 ADT: 23,000

SR1546

Unknown

Over: SR1546

0.3 MI. W. JCT. SR1541, Guilford, NC

Built 2008 ADT: 23,000

I73S,US421S

Unknown

Over: I73, US421

0.7 MI. W. JCT. I85 BUS, Guilford, NC

Built 2008 ADT: 30,750

SR1129

Unknown

Over: SR1129

0.6 MI. S. JCT. SR4121, Guilford, NC

Built 2008 ADT: 12,500

SR1129

Unknown

Over: SR1129

0.6 MI. S. JCT. SR4121, Guilford, NC

Built 2008 ADT: 12,000

SR4205

Unknown

Over: SR4205

0.3 MI. S. JCT. SR4121, Guilford, NC

Built 2008 ADT: 100

SR4205

Unknown

Over: SR4205

0.3 MI. E. JCT. SR4121, Guilford, NC

Built 2008 ADT: 100

I73N,US421N

Unknown

Over: I73 & US421

0.8 MI. S. JCT. SR1129, Guilford, NC

Built 2008 ADT: 30,750

I85S

Unknown

Over: I85, I85 RAMP

0.1 MI. N. JCT. I85 BUS, Guilford, NC

Built 2008 ADT: 28,500

I73N,I85S,US421N,R

Unknown

Over: I-85,I-73,US421N

0.2 MI. N. JCT. I85 BUS, Guilford, NC

Built 2008 ADT: 13,750

I85S

Unknown

Over: I85BUS

0.8 MI. E. JCT. SR1398, Guilford, NC

Built 2008 ADT: 19,666

I85N

Unknown

Over: I85 BUS

0.8 MI. N. JCT. SR1398, Guilford, NC

Built 2008 ADT: 23,000

I85S

Unknown

Over: I85 BUS

0.2 MI. N. JCT. I85, Guilford, NC

Built 2008 ADT: 28,250

I85S

Unknown

Over: I85

0.8 MI. W. JCT. SR3045, Guilford, NC

Built 2001 ADT: 22,500

I73N;BRYAN BLVD.

Unknown

Over: I-73

0.1 MI. W. JCT. SR2137, Guilford, NC

Built 2009 ADT: 5,000

SR2085N.RAMP

Unknown

Over: I73/SR2085

0.4 MI. E. JCT. SR2259, Guilford, NC

Built 2009 ADT: 3,333

I785S,I840S

Unknown

Over: I785, I840

0.1 MI. N. JCT. I40,85BUS, Guilford, NC

Built 2002 ADT: 26,000

I40E,I85N RAMP

Unknown

Over: I40, I85 BUS EBL RAMP

0.15 MI.S.JCT.I85/40, Guilford, NC

Built 2002 ADT: 19,500

I73N.RMP.

Unknown

Over: I-73

0.75 MI. W. AIRPORT PKWY, Guilford, NC

Built 2009 ADT: 3,333

NCTEDJOHNSONPKWY R

Unknown

Over: TED JOHNSTON PKWY RAMPS

0.2 MI W OF OLD OAK RIDGE, Guilford, NC

Built 2009 ADT: 3,333

I74W,US311N

Unknown

Over: I74, US311

1.0 MI. N. JCT. I85, Guilford, NC

Built 2009 ADT: 8,000

I85N,I785N,I840N

Unknown

Over: I85, I785, I840

1.3 MI. E. JCT. SR3029, Guilford, NC

Built 2003 ADT: 13,000

I85N

Unknown

Over: I85

0.1 MI. N. JCT. SR3000, Guilford, NC

Built 2003 ADT: 21,000

I74W,US311N

Unknown

Over: I74, US311

0.6 MI. S. JCT. I85 BUS., Guilford, NC

Built 2009 ADT: 14,000

I74W,US311N

Unknown

Over: I74, US311

0.8 MI. W. JCT. I85, Guilford, NC

Built 2008 ADT: 12,500

I74W,US311N

Unknown

Over: I74, US311

0.7 MI. N. JCT. NC62, Guilford, NC

Built 2008 ADT: 8,250

I74W,US311N

Unknown

Over: I74, US311

0.7 MI. N. JCT. NC62, Guilford, NC

Built 2010 ADT: 9,750

I74W,US311N

Unknown

Over: I74, US311

0.7 MI. N. JCT. NC62, Guilford, NC

Built 2010 ADT: 9,750

I74E,US311S

Unknown

Over: I74, US311

0.7 MI. N. JCT. NC62, Guilford, NC

Built 2008 ADT: 14,000

I74E,US311S

Unknown

Over: I74, US311

0.4 MI. S. JCT. I85, Guilford, NC

Built 2010 ADT: 17,125

I85N

Unknown

Over: I85

0.8 MI. S. JCT. SR1154, Guilford, NC

Built 2010 ADT: 34,250

SR4762

Unknown

Over: SR4762

0.2 MI. S. JCT. US70, Guilford, NC

Built 2002 ADT: 300

Showing 1,201-1,250 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.